diff --git a/index.html b/index.html
index e345a6d..739ca76 100644
--- a/index.html
+++ b/index.html
@@ -47,7 +47,7 @@
     </svg>
     <div id='info'>
         <div id="settings">
-            <details>
+            <details id = 'settings-details'>
                 <summary>settings</summary>
                 <div style="line-height: 150%;" class="details-div">
                     <label for="difficulty-select" title="effects: number of mobs, damage done by mobs, damage done to mobs, mob speed, heal effects">combat difficulty:</label>
@@ -75,7 +75,7 @@
                     <br>
                     <br>
                     <input type="checkbox" id="community-maps" name="community-maps" style="width:17px; height:17px;">
-                    <label for="community-maps" title="add about 12 player made levels the random n-gon level pool">community maps</label>
+                    <label for="community-maps" title="add about 18 player made levels to the random n-gon level pool">community maps</label>
                     <!-- style="font-size: 1.5em; color: #058;" -->
 
                     <!-- <br>
@@ -222,7 +222,7 @@
         <div>
             <details id="updates">
                 <summary>updates</summary>
-                <div id="updates-div" class="details-div" style="font-size: 65%;height: 400px;overflow: scroll;max-width: 450px;"></div>
+                <div id="updates-div" class="details-div" style="font-size: 70%;height: 400px;overflow: scroll;max-width: 800px;"></div>
             </details>
         </div>
         <div>
diff --git a/js/bullet.js b/js/bullet.js
index 67bcf5b..3005dab 100644
--- a/js/bullet.js
+++ b/js/bullet.js
@@ -4028,7 +4028,7 @@ const b = {
         bullet[me] = Bodies.polygon(where.x, where.y, 12, radius, b.fireAttributes(dir, false));
         Composite.add(engine.world, bullet[me]); //add bullet to world
         Matter.Body.setVelocity(bullet[me], velocity);
-        bullet[me].calcDensity = () => 0.0007 + 0.00055 * tech.isSuperHarm + 0.0004 * tech.isBulletTeleport
+        bullet[me].calcDensity = function () { 0.0007 + 0.00055 * tech.isSuperHarm + 0.0004 * tech.isBulletTeleport }
         Matter.Body.setDensity(bullet[me], bullet[me].calcDensity());
         bullet[me].endCycle = simulation.cycle + Math.floor(270 + 90 * Math.random());
         bullet[me].minDmgSpeed = 0;
diff --git a/js/index.js b/js/index.js
index 41a1fe1..4b354f1 100644
--- a/js/index.js
+++ b/js/index.js
@@ -1752,18 +1752,19 @@ document.getElementById("updates").addEventListener("toggle", function () {
         xhr.open("GET", path, true);
         xhr.send();
     }
-    let text = `<strong>n-gon</strong>: <a href="https://github.com/landgreen/n-gon/blob/master/todo.txt">todo list</a> and complete <a href="https://github.com/landgreen/n-gon/commits/master">change-log</a><hr>`
+    let text = `<pre><strong>n-gon</strong>: <a href="https://github.com/landgreen/n-gon/blob/master/todo.txt">todo list</a> and complete <a href="https://github.com/landgreen/n-gon/commits/master">change-log</a><hr>`
     document.getElementById("updates-div").innerHTML = text
 
