Games like Codename: Operation Go
Games like Codename: Operation Go include XCOM 2, Battle Brothers, Axis and Allies 1942 Online, ROMANCE OF THE THREE KINGDOMS XIV, and MENACE. We matched them by the tags players give Codename: Operation Go on Steam (Strategy, Board Game, Turn-Based Strategy, Turn-Based Tactics, and Wargame): closest matches first, and among equally close ones the better-known games.

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

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

Axis and Allies 1942 Online
Shared: Board Game · Strategy · Wargame

ROMANCE OF THE THREE KINGDOMS XIV
Shared: Turn-Based Tactics · Wargame · Military

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

Panzer Corps 2
Shared: Strategy · Turn-Based Strategy · Wargame

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

Warhammer 40,000: Gladius - Relics of War
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Heroes of the Three Kingdoms 7
Shared: Strategy · Turn-Based Tactics · 2D

Company of Heroes 3
Shared: Strategy · Wargame · Singleplayer

Hex of Steel
Shared: Strategy · Turn-Based Strategy · Board Game

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

Root
Shared: Board Game · Strategy · Wargame

Total War: THREE KINGDOMS
Shared: Strategy · Turn-Based Strategy · War

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

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

Romance of the Three Kingdoms XIII
Shared: Turn-Based Tactics · Wargame · Military

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based Strategy · War

Total War: EMPIRE – Definitive Edition
Shared: Strategy · Turn-Based Strategy · Military

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

Romance of the Three Kingdoms XI with Power Up Kit
Shared: Turn-Based Tactics · Wargame · Turn-Based Strategy

WARNO
Shared: Strategy · Wargame · Military

Ultimate General: Civil War
Shared: Wargame · Strategy · Board Game

Total War: NAPOLEON – Definitive Edition
Shared: Strategy · Turn-Based Strategy · War