Play the free demo of The Ninja above — no download, no registration and no deposit required. The demo runs on fun-play credits only, so you can test the gameplay, bonus features and volatility of The Ninja risk-free before you play for real money. Demo availability depends on the game provider and may not be offered in every region.
The Ninja online slots game, developed and powered by Endorphina, is a 5-reel, 20 payline online samurai and ninja-themed casino slot that allows players to choose on how many paylines they play, with a coin value range of 0.01 to 1, and a coins per line range of 1 to 10. Regarding Auto-Play, the game allows players to choose the number of automatic spins and set conditions for when the game stops automatically. In addition, the game offers the Turbo mode, which allows for the reels to spin faster. Moreover, the game has a Gamble feature available. Every win allows players to wager their winnings by picking one of 5 cards. Selecting a card bigger than the one already revealed doubles the winnings.
Below you will find the list of recommended online casinos where you can play the Endorphina action game. Feel free to claim the available bonuses for the game at these casinos and try your luck.
Regarding Scatter and Wild symbols, the samurai-themed game features one type of special symbols, the Black Ninja. The Black Ninja symbol acts as Wild, substituting for all other symbols of the game. When two or more Black Ninja symbols land, they are collected and saved for later use. When three or more Black Ninja symbols land simultaneously, they trigger Free Spins.
This online casino game features one bonus game in the form of Free Spins. Three or more Black Ninja symbols anywhere trigger the feature.
During Free Spins, the following rules apply:
This online game developed by Endorphina does not include any fixed value or Progressive Jackpots within it's gameplay.
The Ninja online slots game features no multipliers whatsoever.
Endorphina has included a simple Auto-Play option in this game, allow players to choose the number of automatic spins they want the game to play for them. Players can also opt for the game to stop automatic spinning when a feature is triggered, if available in the game.
With Endorphina developing mobile casino games already, it is no surprise that this online slots game is available on-the-go as well. You can access the popular online slots game via your mobile devices and spin to win.
There are several online casino bonuses available for this samurai-themed slot currently on the market, available for players to claim and get a bonus on their starting bankroll.
Content Strategist
48 articles · Last updated: Jul 17, 2026Nora 'LuckyScratch33' Malik has turned her longtime passion for scratch cards into a source of expert guidance for Canadian online casino players. By studying patterns, odds, and player behavior, she provides strategies that help enthusiasts get more out of every game. Her unique mix of hobbyist enthusiasm and analytical insight makes her advice both practical and engaging for those who love instant-win excitement.
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
Endorphina
0.0
GET YOUR FREE CASINO BONUS NOW!
We use cookies to enhance your browsing experience and provide personalized content. By clicking 'Accept,' you consent to the use of ,cookies on this website. You can learn more about our cookie policy and manage your preferences in the settings. Cookie policy
