play in you browser :https://scratch.mit.edu/projects/421022295/fullscreen/

control

press the game boy's buttons to interact with the game or play with you keyboard.

(Game boy or keyboard) the directional arrows allows you to move the ship.

(Game boy) A, B,(keyboard) Z or X can fire lasers.

press (Game boy) select, start, (keyboard) A or S for pauses the game.

how to play

you have to kill all the aliens 
with your laser but be careful with the 
ammunition, if you have more you can take a black 
ball to save two.
you can also take the money, if you have 100, you 
gain a life but if you have all your life, the game will 
wait until you lose one to give yourself one.