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Screeps: World
Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.
In short, Steam reviewers most often praise “automation strategy depth” (35 of 85 reviews) and “persistent competitive worlds” (8); the most common complaint is “steep learning curve” (10). What reviewers agree on ↓
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27 · quoted reviews as of 2026-05-12.
What reviewers agree on
35 of the 85 reviews raise this.
“Awesome game. Very balanced and deep gameplay. The UX could use a bit of improvement, but overall, very very good game. Anyway, if you are new to the game, go to Discord and join the community, it's a long road, people…”
8 of the 85 reviews raise this.
“Online programming MMO, write scripts to control robots and build rooms to defend or attack nearby players. Been on and off playing this for years and had a lot of fun. Came back to playing full-time in the recent…”
“This is probably the ultimate coding game. If you're into coding for fun, and into MMO PvP, this is the premier game for sure.”
“Fun on small servers. I have no interest in joining the huge servers with long-established bases though.”
4 of the 85 reviews raise this.
“The game has been a fun way to be creative with my technical skills as a programmer. If you enjoy factory and strategy games, this is a solid challenge to take on.”
10 of the 85 reviews raise this · 9 of them still recommend the game.
“From one who started playing with ZERO coding experience the learning curve is STEEP. Despite this its super addictive and i've found myself spending way too much time scratching my head on why my code isn't working…”
5 of the 85 reviews raise this · 4 of them still recommend the game.
“This game introduced me to Javascript. Of course I used JS before, but for webpage buttons. It should have stayed there, on the webpage. Such a cancer of a language I must say. It should be banned on international…”
4 of the 85 reviews raise this · 2 of them still recommend the game.
“Awesome game. Very balanced and deep gameplay. The UX could use a bit of improvement, but overall, very very good game. Anyway, if you are new to the game, go to Discord and join the community, it's a long road, people…”
“I love the concept and probably I would love the game too, but I can't play it. It seems a great and funny way to practice some javascript, BUT I find no option for UI scaling in this game. I need UI scaling so I can…”
“A dynamically typed language makes this game almost unplayable from the start. Error messages do not include a stack trace. My rooms disappear along with my code the instant I log out having the game treat me as a new…”
4 of the 85 reviews raise this · 2 of them still recommend the game.
“Steam Playtime: 176.7 hrs Actual Playtime: wayyyyyyyyyy more than that. xD Why: 1. time spent daydreaming about the next fun feature to implement in your bot 2. time spent debugging said feature that is crashing your…”
“A dynamically typed language makes this game almost unplayable from the start. Error messages do not include a stack trace. My rooms disappear along with my code the instant I log out having the game treat me as a new…”
3 of the 85 reviews raise this · 1 of them still recommend the game.
“A dynamically typed language makes this game almost unplayable from the start. Error messages do not include a stack trace. My rooms disappear along with my code the instant I log out having the game treat me as a new…”
Counted across 85 English reviews, sampled to match this game's 86.4% positive rating · as of 2026-05-12
“Screeps: World, developed and published by Screeps, LLC, is a strategy game that fundamentally redefines what it means to “play” an RTS. Rather than directly commanding units in real time, players are tasked with writing JavaScript code that governs every action their colony…”
— a player, Steam review · 15 hrs played“I've enjoyed playing this game quite a bit. It can feel daunting at first if you haven't programmed before but it's helped me a lot. I would recommend reading through the API and documentation because it provides a lot of useful starter code for your bot. The screeps community…”
— a player, Steam review · 1,398 hrs played“A very fun sandbox coding game, various different in-game systems to tackle most of which can be done at your own pace or ignored if desired. Devs have recently stated their headed back to working on it after a hiatus. Best played from the ground up and not with a pre-packed…”
— a player, Steam review · 2,328 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
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.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-22). 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.
Season #11 starts on September 1
What is Season World? It's a parallel world where all players start on equal terms. Everyone has GCL 1/GPL 0, equal 100 CPU from the start (which does not scale with GCL). The world will last until No
10th Anniversary and Free Season
Friends, we have something to celebrate! 10 years ago, on June 20, 2016, after a crowdfunding campaign and the development of an early browser prototype, we launched Screeps in Early Access on Steam.
New shard + Unlimited Access Keys Pack
New shardThe world just got bigger! We're excited to announce the launch of a brand new shard called shardX. It is connected to all other shards via portals and becomes an integral part of the larger
Node.js v24 upgrade
⬆️ Upgraded all runtime servers to Node.js v24⬆️ Updated client binaries and NW to the latest version⬆️ Updated to Pixi v7 and backported room renderer fixes and optimizations made during the developm
Node.js v24 upgrade
We’re excited to announce that on April 1st (and no, this is not a joke!), we plan to upgrade to Node.js v24 across all game runtime servers! The current version v10 is long overdue for an update. As
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-12.
| Genres | Indie, Massively Multiplayer, Simulation, Strategy |
| Player tags | Programming · Strategy · Massively Multiplayer · Open World · Sandbox · Logic · Base-Building · RTS · Minimalist · Difficult · Economy · Hacking (SteamSpy community voting) |
| Features | Single-player · Multi-player · MMO · PvP · Online PvP · LAN PvP · Cross-Platform Multiplayer · Steam Trading Cards |
| Languages | English |
Minimum system requirements (PC)
Minimum: Network: Broadband Internet connection Storage: 500 MB available space