Test subject TANK is a game feturing M%S123 as the main character.
Arrow keys: move/ jump
Hold up arrow key: Rocket boosters
Hold space/release: charge proton bazookas
EnemiesParazymes: These enemies fly around. the only way to kill them is to land/jump on them. they will eat any kind of bullets, whicth then causes them to multiply.
(image by grouchnoxwiki)
...and other enemies from the test subject sieries.
article under construct (a bit)