     ///  https://api.github.com/repos/landgreen/n-gon/stats/commit_activity
     loadJSON('https://api.github.com/repos/landgreen/n-gon/commits',
         function (data) {
-            // console.log(data)
+            // console.log(data[0].sha) //unique code for most recent commit
             for (let i = 0, len = 20; i < len; i++) {
                 text += "<strong>" + data[i].commit.author.date.substr(0, 10) + "</strong> - "; //+ "<br>"
                 text += data[i].commit.message
                 if (i < len - 1) text += "<hr>"
             }
+            text += "</pre>"
             document.getElementById("updates-div").innerHTML = text.replace(/\n/g, "<br />")
         },
         function (xhr) {
diff --git a/js/level.js b/js/level.js
index 9bd03a6..1dbae0a 100644
--- a/js/level.js
+++ b/js/level.js
@@ -12,7 +12,7 @@ const level = {
     //see level.populateLevels:   (initial, ... , reservoir or factory, reactor, ... , subway, final)    added later
     playableLevels: ["labs", "rooftops", "skyscrapers", "warehouse", "highrise", "office", "aerie", "satellite", "sewers", "testChamber", "pavilion", "lock"],
     communityLevels: ["gauntlet", "stronghold", "basement", "crossfire", "vats", "run", "ngon", "house", "perplex", "coliseum", "tunnel", "islands", "temple", "dripp", "biohazard", "stereoMadness", "yingYang", "staircase", "fortress", "commandeer", "clock", "buttonbutton", "downpour", "superNgonBros", "underpass", "cantilever", "tlinat", "ruins", "ace", "crimsonTowers", "LaunchSite", "shipwreck", "unchartedCave", "dojo"],
-    trainingLevels: ["walk", "crouch", "jump", "hold", "throw", "throwAt", "deflect", "heal", "fire", "nailGun", "shotGun", "superBall", "matterWave", "missile", "stack", "mine", "grenades", "harpoon", "diamagnetism"],
+    trainingLevels: ["walk", "crouch", "jump", "hold", "throw", "throwAt", "deflect", "heal", "fire", "nailGun", "shotGun", "superBall", "matterWave", "missile", "stack", "mine", "grenades", "harpoon"],
     levels: [],
     start() {
         if (level.levelsCleared === 0) { //this code only runs on the first level
@@ -63,7 +63,6 @@ const level = {
             // tech.tech[322].frequency = 100
             // spawn.tetherBoss(1900, -500, { x: 1900, y: -500 })
             // for (let i = 0; i < 40; ++i) tech.giveTech()
-
             level[simulation.isTraining ? "walk" : "initial"]() //normal starting level **************************************************
 
             // spawn.bodyRect(2425, -120, 200, 200);
@@ -76,6 +75,7 @@ const level = {
             // for (let i = 0; i < 20; ++i) powerUps.directSpawn(m.pos.x + 50 * Math.random(), m.pos.y + 50 * Math.random(), "ammo");
             // for (let i = 0; i < 2; i++) powerUps.spawn(player.position.x + Math.random() * 50, player.position.y - Math.random() * 50, "field", false);
             //lore testing
+            // localSettings.isTrainingNotAttempted = true
             // simulation.isCheating = false //true;
             // for (let i = 0; i < 5; i++) tech.giveTech("undefined")
             // lore.techCount = 2
@@ -252,8 +252,9 @@ const level = {
         if (!level.disableExit) {
             level.levelsCleared++;
             level.onLevel++; //cycles map to next level
+
             if (simulation.isTraining) {
-                if (level.onLevel > level.levels.length - 1) {
+                if (level.onLevel > level.levels.length - 1) { //if all training levels are completed
                     level.disableExit = true
                     document.getElementById("health").style.display = "none"
                     document.getElementById("health-bg").style.display = "none"
@@ -286,16 +287,12 @@ const level = {
             tech.isDeathAvoidedThisLevel = false;
             simulation.updateTechHUD();
             simulation.clearNow = true; //triggers in simulation.clearMap to remove all physics bodies and setup for new map
-
-
             //pop up new level info screen for a few seconds
             if (!simulation.isChoosing && m.alive && (level.levels[level.onLevel] === "final" || level.levels[level.onLevel] === "reactor")) { //level.levels[level.onLevel] === "subway" ||
                 //pause
                 if (!simulation.paused) {
                     simulation.paused = true;
                     simulation.isChoosing = true; //stops p from un pausing on key down
-                    // build.pauseGrid()
-                    // document.body.style.cursor = "auto";
                 }
                 //build level info
                 document.getElementById("choose-grid").style.gridTemplateColumns = "250px"
@@ -370,68 +367,20 @@ const level = {
                 }
                 requestAnimationFrame(newLevelDraw);
 
