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MewnBase

MewnBase

MewnBase is a space-cat survival and base-building game. Scavenge around a barren planet for items to keep you fed. Explore and collect resources. Craft items and grow your base to help you survive.

Released Oct 30, 2023 Developer Cairn4 Platforms Windows · Linux Base-BuildingCraftingCuteExplorationSandbox
View on Steam ↗ $9.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

93.3%positive1,379 reviews
Recommended · 0 found this helpful

“Overall, this game is very good! It is very satisfying and smooth, just really with there was multiplayer. I love the idea that you can expand your base as far as you want, and I would want for there to be more things to do as well as more biomes to explore, and so you could use…”

— a player, Steam review · 30 hrs played
Recommended · 0 found this helpful

“Yes”

— a player, Steam review · 4 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:55 UTC · history via SteamCharts.

5playing at last check
824-hour peak
96all-time peak
0 25 50 2019 2021 2023 2025 30 avg · Dec 2018

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

21achievements
19.2%median completion
2.2%rarest: Galactic Explorer
57.7% of players 51.9% of players 46.6% of players 39.2% of players 33.2% of players 30.6% of players 29.8% of players 25.3% of players 22.3% of players 19.9% of players 19.2% of players 15.5% of players 10.5% of players 9.3% of players 8.3% of players 7.5% of players 4.6% of players 4.3% of players 4.0% of players 3.8% of players 2.2% of players 57.7% 0% most earned rarest
Almost everyone has
57.7%Junior Scientist — Research 1 Artifact
51.9%Getting Cozy — Construct a Habitat Module
46.6%Cat Toys — Unlock 1 tech upgrades
Rarest badges of honor
2.2%Galactic Explorer — Complete 10 missions
3.8%Furever Dark — Complete an Only Night mission
4.0%Nap All Day — Complete a Long Night mission

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-07-26 08:39 UTC
$9.99lowest since tracking began2026-07-11
US9.99 USD
EU8.19 EUR
UK7.19 GBP
Australia14.50 AUD
Canada11.49 CAD
Japan1,010 JPY
Brazil20.69 BRL
China37.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$4.1 China Japan Canada EU UK US Australia≈$10

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

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

Nov 08, 2025
v1.0.2 - Pinned recipes and bug fixes

Finally had the energy to get this small update live!Added ability to pin a crafting recipe's ingredients to the HUD.Steam: Added some warning text for when game modes or settings would disable Steam

Nov 19, 2023
v1.0.1 Hotfix

Bug fixes: Fixing some index-out-of-bounds errors when quickly consuming and moving inventory stacks to/from a storage container, Dozer trunk, or trailer. Preventing an index-out-of-bounds with the in

Nov 01, 2023
MewnBase v1.0 is now out!

Hard to believe the dev-log entries that say I started working on this little game way back in 2015 ^_^; Spoilers: scroll way down for a few old screenshots from back then. If you're reading this, tha

Oct 01, 2023
MewnBase 1.0 Release Candidate up for testing

RELEASE CANDIDATE BUILD for v1.0 is now up on Steam and itch.io. In Steam you can access it by right clicking on the game in your library -> properties -> Betas -> and opt into the 1.0-rc version. Bac

Nov 12, 2022
v0.55 - November 2022 Update

New Features and Changes New item: Rock Pile made from a stack of 20 Rocks, can be placed on ground. Gates now look nicer when placed in a row or column next to each other. Opening/closing one will au

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresCasual, Indie, Simulation
Player tagsBase-Building · Crafting · Cute · Exploration · Sandbox · Survival · Space · Building · 2D · Action-Adventure · Top-Down · Open World (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Family Sharing
LanguagesEnglish, French, Italian, German, Spanish - Spain, Portuguese - Portugal, Portuguese - Brazil, Russian, Turkish, Bulgarian, Finnish, Polish, Ukrainian
Achievements21
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttp://www.cairn4.com
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7+ Processor: 2.0 ghz Dual Core Memory: 4 GB RAM Graphics: Intel HD4000 or higher with OpenGL 2.1+ Storage: 200 MB available space Sound Card: OpenAL supported sound card