BASE FEATURES: - Controls; keys for each player to move forward and back and turn left and right - Projectile; each player can fire an energy blast in the direction they're facing - Collision; energy blasts stop when hitting a wall or a player - Walls; players cannot move through walls
STARTER CHALLENGES: - Damage; each player loses health if hit by an energy blast - Win condition; game ends if one player runs out of health - Destruction; stamp out parts of the walls when they're hit by energy blasts - Clones; use cloning to allow each player to shoot multiple energy blasts ADVANCED CHALLENGES: - Random levels; make multiple levels that the game randomly chooses from each time - Character select; allow each player to choose a character with different attributes before the game starts EPIC CHALLENGES: - Upgrades; players can acquire upgrades to temporarily improve their energy blasts or movement - A.I; make one player controlled by A.I.
