Games like End State
Games like End State include XCOM 2, The Last Spell, Battle Brothers, Jagged Alliance 3, and Fell Seal: Arbiter's Mark. We matched them by the tags players give End State on Steam (Strategy, Turn-Based Tactics, Action, Early Access, and Character Customization): closest matches first, and among equally close ones the better-known games.

XCOM 2
Shared: Strategy · Turn-Based Tactics · Character Customization

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

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

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

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

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

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

MENACE
Shared: Strategy · Turn-Based Tactics · RPG

BattleTech
Shared: Strategy · Turn-Based Tactics · Action

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Turn-Based Tactics · Strategy · RPG

Gears Tactics
Shared: Strategy · Turn-Based Tactics · Character Customization

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action

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

Phantom Doctrine
Shared: Strategy · Turn-Based Tactics · RPG

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

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

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

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

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Character Customization · Strategy

Disgaea 5 Complete
Shared: Strategy · Turn-Based Tactics · RPG

Warhammer 40,000: Rogue Trader
Shared: Strategy · RPG · Character Customization

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

XCOM: Enemy Unknown
Shared: Strategy · Turn-Based Tactics · Tactical

Empire of Sin
Shared: Strategy · Turn-Based Tactics · RPG