diff --git a/js/level.js b/js/level.js
index 7af29ae..d9ca9be 100644
--- a/js/level.js
+++ b/js/level.js
@@ -24,7 +24,7 @@ const level = {
 
       // game.levelsCleared = 3; //for testing to simulate possible mobs spawns
       // b.giveGuns(0) // set a starting gun for testing
-      // mech.fieldUpgrades[4]() //give a field power up for testing
+      // mech.fieldUpgrades[6]() //give a field power up for testing
     } else {
       spawn.setSpawnList(); //picks a couple mobs types for a themed random mob spawns
       this[this.levels[this.onLevel]](); //picks the current map from the the levels array
diff --git a/js/player.js b/js/player.js
index 86ebfae..e8ea731 100644
--- a/js/player.js
+++ b/js/player.js
@@ -852,7 +852,7 @@ const mech = {
       game.makeTextLog("<strong style='font-size:30px;'>Inertia Negation Field</strong><br> (right mouse or space bar)<p> field slows objects in range<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
       // <br> field does <span style='color:#a00;'>not</span> shield player
       mech.setHoldDefaults();
-      mech.fieldShieldingScale = 7;
+      mech.fieldShieldingScale = 12;
       // mech.fieldArc = 1; //field covers full 360 degrees
       // mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
 
@@ -973,7 +973,7 @@ const mech = {
       game.makeTextLog("<strong style='font-size:30px;'>Negative Mass Field</strong><br> (right mouse or space bar)<p> field nullifies gravity<br> player can hold more massive objects<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
       mech.setHoldDefaults();
       mech.holdingMassScale = 0.05; //can hold heavier blocks with lower cost to jumping
-      mech.fieldShieldingScale = 10;
+      mech.fieldShieldingScale = 20;
       // mech.fieldArc = 1; //field covers full 360 degrees
       // mech.grabRange = 150;
       // mech.fieldArc = 1 //0.08;
@@ -1056,17 +1056,17 @@ const mech = {
     },
     () => {
       mech.fieldMode = 4;
-      game.makeTextLog("<strong style='font-size:30px;'>Zero-Point Energy Field</strong><br> (right mouse or space bar) <p>improved energy regeneration<br> oscillating shields surround player</p>", 1200);
+      game.makeTextLog("<strong style='font-size:30px;'>Standing Wave Harmonics</strong><br> (right mouse or space bar) <p>oscillating shields surround player<br>improved energy regeneration<br>improved field shielding efficiency</p>", 1200);
       mech.setHoldDefaults();
-      mech.fieldShieldingScale = 0.7;
+      mech.fieldShieldingScale = 0.3;
       mech.fieldRegen = 0.007; //0.0015
-      mech.fieldArc = 1; //field covers full 360 degrees
+      // mech.fieldArc = 1; //field covers full 360 degrees
       mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
 
       mech.hold = function () {
-        grabRange1 = 60 + 60 * Math.sin(game.cycle / 23)
-        grabRange2 = 70 + 70 * Math.sin(game.cycle / 37)
-        grabRange3 = 80 + 80 * Math.sin(game.cycle / 47)
+        grabRange1 = 100 + 95 * Math.sin(game.cycle / 23)
+        grabRange2 = 105 + 85 * Math.sin(game.cycle / 37)
+        grabRange3 = 90 + 90 * Math.sin(game.cycle / 47)
         mech.grabRange = Math.max(grabRange1, grabRange2, grabRange3)
 
