Games like Diluvion: Resubmerged
Games like Diluvion: Resubmerged include The Witcher 3: Wild Hunt — Remastered, Fallout 4, Monster Hunter: World, Middle-earth: Shadow of War, and Fallout: New Vegas. We matched them by the tags players give Diluvion: Resubmerged on Steam (Underwater, Action, Adventure, RPG, and Indie): closest matches first, and among equally close ones the better-known games.

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Open World

Fallout 4
Shared: RPG · Adventure · Open World

Monster Hunter: World
Shared: Action · RPG · Adventure

Middle-earth: Shadow of War
Shared: Action · RPG · Adventure

Fallout: New Vegas
Shared: RPG · Open World · Action

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

Bastion
Shared: Action · Indie · RPG

Feed and Grow: Fish
Shared: Underwater · Action · Indie

Subnautica: Below Zero
Shared: Underwater · Singleplayer · Adventure

God of War
Shared: Action · Adventure · Singleplayer

Red Dead Redemption 2
Shared: Adventure · Action · Open World

Hogwarts Legacy
Shared: Adventure · RPG · Open World

Grand Theft Auto V Legacy
Shared: Action · Open World · Adventure

Kingdom Come: Deliverance II
Shared: RPG · Adventure · Action

Crimson Desert Enhanced
Shared: Action · Adventure · Singleplayer

FINAL FANTASY XV WINDOWS EDITION
Shared: RPG · Adventure · Action

Subnautica
Shared: Underwater · Adventure · Open World

Yakuza Kiwami
Shared: Action · Adventure · RPG

Kingdom Come: Deliverance
Shared: RPG · Singleplayer · Adventure

Middle-earth™: Shadow of Mordor™
Shared: Action · Adventure · Open World

FINAL FANTASY VII REBIRTH
Shared: Action · RPG · Adventure

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: RPG · Adventure · Open World

Cyberpunk 2077
Shared: RPG · Open World · Singleplayer

Hyper Light Drifter
Shared: Adventure · Indie · Action