Games like Space Shooter 24
Games like Space Shooter 24 include Starfield, Fallout 4, Fallout: New Vegas, Cyberpunk 2077, and No Man's Sky. We matched them by the tags players give Space Shooter 24 on Steam (RPG, Space, Open World, Singleplayer, and Shooter): closest matches first, and among equally close ones the better-known games.

Starfield
Shared: Space · Open World · RPG

Fallout 4
Shared: Open World · RPG · Singleplayer

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

Cyberpunk 2077
Shared: Open World · RPG · Singleplayer

No Man's Sky
Shared: Space · Open World · Sci-fi

Elite Dangerous
Shared: Space · Open World · Sci-fi

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Singleplayer · RPG

The Outer Worlds 2
Shared: RPG · Singleplayer · Open World

Fallout 3
Shared: RPG · Open World · Singleplayer

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Open World · Singleplayer

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

BioShock Infinite
Shared: Shooter · RPG · Singleplayer

Outer Wilds
Shared: Space · Exploration · Open World

STAR WARS Jedi: Survivor™
Shared: Open World · Singleplayer · Sci-fi

Kingdom Come: Deliverance II
Shared: RPG · Open World · Singleplayer

Mass Effect™ Legendary Edition
Shared: RPG · Space · Singleplayer

Tainted Grail: The Fall of Avalon
Shared: RPG · Open World · Singleplayer

Rebel Galaxy
Shared: Space · Open World · RPG

Hogwarts Legacy
Shared: Open World · RPG · Singleplayer

Kingdom Come: Deliverance
Shared: RPG · Open World · Singleplayer

Halo Infinite
Shared: Singleplayer · Shooter · Open World

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

Endless Sky
Shared: Space · Open World · Singleplayer

Mount & Blade II: Bannerlord
Shared: RPG · Open World · Strategy