[1] After moving to Minnesota, he and his brother John joined the Midwest Military Simulation Association gaming group, where he met Dave Arneson, David Wesely, Ken Fletcher, Dave Megarry, and others.
In 1974, Richard's brother John designed Star Probe, a science fiction role-playing game that was published by TSR.
[3]: 85 Snider then designed a role-playing game for Avalon Hill titled Powers & Perils.
[3]: 177 In addition to designing two supplements for Powers & Perils and the adventure Tower of the Dead[4] that were all released in 1984 by Avalon Hill, Snider also authored several supplemental articles that appeared in Avalon Hill's shortlived role-playing game magazine Heroes, including the adventure Doom Manor.
[5] Sporting a much higher price tag than industry powerhouse Dungeons & Dragons, Powers & Perils languished, and Avalon Hill dropped the project in 1985.