Games like Circle Empires 2
Games like Circle Empires 2 include Hades, Vampire Survivors, Risk of Rain 2, Company of Heroes 3, and Megabonk. We matched them by the tags players give Circle Empires 2 on Steam (Roguelite, Action RTS, Action Roguelike, Real Time Tactics, and PvE): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Roguelite · Action Roguelike · Roguelike

Vampire Survivors
Shared: Roguelite · Action Roguelike · Roguelike

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

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

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

ZeroSpace
Shared: Action RTS · Real Time Tactics · PvE

Sephiria
Shared: Roguelite · Action Roguelike · Roguelike

Shape of Dreams
Shared: Action Roguelike · Roguelite · PvE

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

Streets of Rogue
Shared: Roguelite · Action Roguelike · Roguelike

Cult of the Lamb
Shared: Action Roguelike · Roguelite · Cute

Lost Castle
Shared: Action Roguelike · Roguelite · PvP

Broken Arrow
Shared: Action RTS · Real Time Tactics · RTS

Gunfire Reborn
Shared: Roguelite · Roguelike · Action Roguelike

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · PvE

Hades II
Shared: Roguelite · Action Roguelike · Roguelike

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

暖雪 Warm Snow
Shared: Roguelite · Action Roguelike · Roguelike

Halls of Torment
Shared: Roguelite · Action Roguelike · Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Bad North: Jotunn Edition
Shared: Real Time Tactics · Action Roguelike · RTS

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie

Rogue: Genesia
Shared: Roguelite · Action Roguelike · PvE