Ultra Stack Ninja Character


The most feared master of Japanese martial arts puts his skills to the test in ULTRA STACK NINJA™. Five reels and 50 lines of combative techniques and stealthy abilities make this new 1¢ G-SERIES® title one that will surely make you fight for your winnings. If you are lucky enough to make it through the SHADOW FEATURE, MINI GAME, and 8 FREE GAMES, the prize which can be awarded will be more than deserving.

The SHADOW FEATURE can be triggered by 3 scattered FEATURE symbols appearing on reels 2, 3, and 4. It consists of a MINI GAME and 8 FREE GAMES. During the MINI GAME, select 1 of 5 NINJA silhouettes. The NINJA chosen during the MINI GAME will appear more frequently on the reels during the 8 FREE GAMES. During the 8 FREE GAMES, 3 scattered FEATURE symbols appearing on reels 2, 3, and 4 retrigger 8 additional FREE GAMES. Do you have what it takes to defeat the master?

* The contents introduced in this page may slightly differ depending on the jurisdictions.

Reel Configuration

5-Reel 4-Row Video Slot


50 Lines



Max Bet

250, 500, 750, 1000

Product Type

G • Series


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