Ninja Assassin is a browser-based arcade game that runs instantly, with nothing to install. Think parkour & running and retro & arcade — that is the shape of it. Everything runs client-side, so it starts fast even on a modest connection.
About Ninja Assassin
Ninja Assassin is an endless runner arcade Online game. Collect coins and buy power ups to help you in your quest for the best score.
How to play Ninja Assassin
You can work the whole thing out by playing it. Load the game above and it fills the player in portrait. On a phone you can play one-handed; on desktop the frame stays centred so nothing is cropped. Restarting is instant, so there is no cost to experimenting.
Controls
| Input | Action |
|---|---|
| Arrow keys / WASD | Run and change lane |
| Spacebar | Jump |
| Shift | Slide |
On mobile: Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
Why it is worth playing
Ninja Assassin is easy to start and harder to master, which is the balance the best browser games hit.
At a glance
- Free to play with no account required
- Runs in the browser — nothing to download or install
- Portrait layout, comfortable one-handed on mobile
- Keyboard and mouse on desktop, full touch support on mobile.
- Parkour & Running gameplay — Keep moving and never look down
- Retro & Arcade gameplay — Cabinet-era games that still hold up
- Added to our catalogue from a 2022 release
Frequently asked questions
Is Ninja Assassin free to play?
Yes. Ninja Assassin is completely free and runs in your browser. There is no purchase, no subscription and no account needed — open the page and play.
Do I need to download or install anything?
No. Ninja Assassin is an HTML5 game that runs inside the page itself. There is nothing to install, no plugin and no launcher — it loads like any other web page.
Can I play Ninja Assassin on my phone?
Yes. Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
What are the controls for Ninja Assassin?
Keyboard and mouse on desktop, full touch support on mobile. Arrow keys / WASD — run and change lane; Spacebar — jump; Shift — slide.
Can I play Ninja Assassin fullscreen?
Yes. Use the fullscreen button in the top-right of the game player to expand it to the whole screen, and press Escape to come back out.
What kind of game is Ninja Assassin?
Ninja Assassin is a arcade game built around parkour & running and retro & arcade. If that is the sort of thing you enjoy, the related games further down the page are picked using the same tags.
