Games like Universe X
Games like Universe X include DAVE THE DIVER, Stardew Valley, Hero Siege, Nordic Ashes: Survivors of Ragnarok, and Minishoot' Adventures. We matched them by the tags players give Universe X on Steam (Simulation, RPG, Action RPG, Space Sim, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
DAVE THE DIVER
Shared: Exploration · Pixel Graphics · RPG
Stardew Valley
Shared: RPG · Simulation · Pixel Graphics
Hero Siege
Shared: Action RPG · RPG · Pixel Graphics
Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Hell · Action RPG · Exploration
Minishoot' Adventures
Shared: Bullet Hell · RPG · Exploration
鬼谷八荒 Tale of Immortal
Shared: Simulation · RPG · Exploration
Drova - Forsaken Kin
Shared: RPG · Action RPG · Exploration
Vampire Survivors
Shared: Bullet Hell · 2D · Pixel Graphics
EVE Online
Shared: Space Sim · Exploration · Simulation
Starcom: Unknown Space
Shared: Space Sim · Action RPG · Exploration
Death Must Die
Shared: RPG · Bullet Hell · Pixel Graphics
Graveyard Keeper
Shared: RPG · Simulation · Pixel Graphics
The Escapists
Shared: Simulation · Pixel Graphics · 2D
Halls of Torment
Shared: Bullet Hell · Action RPG · RPG
Terraria
Shared: 2D · Exploration · Pixel Graphics
Touhou Mystia's Izakaya
Shared: Simulation · RPG · Pixel Graphics
Elite Dangerous
Shared: Space Sim · Simulation · Exploration
SPORE™
Shared: Simulation · Exploration · RPG
Hyper Light Drifter
Shared: Pixel Graphics · RPG · Exploration
DELTARUNE
Shared: RPG · Bullet Hell · Pixel Graphics
CrossCode
Shared: Action RPG · RPG · Pixel Graphics
Minecraft Dungeons II
Shared: RPG · Action RPG · Exploration
Last Epoch
Shared: Action RPG · RPG · Top-Down
Dungeon Munchies
Shared: RPG · Pixel Graphics · 2D