To unlock every achievement or trophy in Marvel Cosmic Invasion, finish the campaign, then revisit stages to complete challenges, collect Cosmic Cubes, and mop up combat or character-specific requirements. The game has 35 achievements on Steam and 35 Xbox achievements worth 1,000 Gamerscore; check your platform’s own list for exact requirements, especially for multiplayer and any DLC.
How many achievements and trophies are there?
Steam lists 35 achievements, and the Xbox catalog lists 35 achievements worth 1,000 Gamerscore. Those figures describe the listed achievements on those platforms; do not assume that achievement wording, trophy grades, or downloadable-content coverage are identical everywhere. The exact current PlayStation 4 and PlayStation 5 trophy names and grades are not established here, so use the trophy list shown on your console rather than treating Steam or Xbox descriptions as a definitive PlayStation checklist.
Steam confirms achievement support: MARVEL Cosmic Invasion on Steam. Xbox’s catalog provides its achievement count and Gamerscore total: Xbox achievements.
A practical route to 100% completion
1. Play through the campaign first
Complete the story and let its progression-related achievements unlock naturally. A Steam Community guide recommends playing in campaign mode because stages can be selected later for cleanup; this is community advice, not an official developer guarantee. Read the Steam Community completion guide.
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- 15 PLAYABLE SUPER HEROES: Whether you’re an old-school expert or a first-time fan, you’ll find familiar faces and discover new favourites in a captivating roster of characters from across the Marvel Universe!
- MASTER THE COSMIC SWAP TAG-TEAM SYSTEM: With the Cosmic Swap tag-team system, choose two Super Heroes for each level and switch between them instantly. Create unique combos and powerful special attacks. Each character’s abilities encourage creative team-ups and a more tactical approach to the action.
- AMAZING RETRO ART DIRECTION: MARVEL Cosmic Invasion is a tribute to one of Marvel’s most iconic eras, with stunning full-colour pixel art designs.
- INTUITIVE, FUN MULTIPLAYER FOR EVERYONE: Whether you're teaming up with friends or family, MARVEL Cosmic Invasion has you covered with local/online play and a drop-in/drop-out adaptive system.
2. Watch for combat and character-specific requirements
As you play, try character-specific actions and combat feats rather than leaving every mechanical requirement until the end. The Steam achievement list includes examples such as completing the prologue and landing a 200-hit combo; cataloged requirements also cover character feats and assists. Your platform’s achievement or trophy list is the authority for the exact trigger and wording.
3. Revisit stages for challenges and Cosmic Cubes
After the campaign, use stage selection to find missed objectives and collectibles. The cited Steam guide directs players to complete level challenges and find Cosmic Cubes, then open Vault → Cosmic Matrix to unlock the remaining squares. Follow the in-game progress indicators to identify what remains.
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- 15 PLAYABLE SUPER HEROES: Whether you’re an old-school expert or a first-time fan, you’ll find familiar faces and discover new favourites in a captivating roster of characters from across the Marvel Universe
- MASTER THE COSMIC SWAP TAG-TEAM SYSTEM: With the Cosmic Swap tag-team system, choose two Super Heroes for each level and switch between them instantly. Create unique combos and powerful special attacks. Each character’s abilities encourage creative team-ups and a more tactical approach to the action
- AMAZING RETRO ART DIRECTION: MARVEL Cosmic Invasion is a tribute to one of Marvel’s most iconic eras, with stunning full-colour pixel art designs
- INTUITIVE, FUN MULTIPLAYER FOR EVERYONE: Whether you're teaming up with friends or family, MARVEL Cosmic Invasion has you covered with local/online play and a drop-in/drop-out adaptive system
4. Complete the multiplayer requirements
At least some listed requirements involve multiplayer, including completing a stage in multiplayer. The official site describes local and online co-op with drop-in/drop-out play, and Steam lists online and shared/split-screen co-op. Check the wording on your platform and arrange the required second player or team setup before attempting a multiplayer-specific objective. Official MARVEL Cosmic Invasion site.
5. Confirm every item on your platform
Use the console or Steam achievement interface as your final checklist. Guides may differ in platform coverage, DLC scope, and whether they spell out exact conditions or simply name objectives. If an item does not unlock, compare its current platform description with the in-game objective and verify that you met the stated mode, character, and team conditions.
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- 15 PLAYABLE SUPER HEROES: Whether you’re an old-school expert or a first-time fan, you’ll find familiar faces and discover new favourites in a captivating roster of characters from across the Marvel Universe
- MASTER THE COSMIC SWAP TAG-TEAM SYSTEM: With the Cosmic Swap tag-team system, choose two Super Heroes for each level and switch between them instantly. Create unique combos and powerful special attacks. Each character’s abilities encourage creative team-ups and a more tactical approach to the action
- AMAZING RETRO ART DIRECTION: MARVEL Cosmic Invasion is a tribute to one of Marvel’s most iconic eras, with stunning full-colour pixel art designs
- INTUITIVE, FUN MULTIPLAYER FOR EVERYONE: Whether you're teaming up with friends or family, MARVEL Cosmic Invasion has you covered with local/online play and a drop-in/drop-out adaptive system
How long does the completion route take, and are achievements missable?
TrueAchievements estimates 8–10 hours for its Xbox walkthrough route, with one playthrough and no missable, unobtainable, or online-only achievements. These are that guide’s estimates and classifications, not a guaranteed completion time or a universal statement about every platform. TrueAchievements Xbox walkthrough.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Do DLC achievements or trophies count?
The publisher lists the Cyclops & The Thing DLC as available on all platforms, priced at $3.99 on the publisher page represented here. The available listing does not establish whether the DLC adds achievements or trophies. Check your platform’s current list and the DLC’s own details before including it in a completion target. Dotemu’s MARVEL Cosmic Invasion page.
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