-
-                // // clear
-                // requestAnimationFrame(() => {
-                //     simulation.wipe();
-                // });
-
-                // //wireframe
-                // setTimeout(() => {
-                //     requestAnimationFrame(() => {
-                //         simulation.wipe();
-                //         simulation.camera();
-                //         simulation.draw.wireFrame();
-                //         ctx.restore();
-                //     });
-                // }, 500);
-
-                // //almost normal draw
-                // setTimeout(() => {
-                //     requestAnimationFrame(() => {
-                //         simulation.wipe();
-                //         simulation.camera();
-                //         // ctx.fillStyle = "rgba(0,0,0,0.66)"
-                //         // ctx.fill(simulation.draw.mapPath);
-                //         simulation.draw.drawMapPath();
-                //         ctx.restore();
-                //     });
-                // }, 1000);
-
-                // //normal draw
-                // setTimeout(() => {
-                //     requestAnimationFrame(() => {
-                //         simulation.wipe();
-                //         simulation.camera();
-                //         // level.custom();
-                //         simulation.draw.cons();
-                //         simulation.draw.body();
-                //         // m.draw();
-                //         // m.hold();
-                //         level.customTopLayer();
-                //         simulation.draw.drawMapPath();
-                //         ctx.restore();
-                //     });
-                // }, 1500);
-
-                // //unpause
-                // setTimeout(() => {
-                //     document.body.style.cursor = "none";
-                //     if (m.immuneCycle < m.cycle + 15) m.immuneCycle = m.cycle + 15; //player is immune to damage for 30 cycles
-                //     if (simulation.paused) requestAnimationFrame(cycle);
-                //     if (m.alive) simulation.paused = false;
-                //     simulation.isChoosing = false; //stops p from un pausing on key down
-                //     build.unPauseGrid()
-
-                //     document.getElementById("choose-grid").style.opacity = "0"
-                //     // document.getElementById("choose-grid").style.visibility = "hidden"
-                //     setTimeout(() => {
-                //         document.getElementById("choose-grid").style.visibility = "hidden"
-                //     }, 1000);
-                // }, 2000);
             }
         }
     },
+    unPause() {
+        if (m.immuneCycle < m.cycle + 15) m.immuneCycle = m.cycle + 30; //player is immune to damage for 30 cycles
+        if (simulation.paused) requestAnimationFrame(cycle);
+        if (m.alive) simulation.paused = false;
+        simulation.isChoosing = false; //stops p from un pausing on key down
+        build.unPauseGrid()
+        document.getElementById("choose-grid").style.opacity = "0"
+        setTimeout(() => {
+            document.getElementById("choose-grid").style.visibility = "hidden"
+        }, 1000);
+    },
     populateLevels() { //run a second time if URL is loaded
         if (document.getElementById("banned").value) { //remove levels from ban list in settings
             const banList = document.getElementById("banned").value.replace(/,/g, ' ').replace(/\s\s+/g, ' ').replace(/[^\w\s]/g, '') //replace commas with spaces, replace double spaces with single, remove strange symbols
@@ -468,6 +417,7 @@ const level = {
         if (simulation.isTraining) {
             simulation.isHorizontalFlipped = false
             level.levels = level.trainingLevels.slice(0) //copy array, not by just by assignment
+            if (simulation.isCommunityMaps) level.trainingLevels.push("diamagnetism")
         } else { //add remove and shuffle levels for the normal game (not training levels)
             level.levels = level.playableLevels.slice(0) //copy array, not by just by assignment
             if (simulation.isCommunityMaps) {
@@ -608,7 +558,73 @@ const level = {
 
