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I got a millenary cat

Adult Only · 18+

I got a millenary cat

One day, you take home a wounded kitten to raise her... but who would have thought that she'd take on a human form!? My Millenary Kitty is an idle game with a casual playstyle, where you observe the life of a cat girl.

Released Oct 6, 2022 Developer CatBellUnion Publisher Mango Party, Mango Party News Platforms Windows
View on Steam ↗ $6.99 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

85.6%positive743 reviews
Recommended · 1 found this helpful

“The Neko Girls are cute... Their characters are adorable, the designs are great, and their voices are lovely too. I can't stop looking at those adorable faces! As for that scene... yeah... it's not bad. You can also disable that feature. Lol. But the story... Yeah, it's alright.…”

— a player, Steam review · 6 hrs played
Recommended · 0 found this helpful

“The game is more simple than I had imagined, but the story is cute.”

— a player, Steam review · 28 hrs played
Not recommended · 5 found this helpful

“Work, feed, ♥♥♥♥ H "game" about an abandoned cat. BORING! 4/10 A few things were good, most of it was not. Pros: Consensual H scene on win with half gallery. ADORABLE pixel art animation. Solid sushi mini game. Cons: No gallery for pixel art, which is the best part of this whole…”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2026-07 via SteamCharts; self-collected from the Steam API since Aug 2026.

236all-time peak
0 25 50 2023 2024 2025 2026 No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period 34 avg · Oct 2022

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

37achievements
40.1%median completion
3.9%rarest: True Love
97.2% of players 87.2% of players 85.3% of players 84.8% of players 79.9% of players 78.1% of players 67.4% of players 66.1% of players 65.3% of players 61.3% of players 61.2% of players 57.5% of players 55.4% of players 55.1% of players 47.1% of players 44.9% of players 44.0% of players 43.9% of players 40.1% of players 35.5% of players 35.1% of players 33.6% of players 26.5% of players 24.3% of players 22.7% of players 21.6% of players 17.8% of players 17.4% of players 10.5% of players 10.2% of players 6.8% of players 5.8% of players 5.2% of players 5.0% of players 4.2% of players 4.1% of players 3.9% of players 97.2% 0% most earned rarest
Almost everyone has
97.2%Snatch Dat Cat — Save the kitty cat
87.2%10% — Reach Spirit Power Lv.1
85.3%What a Good Guy — Reach Relationship Lv.1
Rarest badges of honor
3.9%True Love — Complete all achievements
4.1%Purrrvy Human! — Conjugate with the cat 69x
4.2%Stomach Whisperer — Make 100 meals

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 25, 2024
Taiwan Love Story⁵ - An Unforgettable Journey of Romance with Five Charming ladies!

https://clan.akamai.steamstatic.com/images/41075428/4d862846242671374e653cc464a95ab2a9b27633.gif About Game Taiwan Love Story⁵ is an interactive romance novel. While studying abroad, you attend a coha

Jul 12, 2024
NTR Office - Defend your love or choose to be cuckolded, it's all up to you!

https://clan.akamai.steamstatic.com/images/41075428/3e6cebf2d0ef4491e9d70e2a351bab4b4e5fa5c2.gif About Game You work at a poorly managed pharmaceutical company, where your girlfriend is your team lead

Jun 21, 2024
Dead-End City Blues - Infiltrates the city of sin, and defeat comes with a price!

https://clan.akamai.steamstatic.com/images/41075428/6ba067df07b2afc73333a6fb5d0d1adf64e5de48.png About Game 2080, Japan. Neo-Yokohama is a chaotic, violent hellhole. With the police nowhere to be seen

Jun 08, 2024
Countdown to an Amazing Summer: Four Blockbuster Games from Mango Party Coming Soon!

https://clan.akamai.steamstatic.com/images/41075428/e900087d0f43000012fea260117d889dbe90df7f.jpg Summer is just around the corner! Don't go out in the scorching heat, stay home with Mango Party and en

Jun 07, 2024
Latex & Tentacles - Play as the Evil Tentacle, Controlling Slaves and Corrupting the World!

https://clan.akamai.steamstatic.com/images/41075428/8ae3616618254f3861e80eccbb5196305f680df1.png About Game Latex & Tentacles is a tower management and sidescroller game. Play as the forces of evil, a

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresCasual, Indie
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Partial Controller Support · Steam Cloud · Family Sharing
LanguagesEnglish * , Japanese * , Traditional Chinese * , Simplified Chinese * , Korean, Russian *
Achievements37
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows®7 / 8 / 8.1 / 10 (64bit) Processor: Intel Pentium 4 processor or later Memory: 8 GB RAM Graphics: Nvidia GTX1050 or later DirectX: Version 9.0c Storage: 1 GB available space Sound Card: DirectX 9.0c Compatible Additional Notes: Support keyboard or XBOX controller