Games like UFO2: Extraterrestrials
Games like UFO2: Extraterrestrials include XCOM®: Chimera Squad, XCOM 2, Jagged Alliance 3, The Last Spell, and STAR WARS Zero Company™. We matched them by the tags players give UFO2: Extraterrestrials on Steam (RPG, Strategy, Tactical RPG, Turn-Based Tactics, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

XCOM®: Chimera Squad
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

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

Jagged Alliance 3
Shared: Strategy · Turn-Based Tactics · RPG

The Last Spell
Shared: Strategy · RPG · Turn-Based Strategy

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Strategy · Turn-Based Strategy

Battle Brothers
Shared: RPG · Strategy · Turn-Based Tactics

MENACE
Shared: RPG · Strategy · Turn-Based Tactics

XCOM: Enemy Unknown
Shared: Strategy · Turn-Based Strategy · Sci-fi

Xenonauts 2
Shared: RPG · Strategy · Turn-Based Tactics

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Strategy

Warhammer 40,000: Mechanicus
Shared: Strategy · Turn-Based Tactics · Sci-fi

Fell Seal: Arbiter's Mark
Shared: RPG · Strategy · Turn-Based Tactics

Warhammer 40,000: Battlesector
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

Expeditions: Rome
Shared: RPG · Strategy · Turn-Based Strategy

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

BattleTech
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

Gears Tactics
Shared: Strategy · Turn-Based Tactics · RPG

King's Bounty II
Shared: RPG · Strategy · Turn-Based Strategy

The Banner Saga 3
Shared: RPG · Strategy · Turn-Based Tactics

Banner of the Maid
Shared: Strategy · RPG · Turn-Based Strategy

Mutant Year Zero: Road to Eden
Shared: RPG · Strategy · Turn-Based Tactics

Warhammer 40,000: Mechanicus II
Shared: Strategy · RPG · Turn-Based Tactics

King Arthur: Knight's Tale
Shared: Tactical RPG · RPG · Turn-Based Tactics

Hard West 2
Shared: RPG · Turn-Based Strategy · Turn-Based Tactics