diff --git a/js/format-c2g.js b/js/format-c2g.js
index 53ddcab..c1376f3 100644
--- a/js/format-c2g.js
+++ b/js/format-c2g.js
@@ -803,6 +803,11 @@ const TILE_ENCODING = {
         name: 'cracked_ice',
         is_extension: true,
     },
+    0xd4: {
+        name: 'score_5x',
+        has_next: true,
+        is_extension: true,
+    },
     0xe0: {
         name: 'gift_bow',
         has_next: true,
diff --git a/js/main-editor.js b/js/main-editor.js
index 89ed368..bbb9d08 100644
--- a/js/main-editor.js
+++ b/js/main-editor.js
@@ -1608,6 +1608,7 @@ const EDITOR_PALETTE = [{
         'hole',
         'cracked_floor',
         'cracked_ice',
+        'score_5x'
     ],
 }];
 
@@ -2222,6 +2223,10 @@ const EDITOR_TILE_DESCRIPTIONS = {
         name: "Cracked Ice",
         desc: "Turns into water when something steps off of it (except ghosts).",
     },
+    score_5x: {
+        name: "×5 bonus",
+        desc: "Quintuples the player's current bonus points.  Can be collected by doppelgangers, rovers, and bowling balls, but will not grant bonus points.",
+    },
 };
 
 const SPECIAL_PALETTE_ENTRIES = {
diff --git a/js/main.js b/js/main.js
index e35942d..16c7446 100644
--- a/js/main.js
+++ b/js/main.js
@@ -25,6 +25,33 @@ function format_replay_duration(t) {
     return `${t} tics (${util.format_duration(t / TICS_PER_SECOND)})`;
 }
 
+function simplify_number(number) {
+    if (number < 1e6)
+    {
+        return number.toString();
+    }
+    else if (number < 1e9)
+    {
+        return (number/1e6).toPrecision(4) + "M";
+    }
+    else if (number < 1e12)
+    {
+        return (number/1e9).toPrecision(4) + "B";
+    }
+    else if (number < 1e15)
+    {
+        return (number/1e12).toPrecision(4) + "T";
+    }
+    else if (number < 1e18)
+    {
+        return (number/1e15).toPrecision(4) + "Q";
+    }
+    else
+    {
+        return number.toPrecision(2).replace("+","")
+    }
+}
+
 // TODO:
 // - level password, if any
 const ACTION_LABELS = {
@@ -1568,7 +1595,7 @@ class Player extends PrimaryView {
             this.time_el.classList.toggle('--danger', this.level.time_remaining < 10 * TICS_PER_SECOND);
         }
 
-        this.bonus_el.textContent = this.level.bonus_points;
+        this.bonus_el.textContent = simplify_number(this.level.bonus_points);
         if (this.level.bonus_points > 0) {
             this.root.classList.add('--bonus-visible');
         }
diff --git a/js/tileset.js b/js/tileset.js
index 04037b5..3f3648a 100644
--- a/js/tileset.js
+++ b/js/tileset.js
@@ -1062,6 +1062,7 @@ export const LL_TILESET_LAYOUT = Object.assign({}, CC2_TILESET_LAYOUT, {
     },
     cracked_floor: [11, 43],
     cracked_ice: [7, 40],
+    score_5x: [10, 40],
 });
 
 export const TILESET_LAYOUTS = {
diff --git a/js/tiletypes.js b/js/tiletypes.js
index f7c54ea..fc23969 100644
--- a/js/tiletypes.js
+++ b/js/tiletypes.js
@@ -3151,6 +3151,19 @@ const TILE_TYPES = {
             }
         },
     },
+    score_5x: {
+        layer: LAYERS.item,
+        blocks_collision: COLLISION.block_cc1 | COLLISION.monster_solid,
+        on_arrive(me, level, other) {
+            if (other.type.is_real_player) {
+                level.adjust_bonus(0, 5);
+                level.sfx.play_once('get-bonus2', me.cell);
+            }
+            if (other.type.is_player || other.type.name === 'rover' || other.type.name === 'bowling_ball') {
+                level.remove_tile(me);
+            }
+        },
+    },
 
     hint: {
         layer: LAYERS.terrain,