Steffen Winterfeldt

Steffen Winterfeldt is a trick speedrunner in Doom. Knows how to get on hidden ledges, bypass locked doors, and finish level without keys. Example, in E1M4: Command Control, got to the ledge to the yellow key without blue key. E4M2: Perfect Hatred, got onto one of the steps in the staircase to the Cyberdemon, bypassing the yellow and blue keys.