Games like AXONAUT
Games like AXONAUT include Sands of Salzaar, Door Kickers 2: Task Force North, Call to Arms - Gates of Hell: Ostfront, Mount & Blade: Warband, and Wargame: Red Dragon. We matched them by the tags players give AXONAUT on Steam (RTS, Strategy, RPG, Top-Down, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

Sands of Salzaar
Shared: Strategy · RPG · Adventure

Door Kickers 2: Task Force North
Shared: Top-Down · Strategy · Military

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · RTS · Real Time Tactics

Mount & Blade: Warband
Shared: RPG · Strategy · Military

Wargame: Red Dragon
Shared: RTS · Strategy · Military

Company of Heroes 3
Shared: Strategy · RTS · Singleplayer

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

Aliens: Dark Descent
Shared: Strategy · RTS · Top-Down

Total War: THREE KINGDOMS
Shared: Strategy · RTS · Military

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy · Adventure

SpellForce 3 Reforced
Shared: Strategy · RTS · RPG

Door Kickers
Shared: Strategy · Top-Down · RTS

Company of Heroes 2
Shared: Strategy · RTS · Military

Total War: WARHAMMER II
Shared: Strategy · RTS · Singleplayer

WARNO
Shared: RTS · Strategy · Military

Men of War: Assault Squad 2
Shared: Strategy · RTS · Military

Sultan's Game
Shared: RPG · Strategy · Adventure

Wandering Sword
Shared: RPG · Strategy · Adventure

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Military

Total War: WARHAMMER
Shared: Strategy · RPG · RTS

Total War: EMPIRE – Definitive Edition
Shared: Strategy · RTS · Military

XCOM 2
Shared: Strategy · RPG · Military

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Real Time Tactics · RTS

Starship Troopers: Terran Command
Shared: RTS · Strategy · Military