Games like Avernum 5
Games like Avernum 5 include Pathfinder: Kingmaker - Enhanced Plus Edition, Pillars of Eternity II: Deadfire, Pillars of Eternity, Avernum: Escape From the Pit, and Divinity: Original Sin - Enhanced Edition. We matched them by the tags players give Avernum 5 on Steam (RPG, Indie, Isometric, Turn-Based, and CRPG): closest matches first, and among equally close ones the better-known games.

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · Isometric · Party-Based RPG

Pillars of Eternity II: Deadfire
Shared: RPG · Isometric · Party-Based RPG

Pillars of Eternity
Shared: RPG · Isometric · Fantasy

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

Divinity: Original Sin - Enhanced Edition
Shared: RPG · Turn-Based · Fantasy

Shadowrun Returns
Shared: RPG · Isometric · Turn-Based

Divinity: Original Sin (Classic)
Shared: RPG · Turn-Based · Fantasy

Baldur's Gate: Enhanced Edition
Shared: CRPG · Isometric · RPG

Ruined King: A League of Legends Story™
Shared: RPG · Isometric · Indie

Lords of Xulima
Shared: RPG · Indie · Turn-Based

UnderRail
Shared: RPG · Isometric · Turn-Based

Avadon: The Black Fortress
Shared: RPG · Indie · Isometric

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

Shadowrun: Dragonfall - Director's Cut
Shared: RPG · Isometric · Turn-Based

Shadowrun: Hong Kong - Extended Edition
Shared: RPG · Turn-Based · Isometric

Baldur's Gate II: Enhanced Edition
Shared: RPG · CRPG · Party-Based RPG

Tyranny
Shared: RPG · Isometric · CRPG

Wasteland 2: Director's Cut
Shared: RPG · Turn-Based · Isometric

Blackguards
Shared: RPG · Turn-Based · Indie

Colony Ship: A Post-Earth Role Playing Game
Shared: Turn-Based · RPG · CRPG

Chained Echoes
Shared: RPG · Turn-Based · Indie

Eschalon: Book I
Shared: RPG · Indie · Isometric

Baldur's Gate 3
Shared: RPG · CRPG · Fantasy

Black Geyser: Couriers of Darkness
Shared: RPG · CRPG · Isometric