Should be free
UPDATE IDEAS
-where you look press the trigger/screen to move there and in certain spots it stops you to battle geobots.
-add armor to the shop.
-add boss geobots by having the player shoot certain spots of the boss to kill it.
-add different locations to choose from.
EDITED:
-have the more costly armor and lasers be more powerful
-add levels
- add an indicator in levels telling you how many geobots are left to shoot