When Worlds Collide (role-playing game)
| Designers | John Fountain, Alistair Dandy | 
|---|---|
| Publishers | When Worlds Collide | 
| Publication | 2010 (1st edition) | 
| Genres | multi-genre | 
| Systems | Custom | 
When Worlds Collide is a Multi-Versal role-playing game that uses Rifts to transfer players to parallel and new worlds.