diff --git a/Makefile b/Makefile
index a97237f..88e67c1 100755
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ build:
 
 stat: build
 	@filesize=`stat --printf="%s" muri.zip` && \
-	echo $$filesize "byte ->" $$((100*$$filesize/13000)) "%"
+	echo $$filesize "byte ->" $$((100*$$filesize/13312)) "%"
 
 clean:
 	rm -f src/muri.min.js muri.zip
diff --git a/src/assets/images/laser_sheet.png b/src/assets/images/laser_sheet.png
new file mode 100644
index 0000000..5204d4b
Binary files /dev/null and b/src/assets/images/laser_sheet.png differ
diff --git a/src/assets/images/lift_button.png b/src/assets/images/lift_button.png
index 43d73bc..f33284e 100644
Binary files a/src/assets/images/lift_button.png and b/src/assets/images/lift_button.png differ
diff --git a/src/assets/images/room_bridge.png b/src/assets/images/room_bridge.png
deleted file mode 100644
index 7dd816e..0000000
Binary files a/src/assets/images/room_bridge.png and /dev/null differ
diff --git a/src/assets/images/room_engine.png b/src/assets/images/room_engine.png
index a9fcefe..4ee2cd1 100644
Binary files a/src/assets/images/room_engine.png and b/src/assets/images/room_engine.png differ
diff --git a/src/assets/images/room_lift.png b/src/assets/images/room_lift.png
index 42a1c8c..1458908 100644
Binary files a/src/assets/images/room_lift.png and b/src/assets/images/room_lift.png differ
diff --git a/src/assets/images/room_stasis.png b/src/assets/images/room_stasis.png
index a03370f..72f24c3 100644
Binary files a/src/assets/images/room_stasis.png and b/src/assets/images/room_stasis.png differ
diff --git a/src/assets/styles.css b/src/assets/styles.css
index a54e593..8a8c907 100644
--- a/src/assets/styles.css
+++ b/src/assets/styles.css
@@ -49,3 +49,9 @@ canvas {
     font-family: monospace;
     text-transform: uppercase;
 }
+
+#tryagain {
+  position: relative;
+  top: -200px;
+  display: none;
+}
diff --git a/src/index.html b/src/index.html
index af8861c..c117e0d 100644
--- a/src/index.html
+++ b/src/index.html
@@ -1 +1 @@
-link rel="stylesheet" href="assets/styles.css"></link> <h1>murí</h1><p>a js13kgame by <a href="https://aaron-fischer.net/">Aaron Fischer</a> (2017)</p><div id="content"> <div> <canvas width="100" height="40" id="js13k-2017"></canvas> <div id="bubble"></div></div></div><p id="loading">loading game ...</p><script src="vendor/kontra.min.js"></script><script src="muri.min.js"></script>
+link rel="stylesheet" href="assets/styles.css"></link><h1>murí</h1><p>a js13kgame by <a href="https://aaron-fischer.net/">Aaron Fischer</a> (2017)</p><div id="content"><div><canvas width="100" height="40" id="js13k-2017"></canvas><div id="bubble"></div></div></div><p id="loading">loading game ...</p><a href="" id="tryagain" onclick="window.location.reload(true);">Try again</a><script src="vendor/kontra.min.js"></script><script src="muri.min.js"></script>
diff --git a/src/index_dev.html b/src/index_dev.html
index 41569ce..9ed9e3a 100644
--- a/src/index_dev.html
+++ b/src/index_dev.html
@@ -9,6 +9,7 @@
   </div>
 </div>
 <p id="loading">loading game ...</p>
+<a href="" id="tryagain" onclick="window.location.reload(true);">Try again</a>
 
 <script src="vendor/kontra.js"></script>
 <script src="muri.js"></script>
@@ -20,3 +21,4 @@
 <script src="room_hydro.js"></script>
 <script src="room_lift.js"></script>
 <script src="room_stasis.js"></script>
+<script src="room_end.js"></script>
diff --git a/src/muri.js b/src/muri.js
index 88c30d3..8cbee96 100644
--- a/src/muri.js
+++ b/src/muri.js
@@ -98,14 +98,23 @@ var muri = (function() {
             });
     };
 
