Games like Breeze of Ashes
Games like Breeze of Ashes include Cossacks 3, Company of Heroes 3, Age of Mythology: Retold, Age of Darkness: Final Stand, and Mindustry. We matched them by the tags players give Breeze of Ashes on Steam (Action RTS, RTS, Strategy, Isometric, and Resource Management): closest matches first, and among equally close ones the better-known games.

Cossacks 3
Shared: RTS · Strategy · Action RTS

Company of Heroes 3
Shared: Strategy · RTS · Action RTS

Age of Mythology: Retold
Shared: RTS · Strategy · Resource Management

Age of Darkness: Final Stand
Shared: Action RTS · RTS · Strategy

Mindustry
Shared: RTS · Resource Management · Strategy

Warhammer 40,000: Dawn of War - Definitive Edition
Shared: RTS · Strategy · Action RTS

Tempest Rising
Shared: RTS · Strategy · Isometric

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Resource Management

Broken Arrow
Shared: Strategy · RTS · Action RTS

Age of Empires II (Retired)
Shared: RTS · Strategy · Resource Management

9-Bit Armies: A Bit Too Far
Shared: Action RTS · RTS · Strategy

Diplomacy is Not an Option
Shared: Resource Management · RTS · Action RTS

Anno 1800
Shared: Strategy · RTS · Resource Management

Rusted Warfare - RTS
Shared: RTS · Strategy · Moddable

ZeroSpace
Shared: Action RTS · RTS · PvE

Company of Heroes 2
Shared: Strategy · RTS · PvP

Frostpunk
Shared: Strategy · Resource Management · Management

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · RTS · PvE

The Scouring
Shared: RTS · Strategy · PvE

Factorio
Shared: Resource Management · Strategy · Base Building

Thronefall
Shared: Strategy · Action RTS · Isometric

They Are Billions
Shared: Strategy · RTS · Resource Management

Kingdoms and Castles
Shared: Resource Management · Strategy · RTS

EverSiege: Untold Ages
Shared: Action RTS · PvE · Strategy