| Publishers | Palace Simulations Inc. |
|---|---|
| Years active | 1985 to unknown |
| Genres | science fiction, play-by-mail |
| Languages | English |
| Playing time | Fixed |
| Materials required | Instructions, order sheets, turn results, paper, pencil |
| Media type | Play-by-mail or email |
Rimworlds is an open-ended, science fiction, play-by-mail (PBM) game.