Nice game, 5/5. Only just though as i feel an expansion should be making its way here in the near future. Plenty of room to expand and add new details. Maybe an arcing story line with different endings?
Solid & Simple game, 4/5.
I can see you making a bigger, more expansive version based on this that would totally rock.
Just a couple things: It would be better if there was no pause between levels, and the truck came and dumped more dirt ‘while’ you are still fighting. Also you should put a big note before the game starts telling people that the upgrade menu is inside of the Pause menu.