diff --git a/dev-assets/doodads/crumbly-floor/crumbly-floor.js b/dev-assets/doodads/crumbly-floor/crumbly-floor.js
index 97c2be0..c7bdf08 100644
--- a/dev-assets/doodads/crumbly-floor/crumbly-floor.js
+++ b/dev-assets/doodads/crumbly-floor/crumbly-floor.js
@@ -1,6 +1,6 @@
 // Crumbly Floor.
 function main() {
-	Self.SetHitbox(0, 0, 65, 7);
+	Self.SetHitbox(0, 0, 98, 11);
 
 	Self.AddAnimation("shake", 100, ["shake1", "shake2", "floor", "shake1", "shake2", "floor"]);
 	Self.AddAnimation("fall", 100, ["fall1", "fall2", "fall3", "fall4"]);
diff --git a/dev-assets/doodads/crumbly-floor/fall1.png b/dev-assets/doodads/crumbly-floor/fall1.png
index bc9710c..fdc1616 100644
Binary files a/dev-assets/doodads/crumbly-floor/fall1.png and b/dev-assets/doodads/crumbly-floor/fall1.png differ
diff --git a/dev-assets/doodads/crumbly-floor/fall2.png b/dev-assets/doodads/crumbly-floor/fall2.png
index 1524b6d..ac135c2 100644
Binary files a/dev-assets/doodads/crumbly-floor/fall2.png and b/dev-assets/doodads/crumbly-floor/fall2.png differ
diff --git a/dev-assets/doodads/crumbly-floor/fall3.png b/dev-assets/doodads/crumbly-floor/fall3.png
index 5b05d93..cad059d 100644
Binary files a/dev-assets/doodads/crumbly-floor/fall3.png and b/dev-assets/doodads/crumbly-floor/fall3.png differ
diff --git a/dev-assets/doodads/crumbly-floor/fall4.png b/dev-assets/doodads/crumbly-floor/fall4.png
index 97e8ee0..11f6c98 100644
Binary files a/dev-assets/doodads/crumbly-floor/fall4.png and b/dev-assets/doodads/crumbly-floor/fall4.png differ
diff --git a/dev-assets/doodads/crumbly-floor/fallen.png b/dev-assets/doodads/crumbly-floor/fallen.png
index dd5e57f..6c16dd0 100644
Binary files a/dev-assets/doodads/crumbly-floor/fallen.png and b/dev-assets/doodads/crumbly-floor/fallen.png differ
diff --git a/dev-assets/doodads/crumbly-floor/floor.png b/dev-assets/doodads/crumbly-floor/floor.png
index f89f16e..c592c09 100644
Binary files a/dev-assets/doodads/crumbly-floor/floor.png and b/dev-assets/doodads/crumbly-floor/floor.png differ
diff --git a/dev-assets/doodads/crumbly-floor/shake1.png b/dev-assets/doodads/crumbly-floor/shake1.png
index 4881adf..b59c251 100644
Binary files a/dev-assets/doodads/crumbly-floor/shake1.png and b/dev-assets/doodads/crumbly-floor/shake1.png differ
diff --git a/dev-assets/doodads/crumbly-floor/shake2.png b/dev-assets/doodads/crumbly-floor/shake2.png
index 42e770d..83723ef 100644
Binary files a/dev-assets/doodads/crumbly-floor/shake2.png and b/dev-assets/doodads/crumbly-floor/shake2.png differ
diff --git a/dev-assets/doodads/doors/build.sh b/dev-assets/doodads/doors/build.sh
index 52d6e18..384d486 100755
--- a/dev-assets/doodads/doors/build.sh
+++ b/dev-assets/doodads/doors/build.sh
@@ -18,13 +18,9 @@ doodad convert -t "Yellow Door" yellow-closed.png yellow-unlocked.png yellow-rig
 doodad edit-doodad -q --tag color=yellow door-yellow.doodad
 doodad install-script colored-door.js door-yellow.doodad
 
