The Game Census
Cosmobreeder Yiffai cover art

Cosmobreeder Yiffai

KEMOSHOCO · 2025-04-24

Steam

ActionAdventureIndie

Modes: Single player · Perspectives: Side view

Releases: Apr 24, 2025 (PC (Microsoft Windows))

Travel to a forgotten world and study alien creatures in this authentic retro metroidvania!

84%
positive of 174 reviews
Very Positive
steam's rating (official)
0–20,000
owners (SteamSpy est.)
platinum
deck/linux tier (ProtonDB)
$14.99
steam price (US)

In an age of faster-than-light travel and advanced cyber-robotics, brave explorers known as Cosmobreeders travel to forgotten worlds and study alien creatures. Play as a lone Cosmobreeder shot down over Planet Tutone, a world fallen to ruin and haunted by ancient betrayal. Your comrades have been captured, your equipment stolen. Armed with only your wits, traverse ancient service tunnels, eerie alien forests, and deep volcanic caverns. Reclaim your gear, uncover alien artifacts, and awaken mysterious ESPer abilities to survive the planet’s numerous dangers. Navigate hundreds of intricate roo(Storyline via IGDB)

Health check

Quiet
  • · 17 reviews in the last 8 weeks (~2/week).
  • · Review velocity up 31% vs the prior 8 weeks.
  • · Current weekly pace is under 5% of the all-time peak week (57 reviews).
  • · Top 51% of 14,218 Action games in the census by review count.
Estimated sales: 3.5k–7.8k copies

Review-multiple estimate from 174 total reviews — how this is computed.

All-time low: $11.24 at Steam (2025-12-18)via IsThereAnyDeal

12-month high $14.99 · on sale 4 of 8 observed days (census price snapshots)

Review momentum

PositiveNegative
525220252026Week of 2025-04-24: 52 positiveWeek of 2025-04-24: 5 negativeWeek of 2025-05-01: 19 positiveWeek of 2025-05-01: 9 negativeWeek of 2025-05-08: 8 positiveWeek of 2025-05-08: 2 negativeWeek of 2025-05-15: 6 positiveWeek of 2025-05-22: 4 positiveWeek of 2025-05-29: 1 positiveWeek of 2025-05-29: 3 negativeWeek of 2025-06-12: 2 positiveWeek of 2025-06-19: 2 positiveWeek of 2025-06-26: 1 positiveWeek of 2025-07-03: 1 positiveWeek of 2025-07-10: 1 positiveWeek of 2025-07-10: 1 negativeWeek of 2025-07-24: 1 positiveWeek of 2025-07-31: 1 positiveWeek of 2025-08-14: 1 positiveWeek of 2025-08-21: 1 positiveWeek of 2025-08-28: 2 positiveWeek of 2025-09-04: 1 positiveWeek of 2025-09-11: 1 positiveWeek of 2025-10-09: 1 negativeWeek of 2025-10-16: 2 positiveWeek of 2025-11-13: 1 positiveWeek of 2025-11-20: 4 positiveWeek of 2025-11-27: 4 positiveWeek of 2025-12-04: 1 positiveWeek of 2025-12-18: 3 positiveWeek of 2025-12-25: 2 positiveWeek of 2026-01-01: 1 positiveWeek of 2026-01-08: 1 positiveWeek of 2026-01-08: 1 negativeWeek of 2026-02-12: 1 positiveWeek of 2026-02-26: 1 positiveWeek of 2026-04-09: 1 positiveWeek of 2026-04-23: 2 positiveWeek of 2026-04-30: 2 positiveWeek of 2026-04-30: 2 negativeWeek of 2026-05-14: 1 positiveWeek of 2026-06-25: 3 positiveWeek of 2026-07-02: 1 positiveWeek of 2026-07-09: 2 positiveWeek of 2026-07-30: 1 positiveWeek of 2026-07-30: 1 negativeWeek of 2026-08-13: 1 positiveWeek of 2026-08-13: 1 negativeWeek of 2026-08-20: 1 positiveWeek of 2026-08-20: 1 negativeWeek of 2026-08-27: 1 positive
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Price history

$14.99$11.242025-04-242026-07-092025-04-24 — best price $12.742025-05-05 — best price $14.992025-06-27 — best price $11.992025-07-10 — best price $14.992025-09-29 — best price $11.992025-10-06 — best price $14.992025-12-18 — best price $11.242026-01-05 — best price $14.992026-03-19 — best price $11.992026-03-26 — best price $14.992026-06-25 — best price $11.242026-07-09 — best price $14.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

60+
achievements tracked
93.4%
earned "Special Item Collector: Bronze"
24.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportGamepad RecommendedDualShock Controller SupportSteam CloudFamily Sharing

1 supported languages: English

Player tags

2DDogCuteRetroActionSci-fiAdventureControllerOld SchoolPlatformer

Census log

Computed from census-recorded observations only — dates are observation dates.

Players also track

Blade & BonesBIOMORPHSELINIOnly Up: With FriendsXanthiom 2

Similarity via IGDB.