diff --git a/js/format-c2g.js b/js/format-c2g.js
index c22255a..2259636 100644
--- a/js/format-c2g.js
+++ b/js/format-c2g.js
@@ -834,6 +834,12 @@ const TILE_ENCODING = {
         modifier: modifier_wire,
         is_extension: true,
     },
+    0xda: {
+        name: 'glass_block',
+        has_next: true,
+        extra_args: [arg_direction],
+        is_extension: true,
+    },
     0xe0: {
         name: 'gift_bow',
         has_next: true,
diff --git a/js/game.js b/js/game.js
index d1cc9a3..ed7f544 100644
--- a/js/game.js
+++ b/js/game.js
@@ -2542,6 +2542,9 @@ export class Level extends LevelInterface {
                 this._set_tile_prop(tile, 'last_extra_cooldown_tic', null);
             }
             this._do_extra_cooldown(tile);
+            if (old_type.on_death) {
+                old_type.on_death(tile, this);
+            }
         }
     }
 
diff --git a/js/main-editor.js b/js/main-editor.js
index e1efaf5..f442b2b 100644
--- a/js/main-editor.js
+++ b/js/main-editor.js
@@ -1611,6 +1611,7 @@ const EDITOR_PALETTE = [{
         'item_lock',
         'score_5x',
         'boulder',
+        'glass_block',
         'logic_gate/diode',
     ],
 }];
@@ -2242,6 +2243,10 @@ const EDITOR_TILE_DESCRIPTIONS = {
         name: "Blue teleporter exit",
         desc: "A blue teleporter for all intents and purposes except it can only be exited, not entered.",
     },
+    glass_block: {
+        name: "Glass block",
+        desc: "Similar to a dirt block, but stores the first item it moves over, dropping it when destroyed and cloning it in a cloning machine. Has ice block/frame block collision. Turns into floor in water. Doesn't have dirt block immunities.",
+    },
 };
 
 const SPECIAL_PALETTE_ENTRIES = {
diff --git a/js/tileset.js b/js/tileset.js
index d2087fa..a152967 100644
--- a/js/tileset.js
+++ b/js/tileset.js
@@ -1080,6 +1080,10 @@ export const LL_TILESET_LAYOUT = Object.assign({}, CC2_TILESET_LAYOUT, {
         base: [0, 2],
         wired: [11, 41],
     },
+    glass_block: {
+        __special__: 'encased_item',
+        base: [14, 41],
+    }
 });
 
 export const TILESET_LAYOUTS = {
@@ -1591,6 +1595,16 @@ export class Tileset {
             this.draw_drawspec(drawspec.railroad_switch, name, tile, packet);
         }
     }
+    
+    _draw_encased_item(drawspec, name, tile, packet) {
+        //draw the encased item
+        if (tile !== null && tile.encased_item !== undefined && tile.encased_item !== null) {
+            this._draw_standard(this.layout[tile.encased_item], tile.encased_item, TILE_TYPES[tile.encased_item], packet);
+        }
+        //then draw the glass block
+        this._draw_standard(drawspec.base, name, tile, packet);
+    }
+    
 
