Bullet Rain

Your gun doesn't do damage, you have to shoot enemy bullets (red) to turn them into ally bullets (blue), which don't damage you, and kill enemies instead.

Controls:

--Mouse and Keyboard:

WASD - Movement

Spacebar - Jump

Left Click - Shoot

--Controller:

Left stick - Movement

Right stick - Camera Movement

A(Xbox)/X(PlayStation) - Jump

Right Trigger - Shoot