Games like Geneforge 1
Games like Geneforge 1 include Baldur's Gate 3, Ruined King: A League of Legends Story™, Shadowrun Returns, Divinity: Original Sin (Classic), and Divinity: Original Sin - Enhanced Edition. We matched them by the tags players give Geneforge 1 on Steam (RPG, Indie, Isometric, Strategy, and Turn-Based Combat): closest matches first, and among equally close ones the better-known games.

Baldur's Gate 3
Shared: RPG · Turn-Based Combat · Fantasy

Ruined King: A League of Legends Story™
Shared: RPG · Turn-Based Combat · Isometric

Shadowrun Returns
Shared: RPG · Isometric · Indie

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

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

Clair Obscur: Expedition 33
Shared: RPG · Turn-Based Combat · Fantasy

觅长生
Shared: RPG · Strategy · Indie

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

Pillars of Eternity
Shared: RPG · Isometric · Fantasy

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

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

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

Fallout 2: A Post Nuclear Role Playing Game
Shared: RPG · Isometric · Turn-Based Combat

Encased: A Sci-Fi Post-Apocalyptic RPG
Shared: RPG · Turn-Based Combat · Strategy

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

UnderRail
Shared: RPG · Isometric · Indie

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

Fell Seal: Arbiter's Mark
Shared: RPG · Indie · Strategy

Battle Chasers: Nightwar
Shared: RPG · Turn-Based Combat · Indie

The World of Kungfu: Dragon and Eagle
Shared: RPG · Indie · Turn-Based Combat

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

Blackguards
Shared: RPG · Strategy · Indie

Darkest Dungeon®
Shared: RPG · Turn-Based Combat · Turn-Based

XCOM 2
Shared: Strategy · RPG · Turn-Based Combat