How many people are playing Project Cartaphilus right now?

0 people are playing Project Cartaphilus on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.

What is Project Cartaphilus's all-time peak player count?

The highest concurrent player count we've seen for Project Cartaphilus on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.

Is Project Cartaphilus good? What do Steam reviews say?

100% of 9 Steam user reviews are positive.

How much does Project Cartaphilus cost on Steam?

Project Cartaphilus costs $0.99 on Steam (US). The lowest price we've recorded is $0.49.

Project Cartaphilus

by DOMYO · Released Sep 30, 2023 · App ID 1877850

Steam Deck Unknown

Open in Steam＋ Add to list Compare

Players now

newvs 24h ago · updates every minute

Review score

100% positive

9 user reviews9 reviews

24h peak

Highest seen since tracking began Nov 1, 20260

Price on Steam

$0.99

Lowest ever $0.49 Nov 2026

Owners (est.)20K–50K

Concurrent players

Last 7 days · history since Nov 1, 2026

Loading…

Players onlineSteam sale started

Media & details

Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.

Loading from Steam…

Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$0.99

Buy

Other authorized stores

No authorized Steam key store lists this game right now.

Checking other stores…

Editions and bundles on Steam

Project CartaphilusEdition
$0.99
View Project Cartaphilus on Steam
Open this Steam page in…
Always use thisNo Steam app on this device? We'll notice and open the page in your browser instead. You can change this anytime at the bottom of any page.

Loading from Steam…

Reviews

100% positive of 9 · 9 user reviews · Live from Steam

SortLanguage

Loading reviews from Steam…

Steam Deck

Not tested by Valve yet. Results from Valve's own testing.

Steam Deck Unknown

Valve hasn't published test details for this game.

Steam Deck

Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

No builds or news yet.

Patches & builds

Demo

Free on Steam. The demo has its own app, so its players are counted separately.

Play demo on Steam

Demo players now: —
24h peak: —
Highest seen: —
Demo : full game now: —

Quick answers about Project Cartaphilus

How many people are playing Project Cartaphilus right now?: 0 people are playing Project Cartaphilus on Steam right now. In the last 24 hours it peaked at 0 players. The number updates every few minutes.
What is Project Cartaphilus's all-time peak player count?: The highest concurrent player count we've seen for Project Cartaphilus on Steam since tracking began on Nov 1, 2026 is 0. We have no player history from before then, so its all-time peak may be higher.
Is Project Cartaphilus good? What do Steam reviews say?: 100% of 9 Steam user reviews are positive.
How much does Project Cartaphilus cost on Steam?: Project Cartaphilus costs $0.99 on Steam (US). The lowest price we've recorded is $0.49.

Live data from Steam, tracked by SteamPlayerBase.

Store info

어느 날 한 연구실에서 눈을 뜬 주인공 "하연". 하연은 아무도 없는 낯선 곳에서 눈을 뜬다. 계속 사람을 찾아보지만 아무도 없었고 그러다 로봇을 만나게 된다. 로봇이 말하길 세상이 멸망하여 내가 마지막 생존자라 말한다. 또한 하연이 세상을 되돌릴 열쇠라는 사실을 전하는데...

Developer: DOMYO
Publisher: DOMYO
Release date: Sep 30, 2023
Install size: 750 MB minimum
Platforms: Windows
Genres: Adventure, Casual, Indie · All

Change history

Renames, release dates and Steam Deck ratings

History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 100% on 2026-11-01 → 100% today (9 reviews)

Nov 3, 2026Sale ended$0.99
Nov 1, 2026Sale −51%$0.49 (was $0.99)

Project Cartaphilus

Key stats

Concurrent players

Media & details

Where to buy

Other authorized stores

Editions and bundles on Steam

Reviews

Steam Deck

Steam Deck

Patches & builds

Patches & builds

Demo

Quick answers about Project Cartaphilus

Related games

Related games

Store info

Change history

History

History

Quick answers about Project Cartaphilus

History

Patches & builds

Steam Deck

Related games