                 if (level.exitCount > 100) {
                     level.exitCount = 0
-                    level.nextLevel()
+
+                    //prompt an option to do the training levels or continue to the normal game
+                    if (!simulation.isChoosing && m.alive && !simulation.isTraining && !simulation.isCheating && b.inventory.length === 0 && level.levelsCleared === 0 && localSettings.isTrainingNotAttempted) {
+                        //pause
+                        if (!simulation.paused) {
+                            simulation.paused = true;
+                            simulation.isChoosing = true; //stops p from un pausing on key down
+
+                            document.body.style.cursor = "auto";
+                            document.getElementById("choose-grid").style.pointerEvents = "auto";
+                            document.getElementById("choose-grid").style.transitionDuration = "0s";
+                        }
+                        //build level info
+                        document.getElementById("choose-grid").classList.add('choose-grid-no-images');
+                        document.getElementById("choose-grid").classList.remove('choose-grid');
+                        document.getElementById("choose-grid").style.gridTemplateColumns = "350px"
+                        let text = `
+                            <div class="choose-grid-module" id = "choose-training" style = "font-size: 1em; padding:10px;color:#333;">
+                                <h2 style="text-align: center;letter-spacing: 5px;">training</h2>
+                                Begin the <strong>guided tutorial</strong> that shows you how to use your <strong class='color-f'>field</strong> and <strong class='color-g'>gun</strong>.
+                            </div>
+                            <div class="choose-grid-module" id = "choose-unPause" style = "font-size: 1em; padding:10px;color:#333;">
+                                <h2 style="text-align: center; letter-spacing: 7px;">play</h2>
+                                Begin the <strong>standard game</strong> where you progress through <strong>13</strong> random levels and beat the final boss.
+                            </div>`
+                        //use you use your <strong class='color-g'>gun</strong>, <strong class='color-f'>field</strong>, and <strong class='color-m'>tech</strong>
+                        document.getElementById("choose-grid").innerHTML = text
+                        //show level info
+                        document.getElementById("choose-grid").style.opacity = "1"
+                        document.getElementById("choose-grid").style.transitionDuration = "0.25s"; //how long is the fade in on
+                        document.getElementById("choose-grid").style.visibility = "visible"
+                        document.getElementById("choose-training").addEventListener("click", () => {
+                            level.unPause()
+                            simulation.isTraining = true
+                            level.levelsCleared--;
+                            level.onLevel--
+                            simulation.isHorizontalFlipped = false
+                            level.levels = level.trainingLevels.slice(0) //copy array, not by just by assignment
+                            level.nextLevel()
+                            //reset hide image style
+                            if (localSettings.isHideImages) {
+                                document.getElementById("choose-grid").classList.add('choose-grid-no-images');
+                                document.getElementById("choose-grid").classList.remove('choose-grid');
+                            } else {
+                                document.getElementById("choose-grid").classList.add('choose-grid');
+                                document.getElementById("choose-grid").classList.remove('choose-grid-no-images');
+                            }
+                        });
+                        document.getElementById("choose-unPause").addEventListener("click", () => {
+                            level.unPause()
+                            level.nextLevel()
+                            //reset hide image style
+                            if (localSettings.isHideImages) {
+                                document.getElementById("choose-grid").classList.add('choose-grid-no-images');
+                                document.getElementById("choose-grid").classList.remove('choose-grid');
+                            } else {
+                                document.getElementById("choose-grid").classList.add('choose-grid');
+                                document.getElementById("choose-grid").classList.remove('choose-grid-no-images');
+                            }
+                        });
+                        requestAnimationFrame(() => {
+                            ctx.fillStyle = `rgba(150,150,150,0.9)`; //`rgba(221,221,221,0.6)`;
+                            ctx.fillRect(0, 0, canvas.width, canvas.height);
+                        });
+                    } else { //advance to next level
+                        level.nextLevel()
+                    }
                 }
             }
         },
diff --git a/js/player.js b/js/player.js
index 1bafbbb..462f64a 100644
--- a/js/player.js
+++ b/js/player.js
