In the context of Braid , "Chimera" often refers to the or the legendary Speedrun Challenges . These require stitching together (like a Chimera) perfect executions of different mechanics.

is a puzzle-action game developed by Hot-B and released in 1985 , while Braid is a critically acclaimed puzzle-platformer created by Jonathan Blow in 2008 .

Braid (2008) revolutionized the genre by making "death" impossible via the rewind mechanic, shifting the focus from reflexes to pure logic.