Is Marvel Cosmic Invasion: The Siege of Castle Doom on Steam?

No. Marvel Cosmic Invasion: The Siege of Castle Doom is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.

What platforms is Marvel Cosmic Invasion: The Siege of Castle Doom on?

Marvel Cosmic Invasion: The Siege of Castle Doom is available on Xbox Series X|S, PlayStation 4, Linux, PC (Microsoft Windows), PlayStation 5, Xbox One, Nintendo Switch.

Marvel Cosmic Invasion: The Siege of Castle Doom

Nov 10, 2026FightingHack and slash/Beat 'em upAdventureXbox Series X|S PlayStation 4LinuxPC (Microsoft Windows)PlayStation 5

Marvel Cosmic Invasion: The Siege of Castle Doom — frequently asked questions

Is Marvel Cosmic Invasion: The Siege of Castle Doom on Steam?: No. Marvel Cosmic Invasion: The Siege of Castle Doom is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.
What platforms is Marvel Cosmic Invasion: The Siege of Castle Doom on?: Marvel Cosmic Invasion: The Siege of Castle Doom is available on Xbox Series X|S, PlayStation 4, Linux, PC (Microsoft Windows), PlayStation 5, Xbox One, Nintendo Switch.
When did Marvel Cosmic Invasion: The Siege of Castle Doom release?: Marvel Cosmic Invasion: The Siege of Castle Doom was first released on November 10, 2026.

About Marvel Cosmic Invasion: The Siege of Castle Doom

Marvel Cosmic Invasion - The Siege of Castle Doom includes two new playable characters and a new game mode. The Fantastic Four's most powerful member and their greatest adversary are joining the fight against Annihilus! Invisible Woman and Doctor Doom head to Marvel Cosmic Invasion for an intergalactic adventure that will see them face off against the fearsome Annihilation Wave! The Siege of Castle Doom will put the leader of Latveria at the center of its new game mode, set in the nefarious Castle Doomstadt!

Summary via IGDB.

Game details

Platforms: Xbox Series X|S (s), PlayStation 4, Linux, PC (Microsoft Windows), PlayStation 5, Xbox One, Nintendo Switch
Developer: Tribute Games
Publisher: DotEmu
Game modes: Single player, Multiplayer, Co-operative
Themes: Action, Science fiction
Series: Marvel
Official site: Visit

Details via IGDB.

Every version compared

Prices, contemporary reception and the studio credited for each release

Also released on: Xbox Series X|S · PlayStation 4 · Linux · PC (Microsoft Windows) · PlayStation 5 · Xbox One · Nintendo Switch. We haven’t priced or authenticated those versions yet.