@@ -477,6 +477,8 @@ const m = {
                 Composite.clear(engine.world);
                 Engine.clear(engine);
                 simulation.splashReturn();
+                //if you die after clearing fewer than 4 levels the difficulty settings automatically opens
+                if (level.levelsCleared < 4 && !simulation.isTraining && !simulation.isCheating) document.getElementById("settings-details").open = true;
             }, 5000);
         }
     },
@@ -5042,7 +5044,7 @@ const m = {
     {
         name: "grappling hook",
         // description: `use <strong class='color-f'>energy</strong> to pull yourself towards the <strong>map</strong><br>generate <strong>6</strong> <strong class='color-f'>energy</strong> per second`,
-        description: `use <strong class='color-f'>energy</strong> to fire a hook that <strong>pulls</strong> player<br><strong class='color-d'>damages</strong> mobs and destroys <strong class='color-block'>blocks</strong><br>generate <strong>6</strong> <strong class='color-f'>energy</strong> per second`,
+        description: `use <strong class='color-f'>energy</strong> to fire a hook that <strong>pulls</strong> player<br><strong class='color-d'>damages</strong> mobs and grabs <strong class='color-block'>blocks</strong><br>generate <strong>6</strong> <strong class='color-f'>energy</strong> per second`,
         effect: () => {
             m.fieldFire = true;
             // m.holdingMassScale = 0.01; //can hold heavier blocks with lower cost to jumping
diff --git a/js/powerup.js b/js/powerup.js
index 0e23a4e..cb5c4e2 100644
--- a/js/powerup.js
+++ b/js/powerup.js
@@ -683,6 +683,8 @@ const powerUps = {
             return `<div></div>`
         } else if (tech.isCancelTech) {
             return `<div class='cancel-card' onclick='powerUps.endDraft("${type}",true)' style="width: 115px;">randomize</div>`
+        } else if (level.levelsCleared === 0 && localSettings.isTrainingNotAttempted) { //don't show cancel if on initial level and haven't done tutorial
+            return `<div class='cancel-card'  style="visibility: hidden;"></div>`
         } else {
             return `<div class='cancel-card' onclick='powerUps.endDraft("${type}",true)' style="width: 85px;">cancel</div>`
         }
@@ -739,10 +741,11 @@ const powerUps = {
             text += `<span class='cancel-card' style="width: 95px;float: right;background-color: #aaa;color:#888;">cancel</span>`
         } else if (tech.isCancelTech) {
             text += `<span class='cancel-card' onclick='powerUps.endDraft("${type}",true)' style="width: 115px;float: right;font-size:0.9em;padding-top:5px">randomize</span>`
+        } else if (level.levelsCleared === 0 && localSettings.isTrainingNotAttempted) {
+            text += `<span class='cancel-card' style="visibility: hidden;">cancel</span>` //don't show cancel if on initial level and haven't done tutorial
         } else {
             text += `<span class='cancel-card' onclick='powerUps.endDraft("${type}",true)' style="width: 95px;float: right;">cancel</span>`
         }
-
         return text + "</div>"
     },
     buildColumns(totalChoices, type) {
diff --git a/js/tech.js b/js/tech.js
index 347b876..693f402 100644
--- a/js/tech.js
+++ b/js/tech.js
@@ -250,7 +250,7 @@ const tech = {
         if (tech.isBotDamage) dmg *= 1 + 0.06 * b.totalBots()
         if (tech.restDamage > 1 && player.speed < 1) dmg *= tech.restDamage
         if (tech.isLowEnergyDamage) dmg *= 1 + 0.7 * Math.max(0, 1 - m.energy)
-        if (tech.energyDamage) dmg *= 1 + m.energy * 0.26 * tech.energyDamage;
+        if (tech.energyDamage) dmg *= 1 + m.energy * 0.23 * tech.energyDamage;
         if (tech.isDamageFromBulletCount) dmg *= 1 + bullet.length * 0.007
         if (tech.isNoFireDamage && m.cycle > m.fireCDcycle + 120) dmg *= 2.11
         if (tech.isSpeedDamage) dmg *= 1 + Math.min(0.88, player.speed * 0.0193)
@@ -2517,7 +2517,7 @@ const tech = {
     },
     {
         name: "MACHO",
-        description: "a massive but compact object slowly follows you<br>if you are inside the <strong>MACHO</strong> <strong>+60%</strong> <strong class='color-defense'>defense</strong>",
+        description: "a massive compact halo object follows you<br><strong>+60%</strong> <strong class='color-defense'>defense</strong> while you are inside the <strong>MACHO</strong>",
         maxCount: 1,
         count: 0,
         frequency: 1,
@@ -7675,7 +7675,7 @@ const tech = {
     {
         name: "electronegativity",
         descriptionFunction() {
-            return `<strong>+0.26%</strong> <strong class='color-d'>damage</strong> per current stored <strong class='color-f'>energy</strong><br><em>(+${(27 * m.maxEnergy).toFixed(0)}% damage at max energy)</em>`
+            return `<strong>+0.23%</strong> <strong class='color-d'>damage</strong> per current stored <strong class='color-f'>energy</strong><br><em>(+${(27 * m.maxEnergy).toFixed(0)}% damage at max energy)</em>`
         },
         // description: "<strong>+1%</strong> <strong class='color-d'>damage</strong> per <strong>8</strong> stored <strong class='color-f'>energy</strong>",
         isFieldTech: true,
diff --git a/todo.txt b/todo.txt
index 0deb9e0..4dbf500 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,10 +1,31 @@
 ******************************************************** NEXT PATCH **************************************************
 
