diff --git a/js/format-dat.js b/js/format-dat.js
index 8b61c30..d8070b4 100644
--- a/js/format-dat.js
+++ b/js/format-dat.js
@@ -56,9 +56,9 @@ const TILE_ENCODING = {
     0x30: 'thinwall_se',
     0x31: 'cloner',
     0x32: 'force_floor_all',
-    0x33: 'player_drowned',
-    0x34: 'player_burned',
-    //0x35: player_burned,  XXX is this burned off a tile or?
+    0x33: 'bogus_player_drowned',
+    0x34: 'bogus_player_burned_fire',
+    0x35: 'bogus_player_burned',
     0x36: 'wall_invisible',  // unused
     0x37: 'wall_invisible',  // unused
     0x38: 'wall_invisible',  // unused
@@ -159,9 +159,10 @@ function parse_level(buf, number) {
 
             let spec = TILE_ENCODING[tile_byte];
             // TODO could be more forgiving for goofy levels doing goofy things
-            if (! spec)
-                // TODO doesn't say what level or where in the file, come on
-                throw new Error(`Invalid tile byte: 0x${tile_byte.toString(16)}`);
+            if (! spec) {
+                let [x, y] = level.scalar_to_coords(c);
+                throw new Error(`Invalid tile byte 0x${tile_byte.toString(16)} at (${x}, ${y}) in level ${number}`);
+            }
 
             let name, direction;
             if (spec instanceof Array) {
diff --git a/js/tileset.js b/js/tileset.js
index dd84f79..0763b33 100644
--- a/js/tileset.js
+++ b/js/tileset.js
@@ -342,6 +342,18 @@ export const CC2_TILESET_LAYOUT = {
         south: [[4, 24], [5, 24]],
         west: [[6, 24], [7, 24]],
     },
+    bogus_player_drowned: {
+        overlay: [3, 3],  // splash
+        base: 'water',
+    },
+    bogus_player_burned_fire: {
+        overlay: [2, 5],  // explosion frame 3
+        base: 'fire',
+    },
+    bogus_player_burned: {
+        overlay: [2, 5],  // explosion frame 3
+        base: 'floor',
+    },
     water: [
         [12, 24],
         [13, 24],
@@ -373,10 +385,6 @@ export const CC2_TILESET_LAYOUT = {
         [15, 29],
     ],
 
-    // TODO these shouldn't loop and also seem to be more general
-    player_drowned: [[4, 5], [5, 5], [6, 5], [7, 5]],
-    player_burned: [[0, 5], [1, 5], [2, 5], [3, 5]],
-
     // TODO handle train tracks!  this is gonna be complicated.
     railroad: [9, 10],
     railroad_sign: [4, 31],
@@ -449,9 +457,9 @@ export const TILE_WORLD_TILESET_LAYOUT = {
     cloner: [3, 1],
     force_floor_all: [3, 2],
     splash: [3, 3],
-    player_drowned: [3, 3],
-    player_burned: [3, 4],
-    player_bombed: [3, 5],
+    bogus_player_drowned: [3, 3],
+    bogus_player_burned_fire: [3, 4],
+    bogus_player_burned: [3, 5],
     explosion: [3, 6],
     explosion_other: [3, 7],  // TODO ???
     // 3, 8 unused
@@ -573,6 +581,14 @@ export const LL_TILESET_LAYOUT = Object.assign({}, CC2_TILESET_LAYOUT, {
             west: [7, 33],
         },
     }),
+    bogus_player_burned_fire: {
+        overlay: [6, 33],
+        base: 'fire',
+    },
+    bogus_player_burned: {
+        overlay: [6, 33],
+        base: 'floor',
+    },
 });
 
 export class Tileset {
diff --git a/js/tiletypes.js b/js/tiletypes.js
index 8bdbd55..c9cc6b4 100644
--- a/js/tiletypes.js
+++ b/js/tiletypes.js
@@ -1176,12 +1176,6 @@ const TILE_TYPES = {
             key_yellow: true,
         },
     },
-    player_drowned: {
-        draw_layer: LAYER_ACTOR,
-    },
-    player_burned: {
-        draw_layer: LAYER_ACTOR,
-    },
     chip: {
         draw_layer: LAYER_ITEM,
         is_chip: true,
@@ -1307,6 +1301,18 @@ const TILE_TYPES = {
         draw_layer: LAYER_TERRAIN,
         blocks_all: true,
     },
+    bogus_player_drowned: {
+        draw_layer: LAYER_TERRAIN,
+        blocks_all: true,
+    },
+    bogus_player_burned_fire: {
+        draw_layer: LAYER_TERRAIN,
+        blocks_all: true,
+    },
+    bogus_player_burned: {
+        draw_layer: LAYER_TERRAIN,
+        blocks_all: true,
+    },
 };
 
 // Tell them all their own names