Games like EverSiege: Untold Ages
Games like EverSiege: Untold Ages include Age of Darkness: Final Stand, Shape of Dreams, Orcs Must Die! 3, Orcs Must Die! Deathtrap, and Bloons TD 6. We matched them by the tags players give EverSiege: Untold Ages on Steam (Action RTS, Roguelite, MOBA, PvE, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Age of Darkness: Final Stand
Shared: Action RTS · Tower Defense · PvE

Shape of Dreams
Shared: Co-op · Roguelite · PvE

Orcs Must Die! 3
Shared: Co-op · Tower Defense · PvE

Orcs Must Die! Deathtrap
Shared: Roguelite · Co-op · Tower Defense

Bloons TD 6
Shared: Tower Defense · Co-op · Strategy

Dungeon Defenders
Shared: Tower Defense · Online Co-Op · Survival

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

Company of Heroes 3
Shared: Action RTS · Strategy · Co-op

PUBG: BATTLEGROUNDS
Shared: Survival · Co-op · Online Co-Op

ELDEN RING NIGHTREIGN
Shared: Co-op · Online Co-Op · PvE

Orcs Must Die! 2
Shared: Co-op · Tower Defense · Strategy

Warhammer: Vermintide 2
Shared: Co-op · PvE · Online Co-Op

HELLDIVERS™ 2
Shared: PvE · Online Co-Op · Co-op

Gunfire Reborn
Shared: Roguelite · Co-op · Online Co-Op

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Co-op

Sanctum 2
Shared: Co-op · Tower Defense · Strategy

PlateUp!
Shared: Co-op · Roguelite · Management

Tribes of Midgard
Shared: PvE · Online Co-Op · Roguelite

Don't Starve Together
Shared: Co-op · Survival · Online Co-Op

Company of Heroes 3: Final Stand
Shared: Action RTS · Roguelite · Strategy

Axon TD: Uprising - Tower Defense
Shared: Roguelite · Tower Defense · PvE

Risk of Rain 2
Shared: Co-op · Roguelite · Online Co-Op

Sir, We Have an Orc Problem
Shared: Roguelite · Tower Defense · PvE

Mindustry
Shared: Tower Defense · Strategy · Co-op