Uploaded February 2023 | Updated September 2026, 1 hour ago

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The final map of Hydrosphere, a 6 level Boom-compatible mapset.

Played with the GZDoom source port.

Hydrosphere by Brian Irving
doomworld.com/forum/topic/128979-hydrosphere-6-level-boom-mapset

GZDoom Source Port
zdoom.org/index

Doom II by id Software
store.steampowered.com/app/2300/DOOM_II