←BACK TO MAP
CATS OF THE COSMOS › COSMOS CH.3 — EVEN STARS BURN OUT › 3-9 NEPTUNE STAGE 105 / 145

3-9 NEPTUNE

◆Trident ↑Row 1

3-9 Neptune is the 9th stage of Cosmos Ch.3 — Even Stars Burn Out. Previous stage: 3-8 Uranus. Next stage: 3-10 Triton.

SPAWN ORDER
ENEMY ROSTER · 3
Mesocosmocyclone
AlienStarred Alien Warp Area
Helmut Krabbe
Alien Survive Area
Le'Solar
AlienStarred Alien Barrier 40k Area
CATS TO CONSIDER
🛡️ Break the Barrier

Le'Solar carries a Barrier (up to 40,000 HP) — your hits are absorbed until it's broken.

Le'Solar's 40,000 Barrier needs a guaranteed 100% Barrier Breaker — chance-based units stall and waste your damage window.

Fencer Cat FENCER CAT A Super Rare Guaranteed 100% Barrier Breaker at long range — the reliable accessible breaker. Bora BORA S Uber Rare 100% Barrier Breaker reliably cracks Star Alien Barriers. Also fits “Counter Alien.” Lumina LUMINA S Legend Rare 100% Barrier Breaker opens Star Alien Barriers for the team. Also fits “Counter Alien.” Gravi GRAVI S Uber Rare 100% chance to break Barriers. Also fits “Counter Alien.” Komori KOMORI S Uber Rare 100% chance to break Barriers. Also fits “Counter Alien.” Mizli MIZLI S Uber Rare 100% chance to break Alien Barriers. Also fits “Counter Alien.”
↓ BACKUP — WON'T RELIABLY WORK HERE
Li'l Gross Cat LI'L GROSS CAT B BACKUP Special 30% break chance — bounces off the 40,000 Barrier; backup only. Space Cat SPACE CAT A BACKUP Rare 50% break chance — bounces off the 40,000 Barrier; backup only. Little Leaguer Cat LITTLE LEAGUER CAT S BACKUP Super Rare 35% break chance — bounces off the 40,000 Barrier; backup only.
🎯 Counter Alien

Mesocosmocyclone, Helmut Krabbe and Le'Solar are Alien. Anti-Alien units take less damage and deal more.

Gross Cat GROSS CAT A Normal Its True Form is Strong Against Alien, giving budget anti-Alien value. Li'l Gross Cat LI'L GROSS CAT B Special True Form has a 30% Knockback vs Alien. Also fits “Break the Barrier.” Bakery Cat BAKERY CAT A Rare Curses Alien enemies. Miter Saw Cat MITER SAW CAT A Super Rare Resistant to Alien and deals Massive Damage to Alien. Also fits “Break the Barrier.” Tekachi TEKACHI A Uber Rare Resists and dodges Alien attacks. Also fits “Break the Barrier.”
STRATEGY

Mesocosmocyclone hits at 5-frame attack rate (extreme DPS) and Warps FORWARD. Crowd-control with Seafarer Cat or Corrupted Psychocat; ELEMENTAL PIXIES Ubers are ideal.

ENEMY BASE
3-9 Neptune enemy base
BASE HEALTH
460,000
460,000 HP

The castle you destroy to clear the stage.

STAGE DATA
SAGACats of the Cosmos
CHAPTERCosmos Ch.3 — Even Stars Burn Out
ENEMIES3
TREASURETrident
RESTRICTION↑Row 1
← PREVIOUS 3-8 URANUS NEXT 3-10 TRITON →
MORE IN COSMOS CH.3 — EVEN STARS BURN OUT All 49 stages
3-6 Mercury3-7 Sun3-8 Uranus3-10 Triton3-11 Pluto3-12 Red Rectangle