+    muri.end = function(reason) {
+        muri.changeRoom('end');
+        muri.get('bubble')
+            .talk(reason, [20, 20])
+            .then(function() {
+                document.getElementById('tryagain').style.display = 'block';
+            });
+    };
+
     muri.setup = function() {
         kontra.assets.load(
             'room_stasis_dark.png',
             'room_stasis.png',
             'room_engine.png',
-            'room_bridge.png',
             'room_hydro.png',
             'door_sheet.png',
+            'laser_sheet.png',
             'stasis_lightSwitch.png',
             'room_lift.png',
             'lift_button.png'
diff --git a/src/room_bridge.js b/src/room_bridge.js
deleted file mode 100644
index 8c3df2e..0000000
--- a/src/room_bridge.js
+++ /dev/null
@@ -1,28 +0,0 @@
-(function() {
-    'use strict';
-
-    var bridge = {};
-
-    var background, door = null;
-    var roomState = {
-    };
-
-    bridge.init = function() {
-        background = muri.bg('bridge');
-        door = muri.door('bridge', [83, 4]);
-    };
-
-    bridge.onEnter = function() {
-        door.sprite.playAnimation('close');
-    };
-
-    bridge.update = function() {
-    };
-
-    bridge.render = function() {
-        background.render();
-    };
-
-    bridge.name = 'bridge';
-    muri.rooms.push(bridge);
-}());
diff --git a/src/room_end.js b/src/room_end.js
new file mode 100644
index 0000000..6aecb80
--- /dev/null
+++ b/src/room_end.js
@@ -0,0 +1,12 @@
+(function() {
+    'use strict';
+
+    var end = {};
+
+    end.init = function() {};
+    end.update = function() {};
+    end.render = function() {};
+
+    end.name = 'end';
+    muri.rooms.push(end);
+}());
diff --git a/src/room_engine.js b/src/room_engine.js
index 3ebca23..c4172df 100644
--- a/src/room_engine.js
+++ b/src/room_engine.js
@@ -3,10 +3,11 @@
 
     var engine = {};
     
-    var background, door = null;
+    var background, door, lasers = null;
     var roomState = {
         firstVisit: true,
-        engineBroken: true
+        engineBroken: true,
+        laserStates: [0, 0, 0]
     };
 
     var randomSounds = function() {
@@ -25,9 +26,50 @@
             });
     };
 
+    var laser = function(i) {
+        var laserAnimationSheet = kontra.spriteSheet({
+            image: kontra.assets.images.laser_sheet,
+            frameWidth: 5, frameHeight: 10,
+            animations: {
+                0: {frames: 0},
+                1: {frames: 1},
+                2: {frames: 2},
+            }
+        });
+        var laserSprite = kontra.sprite({
+            x: 36+i*20, y: 14,
+            animations: laserAnimationSheet.animations
+        });
+        return muri.get('entity')
+            .create('engine.laser'+i, laserSprite)
+            .addCallback(function() {
+                if (!roomState.engineBroken) return;
+                var state = roomState.laserStates[i] + 1;
+                if (state > 2) state = 0;
+                laserSprite.playAnimation(state);
+                roomState.laserStates[i] = state;
+
+                if (roomState.laserStates[0] == 2 &&
+                    roomState.laserStates[1] == 2 &&
+                    roomState.laserStates[2] == 2) {
+                    roomState.engineBroken = false;
+                    muri.get('bubble')
+                        .talk([
+                            'A huge beem light up and the whole ship vibrates.',
+                            'You\'ve made it, the engine is running again!'
+                        ]);
+                }
+            });
+    };
+
     engine.init = function() {
         background = muri.bg('engine');
         door = muri.door('engine', [8, 10]);
+        lasers = [
+            laser(0),
+            laser(1),
+            laser(2)
+        ];
     };
 
     engine.onEnter = function() {
diff --git a/src/room_lift.js b/src/room_lift.js
index e264ed1..d4bcbd5 100644
--- a/src/room_lift.js
+++ b/src/room_lift.js
@@ -36,6 +36,16 @@
                     return;
                 }
 
+                if (room === 'shot') {
+                    muri.end([
+                        'You stepped into a pressure shot ... ',
+                        'Which is broken on this ship.',
+                        'It takes no more than a second to drag you into space.',
+                        'You are lost ... ....',
+                        '... and die.']);
+                    return;
+                }
+
                 muri.get('entity').get('lift.button'+i).sprite.playAnimation('on');
                 var goMessage = muri.ra([
                     'Sure, ' + room,
@@ -68,7 +78,8 @@
             createButtonEntity(0, 'bridge'), // Bridge
             createButtonEntity(1, 'hydro'),  // Hydro Deck
             createButtonEntity(2, 'stasis'), // Stasis
-            createButtonEntity(3, 'engine')  // Engine room
+            createButtonEntity(3, 'shot'),   // Shot
+            createButtonEntity(4, 'engine')  // Engine room
         ];
         buttons[2].sprite.playAnimation('on');
     };