Games like Sumerian Six
Games like Sumerian Six include Total War: WARHAMMER III, Men of War: Assault Squad 2, Shadow Tactics: Blades of the Shogun, Desperados III, and Shadow Tactics: Aiko's Choice. We matched them by the tags players give Sumerian Six on Steam (Action, 3D, Colorful, Atmospheric, and Dark Comedy): closest matches first, and among equally close ones the better-known games.
Total War: WARHAMMER III
Shared: Action · Strategy · War
Men of War: Assault Squad 2
Shared: Action · War · Strategy
Shadow Tactics: Blades of the Shogun
Shared: Stealth · Real Time Tactics · Action
Desperados III
Shared: Real Time Tactics · Stealth · Strategy
Shadow Tactics: Aiko's Choice
Shared: Action · Real Time Tactics · Stealth
Commandos: Behind Enemy Lines
Shared: Action · Stealth · Strategy
Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles
Shared: Action · 3D · Demons
Partisans 1941
Shared: Real Time Tactics · Stealth · Strategy
IRON NEST: Heavy Turret Simulator
Shared: 3D · Action · War
METAL GEAR SOLID V: THE PHANTOM PAIN
Shared: Action · Stealth · Atmospheric
Dishonored 2
Shared: Action · Stealth · Atmospheric
A Plague Tale: Innocence
Shared: Atmospheric · Action · Stealth
World of Warships
Shared: 3D · Atmospheric · Action
Aliens: Dark Descent
Shared: Action · Real Time Tactics · Strategy
Tomb Raider Game of the Year
Shared: Action · Female Protagonist · Atmospheric
Totally Accurate Battle Simulator
Shared: War · Colorful · Strategy
Desperados: Wanted Dead or Alive
Shared: Action · Strategy · Atmospheric
Eriksholm: The Stolen Dream
Shared: Real Time Tactics · Stealth · 3D
Rise of the Tomb Raider™
Shared: Action · Female Protagonist · Atmospheric
Wolfenstein: The New Order
Shared: Action · Atmospheric · War
Sniper Elite 4
Shared: Action · War · Stealth
A Plague Tale: Requiem
Shared: Action · Atmospheric · 3D
Wolfenstein: The Old Blood
Shared: Action · Atmospheric · Stealth
Mafia: The Old Country
Shared: Action · Atmospheric · Stealth