diff --git a/arena.lua b/arena.lua
index aa3cca8..54b0501 100644
--- a/arena.lua
+++ b/arena.lua
@@ -611,6 +611,36 @@ function Arena:quit()
         steam.userStats.setAchievement('VOIDERS_WIN')
         steam.userStats.storeStats()
       end
+
+      local units = self.player:get_all_units()
+      local all_units_level_2 = true
+      for _, unit in ipairs(units) do
+        if unit.level ~= 2 then
+          all_units_level_2 = false
+          break
+        end
+      end
+      if all_units_level_2 then
+        state.achievement_level_2_win = true
+        system.save_state()
+        steam.userStats.setAchievement('LEVEL_2_WIN')
+        steam.userStats.storeStats()
+      end
+
+      local units = self.player:get_all_units()
+      local all_units_level_3 = true
+      for _, unit in ipairs(units) do
+        if unit.level ~= 3 then
+          all_units_level_3 = false
+          break
+        end
+      end
+      if all_units_level_3 then
+        state.achievement_level_3_win = true
+        system.save_state()
+        steam.userStats.setAchievement('LEVEL_3_WIN')
+        steam.userStats.storeStats()
+      end
     end
 
   else
diff --git a/main.lua b/main.lua
index 215cb05..8602651 100644
--- a/main.lua
+++ b/main.lua
@@ -1241,10 +1241,12 @@ function update(dt)
   end
 
   if input.k.pressed then
-    sx, sy = sx - 1, sy - 1
-    love.window.setMode(480*sx, 270*sy)
-    state.sx, state.sy = sx, sy
-    state.fullscreen = false
+    if sx > 1 and sy > 1 then
+      sx, sy = sx - 1, sy - 1
+      love.window.setMode(480*sx, 270*sy)
+      state.sx, state.sy = sx, sy
+      state.fullscreen = false
+    end
   end
 
   if input.l.pressed then
@@ -1254,10 +1256,12 @@ function update(dt)
     state.fullscreen = false
   end
 
+  --[[
   if input.f12.pressed then
     steam.userStats.resetAllStats(true)
     steam.userStats.storeStats()
   end
+  ]]--
 end