MARVEL Cosmic Invasion Passes 2 Million Players as Castle Doom DLC Arrives

Tribute Games’ superhero brawler adds another 500,000 players since May, while its latest paid expansion introduces Doctor Doom, Invisible Woman and a new mode.

By Anisha Pandey Edited by Daniel Harrison Published: Updated:
MARVEL Cosmic Invasion Passes 2 Million Players as Castle Doom DLC Arrives
MARVEL Cosmic Invasion has reached more than two million players. Image: Marvel / Dotemu / Tribute Games

Key Notes

  • Tribute Games says more than two million people have played MARVEL Cosmic Invasion, a player total that includes access through Game Pass rather than representing paid sales.
  • The audience has grown by another 500,000 since the milestone announced in May, while a standalone sales total remains undisclosed.
  • The separately sold Castle Doom expansion adds Invisible Woman, Doctor Doom and a run-based mode for returning players.

MARVEL Cosmic Invasion has reached more than two million players, Tribute Games has confirmed, as its superhero brawler approaches its first anniversary. The studio celebrated the milestone on November 11, thanking players who have joined the fight against Annihilus.

The figure measures the game’s audience, rather than copies sold. Cosmic Invasion is available through Game Pass as well as traditional purchases, and Tribute has not disclosed a separate paid-sales total alongside this update.

Half a Million More Players Since May

The previous publicly announced milestone was 1.5 million players in May. The new figure represents another 500,000 players in roughly six months, extending the audience well beyond the game’s initial launch period.

Cosmic Invasion debuted on December 1, 2025. It is a side-scrolling beat ’em up from Tribute Games and publisher Dotemu, built around a familiar Marvel cast facing the Annihilation Wave across locations including New York and the Negative Zone.

Subscription access is an important part of interpreting the number. Xbox’s listing confirms Game Pass availability, giving eligible members another route into the game without buying a standalone copy.

We previously reported on the distinction between purchases and subscription players in Gears of War: E-Day’s results. The same distinction applies here: a larger audience does not establish an equivalent number of sales or reveal how much revenue the game has generated.

Castle Doom Gives Returning Players More to Do

The milestone arrives alongside a substantial content update. Dotemu’s November 10 announcement also cited more than two million players while launching The Siege of Castle Doom, the game’s second paid DLC.

The expansion adds Invisible Woman and Doctor Doom as playable characters, plus a run-based Castle Doom mode. Players navigate branching routes through the fortress, fight new enemies and balance progress against an escalating time pressure.

Players choose from 12 perks affecting defense, damage or tactics. Reed’s Lab provides unlockable equipment and modifiers for later runs, giving the expansion a repeatable structure beyond the original campaign.

The DLC’s standard price is $7.99, and Dotemu lists it for PC, PlayStation 4 and 5, Xbox Series X|S, Nintendo Switch and Switch 2. It is sold separately from the base game; access to Cosmic Invasion through a subscription should not be mistaken for ownership of this expansion.

A Brawler Built Around Hero Swaps

Cosmic Invasion’s central mechanic remains Cosmic Swap. Players choose two heroes for a level and switch between them during combat, combining their different attacks and abilities instead of committing to a single fighter for the whole stage.

The Steam page lists local and online co-op, drop-in/drop-out play and cross-platform multiplayer. Its colorful pixel-art presentation accompanies a roster mixing familiar Earth-based heroes with cosmic characters such as Beta Ray Bill, Nova and Phyla-Vell.

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