Theres literally no point to this game. You just move around and it auto shoots... forever there no way to win or lose even if you let them get to you, you don’t die or anything. There’s just no point to this game. Now, here are the things you can add to make it a good game.
1 levels
2 character customization options
3 faster characters and enemies
4 sound
5 worlds
6 challenge
7 title screen
8 different guns
9 props such as buildings and other things
10 different types of enemies
11 waves in each level
12 different modes
You don’t have to add all of them, but there’s some really basic things that all good games have that this one doesn’t.