Games like Underrail: Expedition
Games like Underrail: Expedition include UnderRail, Wasteland 2: Director's Cut, Encased: A Sci-Fi Post-Apocalyptic RPG, Fallout: A Post Nuclear Role Playing Game, and Fallout 2: A Post Nuclear Role Playing Game. We matched them by the tags players give Underrail: Expedition on Steam (RPG, Indie, Post-apocalyptic, Isometric, and CRPG): closest matches first, and among equally close ones the better-known games.

UnderRail
Shared: RPG · Post-apocalyptic · Isometric

Wasteland 2: Director's Cut
Shared: RPG · Post-apocalyptic · CRPG

Encased: A Sci-Fi Post-Apocalyptic RPG
Shared: RPG · CRPG · Post-apocalyptic

Fallout: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Isometric

Fallout 2: A Post Nuclear Role Playing Game
Shared: RPG · Post-apocalyptic · Isometric

Disco Elysium - The Final Cut
Shared: RPG · Isometric · CRPG

ATOM RPG: Post-apocalyptic indie game
Shared: RPG · CRPG · Post-apocalyptic

Wasteland 3
Shared: CRPG · RPG · Post-apocalyptic

Shadowrun Returns
Shared: RPG · Isometric · Indie

Pillars of Eternity
Shared: RPG · Isometric · CRPG

Bastion
Shared: Indie · RPG · Isometric

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · Isometric · CRPG

Torment: Tides of Numenera
Shared: RPG · Isometric · Indie

Esoteric Ebb
Shared: RPG · Isometric · CRPG

Wolcen: Lords of Mayhem
Shared: RPG · Isometric · Indie

ATOM RPG: Trudograd
Shared: RPG · CRPG · Post-apocalyptic

Pillars of Eternity II: Deadfire
Shared: RPG · Isometric · CRPG

Grim Dawn
Shared: RPG · Isometric · Indie

Death Trash
Shared: Post-apocalyptic · Isometric · RPG

Shadowrun: Hong Kong - Extended Edition
Shared: RPG · Isometric · Indie

ZERO PARADES: Director's Cut
Shared: RPG · Indie · CRPG

Avernum: Escape From the Pit
Shared: RPG · Indie · Isometric

LISA: The Painful
Shared: RPG · Post-apocalyptic · Indie

Warhammer 40,000: Rogue Trader
Shared: RPG · CRPG · Indie