Door glitch - Doom Editing - Doomworld

In UDB, I made a level that recuired a red keydoor to go to a switch which beats the level, but the door, however, causes the entire room to implode on itself. (Screenshot linked.

ZDoom - Knowledge Base - Sliding Doors Using Poly Objects

Beta 64 addon - DOOM CE mod for Doom II - ModDB

Steam Community :: Guide :: The Unofficial DOOM I & II Enhanced Tweaks Guide

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Doom Builder 2 Can't Open Doors From Both Sides - Doom Editing - Doomworld

PDF) ViZDoom Competitions: Playing Doom from Pixels

Doom Modding You Got Red On You

Doom just got a huge expansion pack, approved by Bethesda : r/Games

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Hell-blazers: Doom Eternal Speedrunning Q&A — King Dime

Doom (MS-DOS) - Super Adventures in Gaming

Doom Modding You Got Red On You