UGM
| UGM | |
|---|---|
| Developer(s) | LOst |
| Artist(s) | Simon Stålenhag |
| Composer(s) | Simon Stålenhag |
| Platform(s) | Windows |
| Release | c. 2006 |
| Gameplay info | |
| Next pieces | 1 |
| Playfield size | 10 × 20 |
| Hold piece | No |
| Hard drop | Yes (sonic) |
| Rotation system | ARS |
  | |
UGM is a fan game by LOst—developer of LTAP—featuring art and music by Simon Stålenhag. The title UGM is short for Unofficial Grand Master.