diff --git a/design.md b/design.md
index 30c32c5..401f4ac 100644
--- a/design.md
+++ b/design.md
@@ -12,12 +12,9 @@
 
 ## Map Size
 
-Outer core is at about a few kilometers over 100 km.
-It is a liquid layer, an endless sea of extremely hot and destructive lava.
-It's the end of progression, bottom of the map, can't progress further.
-The evil source is somewhat above that, at about 100 km.
-The final goal is the evil source, so player is expected to mine about 100 km deep to beat the game.
-1 meter = one tile. 100 km = 100,000 tiles deep.
+The evil source is at about 50 km.
+The final goal is the evil source, so player is expected to mine about 50 km deep to beat the game.
+1 meter = one tile. 50 km = 50,000 tiles deep.
 
 ## Number of stuff
 
diff --git a/src/app.rs b/src/app.rs
index 1f30b2a..260149e 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -57,6 +57,7 @@ impl App {
 
     fn do_update(&mut self) {
         let tp = self.game.camera_offset.tile_pos();
+        self.game.camera_offset.y += 33;
         imm_dbg!(tp);
         imm_dbg!(tp.to_chunk_and_local());
     }