try lua saves

main.lua

@@ -177,7 +177,7 @@ function main_scene(do_backdrop, do_logo)
         {
             texture = TEXTURES.LOAD_GAME_HEX,
             action = function()
-                local save = am.load_state("save", "json")
+                local save = am.load_state("save", "lua")
 
                 if save then
                     game_init(save)

src/game.lua

@@ -22,7 +22,7 @@ local game_scene_menu_options = {
     {
         texture = TEXTURES.LOAD_GAME_HEX,
         action = function()
-            local save = am.load_state("save", "json")
+            local save = am.load_state("save", "lua")
 
             if save then
                 game_init(save)
@@ -741,7 +741,7 @@ function game_end()
 end
 
 function game_save()
-    am.save_state("save", game_serialize(), "json")
+    am.save_state("save", game_serialize(), "lua")
     gui_alert("succesfully saved!")
 end