Project Challenger
| Status | In development |
| Platforms | HTML5 |
| Author | Tetro48 |
| Genre | Puzzle |
| Made with | Unity |
| Tags | blocks, Tetris, Unity |
| Code license | GNU General Public License v3.0 (GPL) |
| Average session | A few minutes |
| Languages | English, Japanese, Russian |
| Inputs | Keyboard, Gamepad (any) |
| Links | Source code |