The game mechanics are compatible with Champions, Silver Age Sentinels, and Mutants & Masterminds.

The game presents itself as the proprietary universe of a Silver Age comic book publishing company, complete with fictional authors, first appearance dates, and full page issue covers.

[1] The major heroes of the Omlevex universe consist of: After the Z-Man Games book officially went out of print due to Z-Man Games retreating from the pen & paper RPG sector, the Omlevex setting and its characters lay dormant for several years.

Omlevex as a standalone game will not use a fictional version of the 1960s as a default anymore, but rather the year 2010 as a starting point.

On August 19, 2010, Spectrum Games issued a short Facebook message that said the new rules system was now going to be developed under the name Capes, Cowls and Villains Foul (CC&VF for short), actually using a much older working title for one of Cynthia Celeste Miller's earlier games.