Games like Deserted "Firefly Islands": Chronicles
Games like Deserted "Firefly Islands": Chronicles include Fallout 4, Grand Theft Auto V Legacy, Mount & Blade II: Bannerlord, Dragon's Dogma 2, and Fallout: New Vegas. We matched them by the tags players give Deserted "Firefly Islands": Chronicles on Steam (Sandbox, Singleplayer, CRPG, Character Customization, and RPG): closest matches first, and among equally close ones the better-known games.
Fallout 4
Shared: Singleplayer · Open World · RPG
Grand Theft Auto V Legacy
Shared: Open World · Action · Singleplayer
Mount & Blade II: Bannerlord
Shared: Sandbox · RPG · Open World
Dragon's Dogma 2
Shared: Singleplayer · RPG · Open World
Fallout: New Vegas
Shared: Singleplayer · RPG · Open World
ARK: Survival Ascended
Shared: Open World · Sandbox · Base Building
Monster Hunter: World
Shared: RPG · Character Customization · Open World
Hogwarts Legacy
Shared: Singleplayer · Open World · RPG
The Elder Scrolls IV: Oblivion Remastered
Shared: Singleplayer · RPG · Open World
Starfield
Shared: Singleplayer · Open World · RPG
Enshrouded
Shared: Open World · Base Building · RPG
The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Open World · Singleplayer
Tainted Grail: The Fall of Avalon
Shared: RPG · Open World · Character Customization
Cyberpunk 2077
Shared: Singleplayer · Open World · RPG
Where Winds Meet
Shared: Singleplayer · Open World · Character Customization
Sands of Salzaar
Shared: RPG · Open World · Sandbox
Dragon's Dogma: Dark Arisen
Shared: RPG · Character Customization · Open World
The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Singleplayer · RPG · Open World
Scrap Mechanic
Shared: Sandbox · Open World · Building
Kenshi
Shared: Sandbox · Open World · RPG
Biomutant
Shared: Singleplayer · Open World · RPG
Mount & Blade: Warband
Shared: Sandbox · RPG · Open World
Rust
Shared: Sandbox · Open World · Building
Once Human
Shared: Open World · Action · Base Building