You want a real-time strategy game that runs in your browser, costs nothing, and needs no download and no account. That is a small list, smaller than the search results pretend. Here is the honest version: what actually exists in 2026, what each one is really like, and the one we built ourselves.
Why the list is short
The RTS genre moved to downloads years ago. The famous names (StarCraft, Age of Empires, Command and Conquer) are all install clients now, and even the open-source revival engines like OpenRA are downloads that ask for original game files. What is left in the browser is a handful of indie projects and emulator sites. Most listicles pad this out with tower defense games and turn-based titles. We will not. Everything below is genuinely real-time, genuinely in the browser, and genuinely free.Sands of Planet T
Full disclosure: this one is ours, so judge it yourself. Sands of Planet T is a free browser RTS in the classic mold: you build a base, run harvesters over spice fields, raise an army, and fight three rival houses, the Fremen clans and a machine-mind called the Matrix for control of the planet. Full campaign, skirmish mode, save and load, fog of war, co-op multiplayer through a shareable room link, on desktop and mobile. No download, no account, no card. If you grew up on Dune 2000 and Command and Conquer, the Planet T game is the closest thing to that loop running in a browser tab today. Play Planet T free.Little War Game
The purist's pick. A free browser RTS with workers, resources, unit production and a proper tech ladder, openly modeled on WarCraft-style play. It even has multiplayer lobbies and a map editor. The presentation is bare and the community is small, but mechanically it is the real thing in a tab.Strike Tactics
An HTML5 RTS with modern-looking 3D units, base building and online matches. Free in the browser, with optional accounts for stats. Performance depends on your machine, and the player base is thin at off-peak hours, but for a quick ladder-style match in a tab it delivers.Feudal Wars
The medieval option. A compact free browser RTS with knights, castles and resource gathering, playable solo against AI or online. Simpler than the others here, which makes it the friendliest starting point if you are new to the genre.The classics through emulation
Dune 2000, the original Command and Conquer and other 90s RTS games run in browser emulators on sites like dos.zone and archive.org. Zero install, instant nostalgia, but fragile saves and a legal grey area that varies by country. We broke down every option for the best of them in how to play Dune 2000 in your browser.How to choose
The full classic loop with a campaign and co-op: Sands of Planet T. WarCraft-style mechanics purity: Little War Game. A quick modern-looking online match: Strike Tactics. Total beginner or younger player: Feudal Wars. Pure nostalgia: the emulator route. Every option here is free and none of them ask for a download.Questions people actually ask
Are there any good free RTS games that run in a browser?
Yes, but the list is short: Sands of Planet T, Little War Game, Strike Tactics and Feudal Wars are the genuinely real-time, genuinely free options, with browser emulators covering the 90s classics.
Do I really not need to download anything?
Correct. Every option on this page runs in the browser tab. The famous RTS franchises (StarCraft, Age of Empires) and revival engines like OpenRA are downloads, which is why they are not listed here.
Can I play a browser RTS against or with friends?
Sands of Planet T has co-op multiplayer through a shareable room link: no accounts, your friends click and they are in. Little War Game and Strike Tactics have online lobbies.
Do these work on a phone?
Sands of Planet T is built for desktop and mobile browsers. The older indie titles are happiest on a desktop with a mouse.
Free. No download. No account.
A full browser RTS with campaign, skirmish and co-op.
Play Planet T free →