This Project Entropy review looks at FunPlus International’s free sci-fi MMO strategy game, which has been on Steam since April 16, 2024 and also runs on iOS and Android. You build a base on a hostile alien planet, field heroes alongside tanks, aircraft and mechs, and fight both alien beasts and rival alliances for territory. The premise is big. The player response is split almost down the middle, and the reasons are worth knowing before you install it.
The PC version is free on Windows, with optional in-app purchases. Play Project Entropy free on Windows PC.
Key Takeaways
- Free to play on Windows PC, iOS and Android, developed and published by FunPlus International AG
- Base building, hero formations and vehicle upgrades feed into real-time alliance wars on a shared region map
- Steam reviews are Mixed: 139 positive and 130 negative (about 52%)
- Mobile ratings are kinder: 3.8 stars on Google Play (87.2K reviews) and 4.4 on the App Store
- The most common complaint in negative Steam reviews is pay-to-win pressure in PvP
Setting and Factions

The official site sets the scene in 2099. A meteorite slams into humanity’s largest colony on planet Kepler-452B, 1,402 light years from Earth, leaving a crater with a radius of nearly 500 kilometers. The land inside it changes completely, and people start calling it the Entropy Zone. That’s where your base goes.
The Steam screenshots show four playable civilizations, Human, The Utu, Automatons and The Beasts, with a fifth slot marked Unknown. Planets come in Desert, Frozen, Scorching and Forest types. The faction choice matters beyond looks: heroes belong to a civilization, and some skills scale with how many heroes from the same faction share your formations.
Base Building and Heroes
The core loop will feel familiar to anyone who has played a mobile 4X game. You upgrade a Command Center to unlock more buildings, train troops at the Mobilization Center, and manage heroes at the Base Station. Talk Android’s guide lists five resources to juggle: food, metal, gold, iron and solar material. Rovers scout the map for resource nodes and new land.
Heroes are the strategic layer. Each one has specialties and a Fusion Skill, and community guides sort them into Leader, Damage, Buff and Debuff roles. You pair each hero with a vehicle and supporting weapons, then tune that vehicle’s arm, armor, propulsion and navigation systems. Steam’s marketing claims more than 100 characters, vehicles and weapons, so there’s plenty to collect. My Project Entropy tier list covers which ones are worth upgrading.
Combat, Grods and Alliance War

Battles mostly play out automatically. Your formations fight on their own, and you decide when to fire special abilities. On the region map you get more direct control, such as pulling a damaged unit back. The App Store listing describes the PvE side as fights against alien Grod beasts, which are also a key source of resources. My Project Entropy Grods guide covers the documented types and the best heroes against them.
The real endgame is alliance warfare. Alliances battle each other on the region map for territories and resources, and Steam’s own screenshot promises team-ups with more than 100 players. In-game chat with real-time translation helps international alliances coordinate. The game is also built around seasons that add new planets, challenges and rewards, according to the Steam page.
Monetization: The Big Question
Project Entropy is free, but the App Store lists in-app purchases from $0.99 to $99.99, a $29.99 Battlepass and $9.99 Subscription Perks. The game also contains loot boxes, per Apple’s age rating notes.
This is where player opinion turns. Many negative Steam reviews describe the PvP side as pay-to-win, and one warns that missing a day or two can leave you far behind unless you spend to catch up. On the other hand, the positive reviews come from players with hundreds of hours who enjoy the alliance play. One reviewer sums the game up as similar to Last War, which is a fair reference point: if that style of game appeals to you, this will too.
Player Numbers and PC Requirements

Most of the audience is on mobile. Google Play shows over 1 million downloads and an update as recent as October 15, 2026, while SteamCharts records an all-time Steam peak of 328 concurrent players. The PC client is light: Steam asks for 64-bit Windows 7 SP1 or newer, an Intel Core 2 Duo E6400, 4 GB of RAM, a GeForce GTX 460 and 8 GB of storage. Cross-platform multiplayer means PC players share servers with mobile ones. My Project Entropy Steam vs mobile guide explains how to move a mobile character to PC.
Pros and Cons
Pros
- Free to play on Windows, iOS and Android, with cross-platform multiplayer
- Deep hero, vehicle and supporting weapon customization
- Large-scale alliance wars and seasonal content
- Very low PC requirements (4 GB RAM, 8 GB storage)
- Real-time chat translation for international alliances
Cons
- Mixed Steam reviews, with frequent pay-to-win complaints about PvP
- Combat is mostly automatic, so tactical control is limited
- Steam reviewers report bugs and loading problems
- Small Steam player base compared with the mobile audience
Project Entropy Review Verdict
I’d rate Project Entropy 6.5/10. It’s a competent, good-looking sci-fi take on the alliance-war strategy genre, with more customization than most rivals and a setting that has some personality. But the Steam split of 139 positive to 130 negative reviews tells the story: players who want a long-term alliance game find plenty to do, while players who dislike spending pressure in PvP tend to bounce off fast. It costs nothing to try, so the smart move is to play the opening chapters and judge the pace yourself. Download Project Entropy free for Windows PC.
FAQ
Is Project Entropy free on PC?
Yes. It’s free to play on Windows, with optional in-app purchases.
Is Project Entropy pay to win?
Many Steam reviewers say spending gives a big edge in PvP. Everything is free to download and play, but competitive players should expect spenders at the top.
Who makes Project Entropy?
FunPlus International AG develops and publishes it.
Can PC and mobile players play together?
Yes. Steam lists cross-platform multiplayer.
Starting out? My Project Entropy beginner guide covers your first buildings and heroes, and the Project Entropy tier list ranks the best heroes and vehicles. For another free MMO, read my Ragnarok Zero review, or browse the MMO Strategy section. Game info and downloads are on the official Project Entropy website.