diff --git a/js/tiletypes.js b/js/tiletypes.js
index a97138b..b9bc92f 100644
--- a/js/tiletypes.js
+++ b/js/tiletypes.js
@@ -473,6 +473,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'follow-left',
         movement_speed: 4,
     },
@@ -482,6 +483,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'follow-right',
         movement_speed: 4,
     },
@@ -491,6 +493,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'bounce',
         movement_speed: 4,
     },
@@ -500,6 +503,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'bounce-random',
         movement_speed: 4,
     },
@@ -509,6 +513,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'forward',
         movement_speed: 4,
     },
@@ -518,6 +523,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'random',
         movement_speed: 8,
     },
@@ -527,6 +533,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'pursue',
         movement_speed: 4,
         uses_teeth_hesitation: true,
@@ -537,6 +544,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'turn-right',
         movement_speed: 4,
         ignores: new Set(['fire']),
@@ -547,6 +555,7 @@ const TILE_TYPES = {
         is_object: true,
         is_monster: true,
         blocks_monsters: true,
+        blocks_blocks: true,
         movement_mode: 'turn-left',
         movement_speed: 4,
         ignores: new Set(['water']),