Games like Gather and Rule
Games like Gather and Rule include XCOM 2, Mount & Blade II: Bannerlord, Blood Bowl 2: Legendary Edition (Classic), Kingdom Rush 5: Alliance TD, and Total War: WARHAMMER II. We matched them by the tags players give Gather and Rule on Steam (Strategy, Board Game, Turn-Based Tactics, 2.5D, and 2D): closest matches first, and among equally close ones the better-known games.

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

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · War

Blood Bowl 2: Legendary Edition (Classic)
Shared: Strategy · Board Game · Fantasy

Kingdom Rush 5: Alliance TD
Shared: Strategy · 2D · Dragons

Total War: WARHAMMER II
Shared: Strategy · Fantasy · War

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

Blood Bowl 3
Shared: Strategy · Board Game · Fantasy

Age of Empires II (Retired)
Shared: Strategy · Medieval · Multiplayer

Dragon Age™: The Veilguard
Shared: Strategy · Fantasy · Turn-Based Tactics

King of the Bridge
Shared: Strategy · Board Game · 2.5D

Armello
Shared: Board Game · Strategy · 2D

Kingdom Rush - Tower Defense
Shared: Strategy · 2D · Fantasy

Cossacks 3
Shared: Strategy · War · Isometric

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

Total War: WARHAMMER III
Shared: Strategy · Fantasy · War

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

Age of Empires III: Definitive Edition
Shared: Strategy · War · Multiplayer

A Game of Thrones: The Board Game
Shared: Strategy · Board Game · Medieval

Age of Conquest IV
Shared: Strategy · Board Game · War

Talisman: Digital Classic Edition
Shared: Board Game · Strategy · Fantasy

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Board Game · Strategy · Turn-Based Tactics

Mordheim: City of the Damned
Shared: Strategy · Turn-Based Tactics · Fantasy

Spirit Island
Shared: Board Game · Turn-Based Tactics · Strategy

Crusader Kings III
Shared: Strategy · Medieval · War