Shinobi Spirit is played on a 5-reel, 4-row grid with 26 paylines. Wins are formed by matching three or more symbols across these lines. The base game features an Asian ninja theme with low-value card icons alongside higher-paying temple and character symbols, complemented by Bamboo Prize symbols that can land with cash values.

The main attraction is the Shinobi Hold-n-Win bonus, which is triggered by landing scatter symbols or using the bonus buy option. This round introduces unique mechanics where Shinobi symbols activate and double values or slash to award prizes across the grid. Given its high volatility, it suits players with sufficient bankrolls looking for deeper gameplay features.