-# doodad convert -t "Green Door" green1.png green2.png door-green.doodad
-# doodad edit-doodad -q --tag color=green door-green.doodad
-# doodad install-script locked-door.js door-green.doodad
-#
-# doodad convert -t "Yellow Door" yellow1.png yellow2.png door-yellow.doodad
-# doodad edit-doodad -q --tag color=yellow door-yellow.doodad
-# doodad install-script locked-door.js door-yellow.doodad
+doodad convert -t "Small Key Door" small-closed.png small-unlocked.png small-right.png small-left.png small-key-door.doodad
+doodad edit-doodad -q --tag color=small small-key-door.doodad
+doodad install-script colored-door.js small-key-door.doodad
 
 doodad convert -t "Red Key" red-key.png key-red.doodad
 doodad edit-doodad -q --tag color=red key-red.doodad
@@ -42,7 +38,11 @@ doodad convert -t "Yellow Key" yellow-key.png key-yellow.doodad
 doodad edit-doodad -q --tag color=yellow key-yellow.doodad
 doodad install-script keys.js key-yellow.doodad
 
+doodad convert -t "Small Key" small-key.png small-key.doodad
+doodad edit-doodad -q --tag color=small small-key.doodad
+doodad install-script keys.js small-key.doodad
+
 doodad convert -t "Electric Door" electric{1,2,3,4}.png door-electric.doodad
 doodad install-script electric-door.js door-electric.doodad
 
-cp door-*.doodad key-*.doodad ../../../assets/doodads/
+cp door-*.doodad key-*.doodad small-*.doodad ../../../assets/doodads/
diff --git a/dev-assets/doodads/doors/colored-door.js b/dev-assets/doodads/doors/colored-door.js
index eaa1bcf..0bfba60 100644
--- a/dev-assets/doodads/doors/colored-door.js
+++ b/dev-assets/doodads/doors/colored-door.js
@@ -1,6 +1,6 @@
 function main() {
 	var color = Self.GetTag("color");
-	var keyname = "key-" + color + ".doodad";
+	var keyname = color === "small" ? "small-key.doodad" : "key-" + color + ".doodad";
 
 	// Layers in the doodad image.
 	var layer = {
@@ -46,7 +46,12 @@ function main() {
 			if (e.Settled) {
 				unlocked = true;
 				Self.ShowLayer(enterSide < 0 ? layer.right : layer.left);
-				Sound.Play("unlock.wav")
+				Sound.Play("unlock.wav");
+
+				// If a Small Key door, consume a small key.
+				if (color === "small") {
+					e.Actor.RemoveItem(keyname, 1)
+				}
 			}
 		}
 	});
diff --git a/dev-assets/doodads/doors/keys.js b/dev-assets/doodads/doors/keys.js
index 00cc6d7..593b871 100644
--- a/dev-assets/doodads/doors/keys.js
+++ b/dev-assets/doodads/doors/keys.js
@@ -1,10 +1,11 @@
 function main() {
 	var color = Self.GetTag("color");
+	var quantity = color === "small" ? 1 : 0;
 
 	Events.OnCollide(function(e) {
 		if (e.Settled) {
 			Sound.Play("item-get.wav")
-			e.Actor.AddItem(Self.Filename, 0);
+			e.Actor.AddItem(Self.Filename, quantity);
 			Self.Destroy();
 		}
 	})
diff --git a/dev-assets/doodads/doors/small-closed.png b/dev-assets/doodads/doors/small-closed.png
new file mode 100644
index 0000000..b97ae46
Binary files /dev/null and b/dev-assets/doodads/doors/small-closed.png differ
diff --git a/dev-assets/doodads/doors/small-key.png b/dev-assets/doodads/doors/small-key.png
new file mode 100644
index 0000000..11e4eca
Binary files /dev/null and b/dev-assets/doodads/doors/small-key.png differ
diff --git a/dev-assets/doodads/doors/small-left.png b/dev-assets/doodads/doors/small-left.png
new file mode 100644
index 0000000..273786f
Binary files /dev/null and b/dev-assets/doodads/doors/small-left.png differ
diff --git a/dev-assets/doodads/doors/small-right.png b/dev-assets/doodads/doors/small-right.png
new file mode 100644
index 0000000..4f55056
Binary files /dev/null and b/dev-assets/doodads/doors/small-right.png differ
diff --git a/dev-assets/doodads/doors/small-unlocked.png b/dev-assets/doodads/doors/small-unlocked.png
new file mode 100644
index 0000000..5596796
Binary files /dev/null and b/dev-assets/doodads/doors/small-unlocked.png differ