One Flood map is confirmed removed from the Workshop; ten more survive only as server-history traces

Asked:

“Flood gmod maps archive, any lost media”

A live-web preservation sweep as of 6 September 2026 catalogued 21 distinct candidate Garry’s Mod Flood maps across 13 independent source hosts — no authoritative master list exists, so this is discovery, not a complete universe. Of the 21: 9 show a current public copy, 2 are removed, hidden or offline, and 10 are unresolved or known only from server listings. All rows come from this single sweep.

public copy located (9)removed / hidden / offline (2)unresolved or server-history only (10) — recovery leads, not proven lost

The clearest lost-media lead is Workshop item 1968277270, “[Flood] Modern Map — Build a boat and survive”: its own page says it was removed from the community and hidden — steamcommunity.com

fm_treatment, credited to mapper Shifty Pete, survives only as a historical mention on his Steam group — no public file was located — steamcommunity.com

fm_buildaboat_canal_modern_b1 is the most-corroborated unresolved map, with 7 independent page mentions, all of them server-history records — gmod-servers.com

fm_bastion is the best-preserved map in the set: 9 independent mentions, Workshop item 131528390 plus a working mirror on Erik’s archive — erikszeug.de

All 21 maps in the sweep

Map	Status	Workshop ID	Credit	Mentions	Source

Method: live-web preservation sweep of Steam Workshop, server monitors, GameBanana, GameMaps, mapper pages, archive indexes and community records, as of 2026-09-06. 21 inventory rows, one per normalized map name, drawn from 13 hosts; false positives (Halo Flood, generic flooded maps, s&box) were filtered semantically. “Mentions” counts independent pages referencing the map. A null download state is shown as “needs verification”; an unlocated BSP is not proof the file no longer survives privately. Long evidence strings were trimmed for space.

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