diff --git a/src/extra.lua b/src/extra.lua
index dc0c20f..3c38873 100644
--- a/src/extra.lua
+++ b/src/extra.lua
@@ -21,10 +21,21 @@ function math.lerp(v1, v2, t)
     return v1 * t + v2 * (1 - t)
 end
 
+-- don't use this with sparse arrays
 function table.rchoice(t)
     return t[math.floor(math.random() * #t) + 1]
 end
 
+function table.count(t)
+    local count = 0
+    for i,v in pairs(t) do
+        if v ~= nil then
+            count = count + 1
+        end
+    end
+    return count
+end
+
 function table.find(t, predicate)
     for i,v in pairs(t) do
         if predicate(v) then
diff --git a/src/game.lua b/src/game.lua
index e47f2d1..0cae70b 100644
--- a/src/game.lua
+++ b/src/game.lua
@@ -23,7 +23,7 @@ local TRDTS = {
 }
 
 local function get_initial_game_state(seed)
-    local STARTING_MONEY = 100
+    local STARTING_MONEY = 100000
     -- 2014
     local map, world = random_map()
 
@@ -41,7 +41,7 @@ local function get_initial_game_state(seed)
         time_until_next_wave = 15,
         time_until_next_break = 0,
         spawning = false,
-        spawn_chance = 25,
+        spawn_chance = 55,
 
         selected_tower_type = false,
         selected_toolbelt_button = 9,
@@ -96,11 +96,11 @@ function select_toolbelt_button(i)
 end
 
 local function get_wave_time(current_wave)
-    return math.log(current_wave) + 90
+    return 90
 end
 
 local function get_break_time(current_wave)
-    return math.log(current_wave) + 15
+    return 15
 end
 
 function do_day_night_cycle()
@@ -140,13 +140,14 @@ local function game_action(scene)
     state.time = state.time + am.delta_time
     state.score = state.score + am.delta_time
 
-    state.spawn_chance = state.spawn_chance - math.floor(state.time / 100)
+    --state.spawn_chance = math.clamp(state.spawn_chance - math.floor(state.time / 100), 1, 25)
 
     if state.spawning then
         state.time_until_next_break = state.time_until_next_break - am.delta_time
 
         if state.time_until_next_break <= 0 then
             state.time_until_next_break = 0
+            state.current_wave = state.current_wave + 1
 
             state.spawning = false
             state.time_until_next_wave = get_wave_time(state.current_wave)
@@ -156,7 +157,6 @@ local function game_action(scene)
 
         if state.time_until_next_wave <= 0 then
             state.time_until_next_wave = 0
-            state.current_wave = state.current_wave + 1
 
             state.spawning = true
             state.time_until_next_break = get_break_time(state.current_wave)
diff --git a/src/tower.lua b/src/tower.lua
index d63fc9c..bc568e4 100644
--- a/src/tower.lua
+++ b/src/tower.lua
@@ -217,11 +217,14 @@ end
 function tower_type_is_buildable_on(hex, tile, tower_type)
     if not tower_type then return false end
 
+    -- @TODO remove this shit
+    if hex == HEX_GRID_CENTER then return false end
+
     local blocking_towers = towers_on_hex(hex)
     local blocking_mobs = mobs_on_hex(hex)
 
-    local towers_blocking = #blocking_towers ~= 0
-    local mobs_blocking = #blocking_mobs ~= 0
+    local towers_blocking = table.count(blocking_towers) ~= 0
+    local mobs_blocking = table.count(blocking_mobs) ~= 0
 
     local blocked = mobs_blocking or towers_blocking
 
diff --git a/texture.lua b/texture.lua
index e947869..64fd963 100644
--- a/texture.lua
+++ b/texture.lua
@@ -1,4 +1,5 @@
 
+
 local function load_texture(filepath)
     local status, texture = pcall(am.texture2d, filepath)