The Morrow Project is a science fiction role-playing game created by Kevin Dockery, Robert Sadler and Richard Tucholka and published by Timeline Ltd. It is set after a devastating nuclear war. It was first released in the 1980s, and it still has a loyal following. The fourth edition was released as of December 15, 2013 by Chris Morrell and Robert O'Connor.

Gamma World is a post-apocalyptic science fantasy role-playing game in which player characters explore Earth centuries after the collapse of civilization, searching for artifacts from the time before "The Great Upheaval". The game was originally designed by James M. Ward and Gary Jaquet, and first published by TSR in 1978. It borrows heavily from Ward's earlier role-playing game, Metamorphosis Alpha.