W & S to move back and forth click to fire click on sentries to get them moving first sentry at 0 scrap second sentry at 30 scrap first heavy-gun sentry at 75 scrap second heavy-gun sentry at 150 scrap third heavy-gun sentry at 225 scrap fourth heavy-gun sentry at 300 scrap first flamethrower sentry at 300 scrap second flamethrower sentry at 600 scrap first armour at 50 scrap second armour at 250 scrap final armour at 1000 scrap rifle at 250 scrap railgun at 600 scrap plasma blaster at 1000 scrap
tutorial doesn't work yet (not coded) Press the green flag to restart
