diff --git a/0hh1.p8 b/0hh1.p8
index 41dfa70..a4539a4 100644
--- a/0hh1.p8
+++ b/0hh1.p8
@@ -1,5 +1,5 @@
 pico-8 cartridge // http://www.pico-8.com
-version 36
+version 38
 __lua__
 
 
@@ -60,8 +60,8 @@ __gfx__
 cc0cc01101100cc0cc08801100110110110110011011011011001101101101100880110110110011011011011001101101101100000000000000000000000000
 cc0cc01101100cc0cc08801100110110110110011011011011001101101101100880110110110011011011011001101101101100000000000000000000000000
 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-1101101101100110110110110011011088011001101108801100880880cc01100880880cc0cc00cc0880cc08800cc0880cc08800000000000000000000000000
-1101101101100110110110110011011088011001101108801100880880cc01100880880cc0cc00cc0880cc08800cc0880cc08800000000000000000000000000
+1101101101100110110110110011011088011001101108801100880880cc01100880880cc0cc0011011011011001101101101100000000000000000000000000
+1101101101100110110110110011011088011001101108801100880880cc01100880880cc0cc0011011011011001101101101100000000000000000000000000
 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 110110110110011011011011001101101101100110110cc01100cc01101101100cc01101101100110cc08801100cc0cc08808800000000000000000000000000
 110110110110011011011011001101101101100110110cc01100cc01101101100cc01101101100110cc08801100cc0cc08808800000000000000000000000000
diff --git a/board.lua b/board.lua
index 468e502..d1e72a1 100644
--- a/board.lua
+++ b/board.lua
@@ -2,8 +2,8 @@ local Board = {}
 function Board.new()
 	local debug = false
 
-	local width = 4 -- tiles
-	local tile_width = 10 -- pixels
+	local width = board_size -- tiles
+	local tile_width = 8 -- pixels
 	local padding = 1
 	local tiles = {}
 	local locked = {} -- list of indexes
diff --git a/globals.lua b/globals.lua
index 830003f..29e8838 100644
--- a/globals.lua
+++ b/globals.lua
@@ -1,6 +1,7 @@
 local amplitude = 128
 local mouse_x = 0
 local mouse_y = 0
+local board_size = 8
 
 --
 -- constants
diff --git a/states/menu.lua b/states/menu.lua
index 9e84b2c..5e49d9f 100644
--- a/states/menu.lua
+++ b/states/menu.lua
@@ -19,7 +19,7 @@ function state_menu()
 			make_button({
 				x=10, y=10+k*10, w=200,
 				text=item[1], data={i=2},
-				on_click=function() set_state(states.rules) end,
+				on_click=function() board_size=item[2] set_state(states.loading) end,
 				on_hover=function(btn) selected=k+1 end,
 			})
 		)