     draw_drawspec(drawspec, name, tile, packet) {
         if (drawspec.__special__) {
@@ -1641,6 +1655,9 @@ export class Tileset {
             else if (drawspec.__special__ === 'railroad') {
                 this._draw_railroad(drawspec, name, tile, packet);
             }
+            else if (drawspec.__special__ === 'encased_item') {
+                this._draw_encased_item(drawspec, name, tile, packet);
+            }
             else {
                 console.error(`No such special ${drawspec.__special__} for ${name}`);
             }
diff --git a/js/tiletypes.js b/js/tiletypes.js
index ad4fbd2..a1f7950 100644
--- a/js/tiletypes.js
+++ b/js/tiletypes.js
@@ -763,6 +763,10 @@ const TILE_TYPES = {
                 level.transmute_tile(other, 'splash');
                 level.transmute_tile(me, 'floor');
             }
+            else if (other.type.name === 'glass_block') {
+                level.transmute_tile(other, 'splash');
+                level.transmute_tile(me, 'floor');
+            }
             else if (other.type.name === 'ice_block') {
                 level.transmute_tile(other, 'splash');
                 level.transmute_tile(me, 'ice');
@@ -1218,6 +1222,7 @@ const TILE_TYPES = {
             ice_block: true,
             frame_block: true,
             boulder: true,
+            glass_block: true,
         },
         on_clone(me, original) {
             me.arrows = new Set(original.arrows);
@@ -1277,26 +1282,55 @@ const TILE_TYPES = {
         can_reveal_walls: true,
         can_reverse_on_railroad: true,
         movement_speed: 4,
-        allows_push(me, direction) {
-            return me.arrows && me.arrows.has(direction);
+        try_pickup_item(me, level) {
+            if (me.encased_item === null) {
+                let item = me.cell.get_item();
+                if (item && !item.type.is_chip) {
+                    level.attempt_take(me, item);
+                    //then if we picked it up, encase it (so we have max one item at a time and so we can't 'use' the item)
+                    if (me.keyring !== undefined && me.keyring !== null && Object.keys(me.keyring).length > 0) {
+                        level._set_tile_prop(me, 'encased_item', Object.keys(me.keyring)[0]);
+                        level.take_all_keys_from_actor(me);
+                    }
+                    else if (me.toolbelt !== undefined && me.toolbelt !== null && me.toolbelt.length > 0)
+                    {
+                        level._set_tile_prop(me, 'encased_item', me.toolbelt[0]);
+                        level.take_all_tools_from_actor(me);
+                    }
+                }
+            }
+            /*if ((me.keyring === undefined || Object.keys(me.keyring).length == 0) && 
+            (me.toolbelt === undefined || me.toolbelt.length == 0)) {
+                let item = me.cell.get_item();
+                if (item) {
+                    level.attempt_take(me, item);
+                }
+            }*/
         },
-        pushes: {
-            dirt_block: true,
-            ice_block: true,
-            frame_block: true,
-            boulder: true,
+        on_ready(me, level) {
+            level._set_tile_prop(me, 'encased_item', null);
+            this.try_pickup_item(me, level);
         },
         on_clone(me, original) {
-            me.arrows = new Set(original.arrows);
-        },
-        on_rotate(me, level, turn) {
-            // We rotate when turned on railroads
-            let new_arrows = new Set;
-            for (let arrow of me.arrows) {
-                new_arrows.add(DIRECTIONS[arrow][turn]);
+            me.encased_item = original.encased_item;
+            /*if (original.keyring !== undefined) {
+                me.keyring = {};
+                Object.assign(me.keyring, original.keyring);
             }
-            level._set_tile_prop(me, 'arrows', new_arrows);
+            if (original.toolbelt !== undefined) {
+                me.toolbelt = original.toolbelt.map((x) => x);
+            }*/
         },
+        on_finishing_move(me, level) {
+            this.try_pickup_item(me, level);
+        },
+        on_death(me, level) {
+            //needs to be called by transmute_tile to ttl and by lit_dynamite before remove_tile
+            if (me.encased_item !== null) {
+                level._place_dropped_item(me.encased_item, me.cell, me);
+                level._set_tile_prop(me, 'encased_item', null);
+            }
+        }
     },
     green_floor: {
         layer: LAYERS.terrain,
@@ -2318,6 +2352,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         movement_speed: 4,
         decide_movement(me, level) {
@@ -2470,6 +2505,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         on_ready(me, level) {
             me.current_emulatee = 0;
@@ -2653,6 +2689,9 @@ const TILE_TYPES = {
                         }
                         else {
                             // Everything else is destroyed
+                            if (tile.type.on_death) {
+                                tile.type.on_death(tile, level);
+                            }
                             level.remove_tile(tile);
                             removed_anything = true;
                         }
@@ -2835,6 +2874,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         infinite_items: {
             key_green: true,
@@ -2858,6 +2898,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         infinite_items: {
             key_yellow: true,
@@ -2880,6 +2921,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         infinite_items: {
             key_green: true,
@@ -2906,6 +2948,7 @@ const TILE_TYPES = {
             frame_block: true,
             circuit_block: true,
             boulder: true,
+            glass_block: true,
         },
         infinite_items: {
             key_yellow: true,