ULTRA STACK™ BISON INSTANT TRIGGER: Offers immediate feature gameplay with the highest payouts. Free game feature types are available according to play option selected. At the start of any feature, the number of bison symbols on the reels is increased for the free games regardless of play option. When playing the game at higher play options, the top symbol is further increased via a wheel spin. Choosing the highest play option, automatically triggers one of the free game features.
Game Family: Ultra Stack Instant Trigger
Ultra Stack™ – Panda Instant Trigger
ULTRA STACK™ PANDA INSTANT TRIGGER: Offers immediate feature gameplay with the highest payouts. Free game feature types are available according to play option selected. At the start of any feature, a mini-game reveals a symbol that is increased on the reels for the free games regardless of play option. When playing the game at higher play options, the revealed symbol is further increased via a wheel spin. Choosing the highest play option automatically triggers one of the free game features.
Ultra Stack™ – Showgirls
ULTRA STACK™ SHOWGIRLS: A 5-reel, 50-line video slot. During the Free Games, the “Picture” symbol(s) revealed during the Mini Game change to stacks of 4 “Wild” symbols. Each set of stacked “Wild” compose a single striking image.
Ultra Stack™ – Poseidon
Ultra Stack™ Poseidon: A 5-reel 50-line video slot game. When FREE GAMES are triggered, the player selects 1 of 5 FREE GAMES options to play. Special reels with the Top Symbol increased are used during the FREE GAMES.
Ultra Stack™ – Feature Africa
Ultra Stack™ Feature Africa: A 5-reel 50-line video slot game. A maximum of 200 Free Games can be won depending on the number of Feature symbols appearing when the feature is triggered. Special reels with increased Top symbol are used during the Free Games.
Ultra Stack™ – Egypt
Ultra Stack™ Egypt: A 5-reel 50-line video slot game. The Multiplier revealed from the MINI GAME is applied to all wins during the FREE GAMES. Special reels with the Top Symbol increased are used during the FREE GAMES.
999.9 Gold Wheel™ – Ultra Stack Dragon Gold
ULTRA STACK™ DRAGON GOLD: The great beast is back with wild golden wins. Increased bets open up gameplay with a variety of special features such as turning an entire reel wild or multiplier wild in each game, and making it possible to trigger the mechanical golden wheel. This golden wheel awards free games played on special reels with a greater number of the top paying symbol or triggers a video wheel that selects from several jackpots.
Ultra Stack™ – Dragon
Ultra Stack™ Dragon: A 5-reel 50-line video slot game. A special reel with additional top symbols is used during the free game.
Rainbow Cash Ultra Stack™ – Feature Spring
RAINBOW CASH ULTRA STACK™ FEATURE SPRING: Colorful riches await in the LEPRECHAUN’s lucky garden of treasure. This new game in the popular ULTRA STACK SERIES contains stacks of transforming symbols that change to the same symbol, awards up to 200 free games and features a jackpot feature with 4 progressive levels.
Rainbow Cash Ultra Stack™ – Feature Rose
RAINBOW CASH ULTRA STACK™ FEATURE ROSE: Colorful riches await in the LEPRECHAUN’s lucky garden of treasure. This popular ULTRA STACK SERIES game awards up to 200 free games with 50 extra top paying symbols and now features a brand new jackpot feature with 4 progressive levels.