Mastermind io

Game aliases:  Mastermind online gameDub: Code challenger

Mastermind io description

Mastermind io — Play for free at

Mastermind io combines features of several io games. This combination makes the gameplay unique and addicting.

How to Play

The more points you have the better. It's the main thing to pay attention in Mastermind io. You can exchange XP points for upgrading your character's skills. However that won't help you in case you meet weak, but experienced player. Don't stop watching out in Mastermind io.

Mastermind io can be played solo, with friends or with online players all over the world. Unlocked and fully accessible version without lags. The game is added about 13 days ago and so far 180 people had played, liked 9 times and disliked 1 times. The overall rating of Mastermind io is 6.0. If you liked this game try also Spaceblaster io and Sudoku Online.


  • WASD to move