Games like Battlecruisers
Games like Battlecruisers include Planetary Annihilation: TITANS, Total War: WARHAMMER III, Broken Arrow, Shadow Tactics: Blades of the Shogun, and Minimalist Tower Defense. We matched them by the tags players give Battlecruisers on Steam (Real Time Tactics, Stylized, RTS, Strategy, and 2D): closest matches first, and among equally close ones the better-known games.

Planetary Annihilation: TITANS
Shared: Real Time Tactics · RTS · Strategy

Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics

Broken Arrow
Shared: Strategy · Real Time Tactics · RTS

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

Minimalist Tower Defense
Shared: Real Time Tactics · Strategy · 2D

Aliens: Dark Descent
Shared: Strategy · Real Time Tactics · RTS

Wargame: Red Dragon
Shared: RTS · Strategy · Real Time Tactics

Plague Inc: Evolved
Shared: Strategy · Post-apocalyptic · Indie

Battlefleet Gothic: Armada 2
Shared: Real Time Tactics · RTS · Strategy

Men of War: Assault Squad 2
Shared: Strategy · RTS · Real Time Tactics

Stronghold: Definitive Edition
Shared: Real Time Tactics · Strategy · RTS

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

Total War: WARHAMMER II
Shared: Strategy · RTS · Real Time Tactics

Kingdom Heroes 8
Shared: Real Time Tactics · RTS · Strategy

Total War: THREE KINGDOMS
Shared: Strategy · RTS · Real Time Tactics

911 Operator
Shared: Strategy · Real Time Tactics · 2D

Bad North: Jotunn Edition
Shared: Real Time Tactics · RTS · Stylized

WARNO
Shared: Real Time Tactics · RTS · Strategy

Machinarium
Shared: 2D · Robots · Hand-drawn

Door Kickers
Shared: Strategy · 2D · Real Time Tactics

Sudden Strike 4
Shared: Real Time Tactics · RTS · Strategy

Creeper World 4
Shared: Real Time Tactics · RTS · Strategy

Mini Motorways
Shared: Strategy · Stylized · Casual

They Are Billions
Shared: Strategy · RTS · Post-apocalyptic