Double click flag to start. Player 1 uses arrows to move and space to shoot. Player 2 uses WASD and P to shoot. Wall jumps are possible. Make sure to click near the words on the menu, not on them.
I reused code from one of my old projects and I'm pretty sure that I used someone else's code, so if I used your code, then comment and I will properly credit you. Patch Notes! v.1.1: New stage: Perilous Platforms! New feature: Power-ups! They can make an arrow do extra damage or make you briefly invincible! Minor tweaks