diff --git a/BuildLibs/buildmap.py b/BuildLibs/buildmap.py
index 82ab17c..b943ac3 100644
--- a/BuildLibs/buildmap.py
+++ b/BuildLibs/buildmap.py
@@ -96,8 +96,8 @@ def ReadHeaders(self, data):
 
     def CreateSpritePacker(self):
         self.spritePacker = FancyPacker('<', OrderedDict(
-            pos='iii', cstat='h', picnum='h', gfxstuff='bBB', filler='B',
-            texcoords='BBbb', sectnum='h', statnum='h', angle='h',
+            pos='iii', cstat='h', picnum='h', shade='b', palette='B', clipdist='B',
+            filler='B', texcoords='BBbb', sectnum='h', statnum='h', angle='h',
             owner='h', velocity='hhh', lowtag='h', hightag='h', extra='h')
         )
 
@@ -240,9 +240,12 @@ def DupeSprite(self, rng: random.Random, sprite:Sprite, spacing: float, possible
         if rng.random() < replacementChance:
             replace = rng.choice((*possibleReplacements.keys(), sprite.picnum))
             if replace != sprite.picnum:
-                sprite.lowtag = possibleReplacements[replace].get('lowtag', sprite.lowtag)
-                xrepeat = possibleReplacements[replace].get('xrepeat', sprite.texcoords[0])
-                yrepeat = possibleReplacements[replace].get('yrepeat', sprite.texcoords[1])
+                r = possibleReplacements[replace]
+                sprite.lowtag = r.get('lowtag', sprite.lowtag)
+                xrepeat = r.get('xrepeat', sprite.texcoords[0])
+                yrepeat = r.get('yrepeat', sprite.texcoords[1])
+                palettes = r.get('palettes', [0])
+                sprite.palette = rng.choice(palettes)
                 sprite.texcoords = [xrepeat, yrepeat, 0, 0]
             sprite.picnum = replace
         for i in range(20):
@@ -446,8 +449,8 @@ def ReadHeaders(self, data):
 
     def CreateSpritePacker(self):
         self.spritePacker = FancyPacker('<', OrderedDict(
-            pos='iii', cstat='h', gfxstuff='bBB', texcoords='BBbb',
-            picnum='h', angle='h', velocity='hhh', owner='h',
+            pos='iii', cstat='h', shade='b', palette='B', clipdist='B',
+            texcoords='BBbb', picnum='h', angle='h', velocity='hhh', owner='h',
             sectnum='h', statnum='h', lowtag='h', hightag='h', extra='h')
         )
 
diff --git a/BuildLibs/games.py b/BuildLibs/games.py
index 6d4fff6..9eefd7e 100644
--- a/BuildLibs/games.py
+++ b/BuildLibs/games.py
@@ -114,13 +114,15 @@ def GetGameConSettings(game: GameInfo) -> GameConSettings:
     g:GameConSettings = gamesConSettings.get(game.type, GameConSettings())
     return g.copy()
 
-def SpriteInfo(name:str, category:str='', lowtag:int=0, xrepeat:int=0, yrepeat:int=0) -> dict:
+def SpriteInfo(name:str, category:str='', lowtag:int=0, xrepeat:int=0, yrepeat:int=0, palettes=None) -> dict:
     d = dict(name=name, category=category)
     if lowtag:
         d['lowtag'] = lowtag
     if xrepeat:
         d['xrepeat'] = xrepeat
         d['yrepeat'] = yrepeat
+    if palettes:
+        d['palettes'] = palettes
     return d
 
 def SpriteRange(min:int, max:int, value:dict):