CATS OF THE COSMOS

Cosmos Ch.3 — Even Stars Burn Out

Even Stars Burn Out is the 3rd sub-chapter of Cats of the Cosmos  ·  ← The Passion of Catgod

Extreme strength magnifications (some up to 2500%) — every fight in Ch.3 punishes under-leveled lineups. Treasure-complete Ch.1 and Ch.2 before attempting.

The end-game gauntlet. Magnifications climb to 2500% on the most punishing stages, and the chapter introduces enemies (Mesocosmocyclone, Super Cosmic Cyclones) whose stat blocks read like end-game raid bosses. Mesocosmocyclone debuts in 3-1 with a 5-frame attack rate and a forward Warp — there is no soft introduction to Ch.3.

Treasure-complete Ch.1 and Ch.2 is not a suggestion. Even talented Ubers fold on under-buffed lineups; the chapter assumes you've maxed every treasure cluster from the previous two chapters before the first attempt. Mystery Mask superior (43 / 45 / 47) is again essential for the finale, and the same lesson from Ch.2 applies harder: stalling fails, burst windows or you lose.

Filibuster Invasion (3-IN) sits outside the normal cluster structure — a one-off bonus stage that rewards the Filibuster Special Cat on completion. The drop is one of the best non-Uber Anti-Alien units in the game, so most players treat 3-IN as a priority run regardless of where they are in the main chapter.

Clearing Ch.3 is treated as a roster milestone in the community. Players who get through it have a fully developed Anti-Alien backbone, deep treasure investment across all three chapters, and key Ubers at True Form or Ultra Form levels.

Stages 49

  1. 3-1 Earth BOSS Mesocosmocyclone ◆ Humanity
  2. 3-2 Mars No Sp ◆ Martian Ruins
  3. 3-3 Jupiter BOSS Croco No Sp ◆ Gasses
  4. 3-4 Saturn ¢≥300¢ ◆ Mystery Rings
  5. 3-5 Venus BOSS Ursamajor ¢≥300¢ ◆ Gilded Stone
  6. 3-6 Mercury #Max 20 ◆ Water
  7. 3-7 Sun BOSS I.M. Phace #Max 20 ◆ Sunspot
  8. 3-8 Uranus BOSS Nimoy Bore Row 1 ◆ Purple Clock
  9. 3-9 Neptune Row 1 ◆ Trident
  10. 3-10 Triton ◆ Nitrogen
  11. 3-11 Pluto BOSS Doge No R/SR ◆ Darkness
  12. 3-12 Red Rectangle BOSS Bore No R/SR ◆ Geometry
  13. 3-13 Eskimo Nebula No R/SR ◆ Parka
  14. 3-14 Catseye Nebula ¢≤4000¢ ◆ Glint
  15. 3-15 Egg Nebula ¢≤4000¢ ◆ Yolk
  16. 3-16 Calabash Nebula ¢≤4000¢ ◆ Gourd
  17. 3-17 Altair #Max 20 ◆ Hawk
  18. 3-18 Sirius BOSS I.M. Phace #Max 20 ◆ Big Dog
  19. 3-19 Canopus #Max 20 ◆ Keel
  20. 3-20 Vega BOSS Doge Dark Row 1 ◆ Zither
  21. 3-21 Aldebaran Row 1 ◆ Bull
  22. 3-22 Betelgeuse BOSS Mesocosmocyclone Row 1 ◆ Orion’s Belt
  23. 3-23 Deneb BOSS Axoloty ◆ Swan
  24. 3-24 Cosmic Lounge R/SR/Sp ◆ Antennae
  25. 3-25 Sighter's Star R/SR/Sp ◆ Forehead
  26. 3-26 Kaiou R/SR/Sp ◆ Dad Jokes
  27. 3-27 Magellanic ¢≤1200¢ ◆ Milky Way
  28. 3-28 Buutara ¢≤1200¢ ◆ Humanoids
  29. 3-29 Moskandag ¢≤1200¢ ◆ Hope
  30. 3-30 Corona BOSS Mesocosmocyclone #Max 15 ◆ Pop Idol
  31. 3-31 Soba IV #Max 15 ◆ Tangy Sauce
  32. 3-32 Plumpit BOSS Bore #Max 15 ◆ Pickled Veggies
  33. 3-33 Darararah Row 1 ◆ Moon Rocks
  34. 3-34 Thanxbye BOSS Ursamajor Row 1 ◆ Space Colony
  35. 3-35 Mertoz BOSS Cli-One ◆ Cross
  36. 3-36 Urura BOSS Nimoy Bore Sp only ◆ Crescent Moon
  37. 3-37 Aguham BOSS Le'Solar Sp only ◆ Spaceship
  38. 3-38 Somolon BOSS Corporal Weyland Sp only ◆ Confetti
  39. 3-39 Ababwa ¢≥1200¢ ◆ Mushrooms
  40. 3-40 Titan BOSS Mesocosmocyclone ¢≥1200¢ ◆ Ominous Face
  41. 3-41 Skelling BOSS I.M. Phace ¢≥1200¢ ◆ The Force
  42. 3-42 Gorigori #Max 10 ◆ Monkey Gang
  43. 3-43 Broton #Max 10 ◆ Transmission
  44. 3-44 Crimson Star #Max 10 ◆ Cool Dude
  45. 3-45 N77 Nebula Row 1 ◆ 3 Minutes
  46. 3-46 Andromeda BOSS Shibalien Elite Row 1 ◆ Mythology
  47. 3-47 Black Hole BOSS Shibalien Elite No N/SR+1 ◆ Spacetime
  48. 3-48 The Big Bang BOSS Final Boss Giga-God !No CatGod ◆ Origin
  49. 3 3-IN Filibuster Invasion BOSS Filibuster Obstructa !No Cont