W or Up Arrow to move forward Left Arrow or A to turn Left Right Arrow or D to turn right Space to Shoot X to pause game/open shop.
Made for Vell, includes comments that detail how the entire thing works. -=- What This Has -=- ‣ Shop ‣ Multiple Enemy Types ‣ Movement Collisions ‣ 2 Types of Walls ‣ 4 Different Stages ‣ Lives ‣ Different Stage Names