+electronegativity: +26->23% damage
 
+gun cancel button doesn't show up on the initial level if you haven't done the training yet and you didn't choose a gun
+after exiting initial level players are prompted to start the training levels
+  only if they haven't done the training and they didn't pick up a gun, and a few other conditions
+community training levels only are added when community maps setting is on and player clicks on training
 
+if you die after clearing fewer than 4 levels the difficulty settings automatically opens
+improved text formatting on updates
 
 *********************************************************** TODO *****************************************************
 
+improve new player experience
+  training is too long to be a tutorial
+    before nail gun level offer player option to continue or switch to normal game
+
+Cosmological natural selection:  do something with black holes
+  spawn black hole mobs
+    after bosses die?
+    after any mob dies
+    at the start of new levels
+    make new black hole bullet mobs
+
+write code the checks version and compares it to the version from patch notes
+  and link to main page if they don't match
+  (this is because there are several outdated versions hosted on sites with ads)
 
 foam tech: increase size of foam and increase duration, but drop speed down, so they come to a stop and just hang
   allow them to harm player?
@@ -17,10 +38,6 @@ Foam slow down mobs twice as much and slowly pulls them towards the ground
   https://en.m.wikipedia.org/wiki/Tungsten_hexafluoride
 
 
-make a flutter variant
-  just move the wings to the back?
-  slow flap, and acceleration that increases when the flap occurs, like swimming
-
 make grappling hook of different shapes
   shapes
     longer
@@ -32,12 +49,6 @@ make grappling hook of different shapes
 
 player got stuck inside block that wasn't pick up able
 
-grappling hook field
-  check for places that the player could get into but not out of
-  field tech ideas
-    Buoyancy - aerostat, but for defense: +70% defense while off the ground
-      too similar to degenerate matter
-
 tech - killing a mob heals for the last damage you took
   disable cloaking heal?  maybe you don't need to disable, just don't heal twice
   heal for 50%?
@@ -1025,6 +1036,7 @@ look up sci-fi science ideas here  https://projectrho.com/public_html/rocket/
 possible names for tech
   sidereal - with respect to the stars  (an extra rotation for time keeping)
   holonomy -  parallel transport of a vector leads to movement (applies to curved space)
+  holographic - 2-D surface can predict the 3-D space behind it?  I think
   hypergolic - A hypergolic propellant combination used in a rocket engine is one whose components spontaneously ignite when they come into contact with each other.
   swarm intelligence - for a drone tech
   genetic algorithm
@@ -1073,6 +1085,7 @@ possible names for tech
   Unruh effect - accelerating makes heat/thermal particles
   configuration space - holds the position of everything
 
+
 ******************************************************** CARS IMAGES ********************************************************
 
 process:  discord midjourney prompts -> "pixelmator pro" adjust color, repair, scale to 384x256, export PNG -> webP? -> place in /img folder