Open Front

Developer: Brian

Rating: 8.2 (1,954 votes)

Technology: HTML5

Platform: Web browser

Open Frontline. io is a large-scale territorial conquest strategy game where you can expand your territory, build cities and factories, launch nuclear bombs, and ally or betray other players on real-world or fantasy maps. Play online for free on the website now and become a world ruler!

🖥️ PC version: Mouse click=Interacting with UI; Choose a map, difficulty level (simple to impossible), starting position, etc.

The depth of 'Open Frontline. io' is comparable to that of 'Civilization Empire'. There are numerous map options available: global, continental, Japanese Sengoku, UK, New York City, Mars, Pangaya continent, and even random maps. Constructing cities increases the population ceiling, ports produce trade ships and battleships, factories connect cities and ports to generate passive income, defense towers slow down enemy forces, SAM launchers intercept nuclear bombs, missile silos launch atomic bombs (precision), hydrogen bombs (wide range) or MIRVs (multiple warheads). You can ally with robots, NPC countries, or other players, but betrayal will result in a 30 second defense penalty. Attack the slider to control the proportion of troops deployed. Updated in January 2026. This game is perfect for children who love strategy and history, be a little Napoleon!

Open Open Front in your browser to play.