Added lives system, player starts with 3 lives, gameover when player dies with 0 lives.
Powerups will now drift left off screen after a short delay.
Removed debug display of enemy waves.
Fixed bug where enemies were being killed off screen.
Added a difficulty select.
Increased the amount of enemies spawned over time, also effected by difficulty.
Fixed bug with floor generation that could cause a memory access issue in some cases.
Added lives system, player starts with 3 lives, gameover when player dies with 0 lives. Powerups will now drift left off screen after a short delay. Removed debug display of enemy waves. Fixed bug where enemies were being killed off screen. Added a difficulty select. Increased the amount of enemies spawned over time, also effected by difficulty. Fixed bug with floor generation that could cause a memory access issue in some cases.