         if (mech.isHolding) {
@@ -1077,27 +1077,16 @@ const mech = {
 
           ctx.fillStyle = "rgba(110,170,200," + (0.15 + 0.15 * Math.random()) + ")";
           ctx.beginPath();
-          ctx.arc(mech.pos.x, mech.pos.y, grabRange1, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
+          ctx.arc(mech.pos.x, mech.pos.y, grabRange1, 0, 2 * Math.PI);
           ctx.fill();
           ctx.beginPath();
-          ctx.arc(mech.pos.x, mech.pos.y, grabRange2, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
+          ctx.arc(mech.pos.x, mech.pos.y, grabRange2, 0, 2 * Math.PI);
           ctx.fill();
           ctx.beginPath();
-          ctx.arc(mech.pos.x, mech.pos.y, grabRange3, mech.angle - Math.PI * mech.fieldArc, mech.angle + Math.PI * mech.fieldArc, false);
+          ctx.arc(mech.pos.x, mech.pos.y, grabRange3, 0, 2 * Math.PI);
           ctx.fill();
-
-          // //draw random lines in field for cool effect
-          // let offAngle = this.angle + 2 * Math.PI * this.fieldArc * (Math.random() - 0.5);
-          // ctx.beginPath();
-          // eye = 15;
-          // ctx.moveTo(mech.pos.x + eye * Math.cos(this.angle), mech.pos.y + eye * Math.sin(this.angle));
-          // ctx.lineTo(this.pos.x + range * Math.cos(offAngle), this.pos.y + range * Math.sin(offAngle));
-          // ctx.strokeStyle = "rgba(120,170,255,0.4)";
-          // ctx.stroke();
-
-
           mech.grabPowerUp();
-          mech.pushMobs360(mech.grabRange + 10);
+          mech.pushMobs360(mech.grabRange + 25);
           mech.lookForPickUp();
         } else if (mech.holdingTarget && mech.fireCDcycle < game.cycle) { //holding, but field button is released
           mech.pickUp();
@@ -1109,15 +1098,15 @@ const mech = {
     },
     () => {
       mech.fieldMode = 5;
-      game.makeTextLog("<strong style='font-size:30px;'>Nano-Scale Manufacturing</strong><br> (passive effect) <p>excess field energy builds drones<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
+      game.makeTextLog("<strong style='font-size:30px;'>Nano-Scale Manufacturing</strong><br> (passive effect) <p>excess field energy used to build drones<br> <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
       mech.setHoldDefaults();
-      mech.fieldShieldingScale = 10;
+      mech.fieldShieldingScale = 15;
       mech.grabRange = 155;
       mech.fieldArc = 0.1; //0.2 is normal
       mech.calculateFieldThreshold(); //run after setting fieldArc, used for powerUp grab and mobPush with lookingAt(mob)
       mech.hold = function () {
         if (mech.fieldMeter === 1) {
-          mech.fieldMeter -= 0.21;
+          mech.fieldMeter -= 0.2;
           b.guns[12].fire() //spawn drone
         }
         if (mech.isHolding) {
@@ -1141,8 +1130,8 @@ const mech = {
       mech.fieldMode = 6;
       game.makeTextLog("<strong style='font-size:30px;'>Metamaterial Refractive Optics</strong><br> (right mouse or space bar) <p>localized invisibility field<br> greatly <span style='color:#a00;'>decreased</span> field shielding efficiency</p>", 1200);
       mech.setHoldDefaults();
-      mech.fieldShieldingScale = 10000;
-      mech.grabRange = 160;
+      mech.fieldShieldingScale = 100;
+      // mech.grabRange = 160;
 
       mech.hold = function () {
         mech.isStealth = false //isStealth is checked in mob foundPlayer()
@@ -1152,13 +1141,17 @@ const mech = {
           mech.holding();
           mech.throw();
         } else if ((keys[32] || game.mouseDownRight) && mech.fieldCDcycle < game.cycle) {
-          const DRAIN = 0.0004 //mech.fieldRegen = 0.0015
+          const DRAIN = 0.0003 //mech.fieldRegen = 0.0015
           if (mech.fieldMeter > DRAIN) {
             mech.fieldMeter -= DRAIN;
             mech.isStealth = true //isStealth is checked in mob foundPlayer() 
 
-            //draw stealth field
-            // ctx.fill();
+            if (mech.crouch) {
+              mech.grabRange = mech.grabRange * 0.96 + 100 * 0.04;
+            } else {
+              mech.grabRange = mech.grabRange * 0.96 + 220 * 0.04;
+            }
+
             ctx.beginPath();
             ctx.arc(mech.pos.x, mech.pos.y, mech.grabRange, 0, 2 * Math.PI);
             ctx.globalCompositeOperation = "destination-in"; //in or atop
@@ -1168,7 +1161,7 @@ const mech = {
             ctx.fillStyle = `rgba(0,30,50,${0.5+0.07*Math.random()})` //"rgba(210,230," + HUE + ",0.5)";
             ctx.fill();
 
-            mech.pushMobs360();
+            mech.pushMobs360(130);
             mech.grabPowerUp();
             mech.lookForPickUp();
           } else {