What is Number Mastermind?
Number Mastermind is a free puzzle game with brain elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Unleash your inner detective in Number Mastermind!
How to play Number Mastermind
- Press "Play now" on the game screen. Number Mastermind loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Follow the in-game tutorial or the on-screen hints on the first 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 | Puzzle |
|---|---|
| Tags | Brain |
| Controls | Shown in the game |
| Screen | Landscape (800 × 600) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GamePix |
| Added to Gameziko | 8 October 2025 |
Description from the developer
Unleash your inner detective in Number Mastermind! Crack the elusive code with just ten thrilling attempts. Each guess brings you closer to victory or defeat. Will you unravel the numerical mystery before time runs out? Dive into this mind-bending challenge and test your logic skills today!
Number Mastermind: frequently asked questions
Is Number Mastermind free to play?
Yes. Number Mastermind 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.
Can I play Number Mastermind on a phone or tablet?
Number Mastermind is an HTML5 game, so it opens in modern mobile browsers as well as on a computer. Its controls were designed mainly for a mouse, so a computer usually gives the smoothest experience.
What games are similar to Number Mastermind?
If you like Number Mastermind, try Goods Master, Squid Match Game and Find the Ball Game. They are puzzle games with similar themes, and you can find more in the Puzzle category on Gameziko.
Good to know
Number Mastermind is made by an independent developer and delivered by GamePix, 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.


























































































