Introduction: I spy with my little eye...   That @kgsws has made another try.   To inject his code against the stream   And attempting a port within Doom, or so it seems.   Worthy of a new thread, for sure it does,   But for now check out Doom-in-Doom, you absolutely must.   For the first time, Doom (Chocolate Doom) runs inside (Vanilla) Doom. (Oh and Chocolate Heretic in Doom.)   Video:     Downl