Mario Shooter (Ruby + Gosu)
A 2D two-player shooter game created with Gosu in 2 hours

Controls#
Red Mario (Player 1)#
W: Jump
A: Move left
D: Move right
SPACE: Shoot a fireball
Blue Mario (Player 2)#
Up arrow: Jump
Left arrow: Move Left
Right arrow: Move right
Enter/Return: Shoot a fireball
Others#
Press ‘C’ to play again