Warhammer has been adapted to every period I can think of. Here's a version called Warhammer Panzer Battles
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The guys at One Page Rules have created a one-page version of Games Workshop's Age of Sigmar.
The third edition of One Page Fantasy Battles has been released. It is intended as a replacement for Warhammer Fantasy Battles.
One Page 40K is a simplified version of the seminal miniatures wargame. The rules now offes data for Space Marine Chapters and Genestealer Cults.
Coreheim is an updated rulebook for the venerable Games Workshop Mordheim system. I liked Mordheim (and its predecessor, Necromunda). I should get them out again to play.