If you are looking for an entertaining game with a relaxed and uncomplicated tone, "2D Zombie Survival" is a game that you would drink to play.
You start located in your central barricade, from which you can not leave but you can move through its small dimensions.
In front of you, waves of zombies of different type and quantity will arrive. From there, you will have to defend yourself.
As weapons, you'll start with a gun, but you could get more weapons, but you'll have to be careful! because the ammunition will end, save your best weapons for the most complicated situations!
How to play:
-WASD to move.
-SPACE to shoot the weapon.
-NUMBERS to swap weapon.
500 MB RAM
200 MB available space