Iris

I.R.I.S. or Interactive Real Intelligence Slot 300. IRIS is a 5-reel, $0.25, progressive jackpot classic powered by RTG. The progressive jackpot total is displayed above the reels. Every time the progressive jackpot is won the machines jackpot re-starts at $100,000.

A 3 credit bet with all 7 doors opened and 5 Radiation Hazard symbols on the pay line wins the jackpot. The game also has a bonus game. On a two credits bet a single laser beam situated above the reels scans the doors. If the laser stops on a door, then it will open it and you have more chances to win. On a 3 credit bet two laser beam will open doors if they stop on them, instead of one. When all seven doors are opened, a multiplier wheel spins. The multiplier wheel can multiply your win by up to 10 times your original bet.