diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,10 @@
+scroll (1.20180421) unstable; urgency=medium
+
+  * Added stack.yaml.
+  * Fix build with ghc 8.2.
+
+ -- Joey Hess <id@joeyh.name>  Sat, 21 Apr 2018 22:34:02 -0400
+
 scroll (1.20170122) unstable; urgency=medium
 
   * Fix build with optparse-applicative-0.13.
diff --git a/Monster.hs b/Monster.hs
deleted file mode 100644
--- a/Monster.hs
+++ /dev/null
@@ -1,31 +0,0 @@
-module Monster where
-
-import qualified Data.Set as S
-import Control.Monad.State.Strict
-
-import Types
-import World
-
-monsterPos :: Monster -> Pos
-monsterPos (Bug p) = p
-monsterPos (Mold p) = p
-
-moveMonster :: Monster -> Pos -> M ()
-moveMonster m p = do
-	removeMonster m
-	addMonster $ case m of
-		Bug _ -> Bug p
-		Mold _ -> Mold p
-
-addMonster :: Monster -> M ()
-addMonster m = do
-	writeActor (monsterPos m) (AMonster m)
-	changeMonsters (S.insert m)
-
-removeMonster :: Monster -> M ()
-removeMonster m = do
-	writeActor (monsterPos m) Empty
-	changeMonsters (S.delete m)
-
-changeMonsters :: (S.Set Monster -> S.Set Monster) -> M ()
-changeMonsters f = modify $ \s -> s { monsters = f (monsters s) }
diff --git a/TODO b/TODO
--- a/TODO
+++ b/TODO
@@ -1,3 +1,10 @@
+Add a bonus level with:
+Front side, a NanoGenMo generated novel. (It's possible that some of
+the current levels would qualify, if I'd only written them in November!) 
+Back side, my joeywiki/code/scroll/thoughts.mdwn. (This contains
+a spoiler for scroll, which fits very thematically with scroll's first
+level containing its license..)
+
 For spells with only 1 component, add a letter frequency table, and make
 the charmap be constructed by picking a letter with the desired frequency
 that is not otherwise used. This adds a different sort of randomness to the
diff --git a/scroll.cabal b/scroll.cabal
--- a/scroll.cabal
+++ b/scroll.cabal
@@ -1,5 +1,5 @@
 Name: scroll
-Version: 1.20170122
+Version: 1.20180421
 Cabal-Version: >= 1.6
 License: GPL-2
 Maintainer: Joey Hess <id@joeyh.name>
@@ -60,7 +60,6 @@
     Level.Random
     Level.Shuffle
     Level.Tutorial
-    Monster
     Peruser
     Pager
     Player