WASD to move mouse to aim click to shoot kill enemies to get score and bucks enemies will spawn faster the longer you play this is not endless you can win press z to upgrade your gun if you have enough bucks (you can't go back after upgrading) Red=will explode on death Yellow=does more damage to you Blue=faster Green=regular collect health packs to restore your health Upgrades .1st upgrade : ak-47 ($1000) .2nd upgrade : shotgun ($2500) .3rd upgrade : rocket launcher ($3500) .4th upgrade : minigun ($5000) .5th upgrade : lazr ($10000)