Just Get 10: Infinite gameplay

Popular Just Get 10 game extended by new game mode and features (progress saving, leaderboard, achievements).

The goal of the game is to reach a box with value 10. Once this is reached, this game version let allow to continue in playing and reaching even higher values. Getting higher values is done via joining more boxes (which share at least one side each other) with same value.

Game source code is inspired by open source project available on GitHub.