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Project Castaway

Project Castaway

Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.

Released Mar 17, 2026 Developer Mardonpol Inc. Platforms Windows · Linux RPGExplorationOpen World Survival CraftSurvivalSandbox
View on Steam ↗ $19.99 (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.

69.5%positive1,208 reviews
Recommended · 24 found this helpful

“Not gonna lie, I was invested... 43 hours in just to realize that the "Quests" don't Activate in Coop. No Bottle Notes, No Sticky Notes, No Quest Completion. Kind of Annoying. The game is fun, I mean I made it 40+ hours Scavenging, Building, Exploring before I even realized…”

— a player, Steam review · 40 hrs played
Recommended · 13 found this helpful

“I truly don't understand where all the hate for this game comes from. It's a bare bones survival game. This is EXACTLY how it would be if you were stranded on an island irl. Of course gathering resources will be repetitive. Of course you'll have to sleep and do things to…”

— a player, Steam review · 71 hrs played
Not recommended · 49 found this helpful

“This game could be so good! The 3 hours i spent playing co-op in the 1.0 release was much more enjoyable than all the time spent in the game solo so far (about 16 hrs because solo is a slog). Co-op being shoehorned in will most likely be its downfall. Not because of the co-op…”

— a player, Steam review · 21 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-24 01:15 UTC · history via SteamCharts.

34playing at last check
6924-hour peak
1,167all-time peak
0 500 1k 2025 2026 676 avg · Sep 2024

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.

59achievements
2.0%median completion
0.0%rarest: Good Health
20.6% of players 18.7% of players 17.7% of players 16.2% of players 12.6% of players 11.4% of players 11.2% of players 10.7% of players 10.2% of players 10.1% of players 10.0% of players 9.1% of players 8.6% of players 7.9% of players 7.3% of players 7.0% of players 6.8% of players 6.2% of players 6.0% of players 4.7% of players 4.3% of players 4.3% of players 4.1% of players 4.1% of players 3.8% of players 3.8% of players 3.4% of players 3.0% of players 2.3% of players 2.0% of players 1.8% of players 1.7% of players 1.7% of players 1.7% of players 1.6% of players 1.6% of players 1.2% of players 1.2% of players 1.1% of players 1.0% of players 0.8% of players 0.7% of players 0.6% of players 0.6% of players 0.6% of players 0.5% of players 0.3% of players 0.2% of players 0.2% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 0.0% of players 0.0% of players 0.0% of players 20.6% 0% most earned rarest
Almost everyone has
20.6%Tree, Meet Axe — Cut down your first tree
18.7%Gross — Skin your first animal
17.7%Johnny Castaway — Completed the tutorial
Rarest badges of honor
0.0%Good Health — Completed "Good Health" Challenge
0.0%Escape Artist — Completed "Escape Artist" Challenge
0.0%Coconut Devourer — Eat 1000 Coconuts

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$19.99current · sampled 2026-07-26 08:39 UTC
$19.99lowest since tracking began2026-07-25
US19.99 USD
EU16.89 EUR
UK14.42 GBP
Australia30.93 AUD
Canada21.85 CAD
Japan2,010 JPY
Brazil54.76 BRL
China73.27 CNY

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

Brazil≈$11 China Japan Canada UK EU US Australia≈$22

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

Latest official news

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

Apr 23, 2026
Project Castaway 1.0.6

Added co-op missing synchronization scenarios*: Placing non-buildable carriables. For example, turtle shells, surfboards, etc. Item consumption output. For example, consuming canned beans converts int

Mar 30, 2026
Project Castaway 1.0.5

Fixed unintended random session joining when pressing enter with no input or just whitespaces. Fixed inability to revive player after a save file is loaded, if saved while they were on a downed state.

Mar 26, 2026
Project Castaway 1.0.4

We have noticed unusual traffic on our servers, and have added some safety measures to track and prevent spam. To continue enjoying co-op, please update to version 1.0.4. The project castaway team

Mar 24, 2026
Project Castaway 1.0.3

Fixed some players unable to authenticate. This should cover the last authentication fixes. On co-op, airplane sequence toggle is greyed out. Airplane sequence toggle is on by default. Once on the air

Mar 20, 2026
Project Castaway 1.0.2

Your Steam display name is not between 3 and 25 characters. Your Steam display name is not unique. Fixed environment going black (or another erratic symptom) and inability to save when this happens. F

Games like Project Castaway

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Stranded Deep Stranded Deep 73.7% · 25,169 reviews shares Underwater, Open World Survival Craft, Crafting, Building Nightingale Nightingale 71.0% · 11,996 reviews shares Open World Survival Craft, Base Building, Crafting, Building Raft Raft 93.6% · 149,516 reviews shares Underwater, Open World Survival Craft, Base Building, Crafting Satisfactory Satisfactory 97.5% · 156,688 reviews shares Open World Survival Craft, Base Building, Resource Management, Crafting Green Hell Green Hell 85.0% · 33,685 reviews shares Open World Survival Craft, Base Building, Crafting, Building Volcanoids Volcanoids 83.5% · 5,839 reviews shares Open World Survival Craft, Base Building, Crafting, Building Voidtrain Voidtrain 72.5% · 4,692 reviews shares Open World Survival Craft, Base Building, Crafting, Building ARK: Survival Evolved ARK: Survival Evolved 80.0% · 329,837 reviews shares Open World Survival Craft, Base Building, Crafting, Building

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

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

GenresAction, Adventure, Casual, RPG
Player tagsRPG · Exploration · Open World Survival Craft · Survival · Sandbox · First-Person · Open World · Underwater · Base-Building · Action · Realistic · Casual (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Online Co-op · Steam Achievements · Full controller support · Family Sharing
LanguagesEnglish * , French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Portuguese - Portugal, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese *
ControllerFull support
Achievements59
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttps://mardonpol.com/
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: Intel Core i3-6100 or equivalent CPU Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 970 or AMD equivalent Storage: 4 GB available space Additional Notes: Does not work well with integrated GPUs