What is Pentablocks?
Pentablocks is a free arcade game with .io and ball elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Pentablocks is an intense bullet-hell dodging game channeling Slopes infamous red blocks and Undertale-style battle evasion.
How to play Pentablocks
- Press "Play now" on the game screen. Pentablocks loads inside the player; some games take up to 20 seconds and may show a short ad first.
- WASD Arrow Keys - Dodge Move in all directions R - Restart level
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | Arcade |
|---|---|
| Tags | .io, Ball |
| Controls | Arrow keys, WASD keys |
| Screen | Landscape (1280 × 720) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameMonetize |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Pentablocks is an intense bullet-hell dodging game channeling Slopes infamous red blocks and Undertale-style battle evasion. Maneuver your dot with precise WASD controls through endless barrages of sharp pentagonal red obstacles in a neon void. Survive escalating patterns, chain perfect dodges, unlock modes, and hunt high scores in this pure skill-based, addictive browser reflex tester—no shooting, just survival.
Pentablocks: frequently asked questions
Is Pentablocks free to play?
Yes. Pentablocks is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Pentablocks?
The developer's instructions for Pentablocks say: "WASD Arrow Keys - Dodge Move in all directions R - Restart level"
Can I play Pentablocks on a phone or tablet?
Pentablocks is controlled with the keyboard (Arrow keys and WASD keys), so it plays best on a computer. It opens in mobile browsers, but there may be no on-screen controls.
What games are similar to Pentablocks?
If you like Pentablocks, try Balls: Puzzle, Quack Quest and best 2048. They are arcade games with similar themes, and you can find more in the Arcade category on Gameziko.
Good to know
Pentablocks is made by an independent developer and delivered by GameMonetize, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.