From ruleset on dsda:  "If a map requires (g)zdoom, you can more or less use any version of the associated ports that works, but be warned: these ports have poor demo compatibility and your run may only play back in the specific version you used."

In short - zdoom modifies original engine. Purpose of THIS leaderboard is to keep up with vanilla doom, which zdoom simply isn't.

Ultimate Doom

Why can't zdoom be used?

Ape Escape

Shovel Knight

Bloodborne

Dark Souls III

Slime-San

Blasphemous

Celeste

Squidlit

Timberman VS

Donut County

Katamari Damacy Reroll

Resident Evil 2 (2019)

Sekiro: Shadows Die Twice

Doom (Unity Ports)

Roombo: First Blood

Untitled Goose Game

Granny (PC)

Yuki Onna

Untitled Goose Game Category Extensions

The Convenience Store

Aka Manto | 赤マント

Murder House

JurassicSlime