Open-source successor to Territorial with nukes, navies, alliances and trade. Actively developed on GitHub.
Open openfront.io OpenFront.io only runs on its own site, so it opens in a new tab.Loading openfront.io…
Open-source successor to Territorial with nukes, navies, alliances and trade. Actively developed on GitHub. 2024, Open source.
OpenFront.io is a free strategy and territory io game (rts, free-for-all, teams, open-source). Claim land, hold it, take someone else's. From the twitchy grid-claiming of Splix to hour-long map wars in Territorial. It ran when last checked, on 2026-09-16.