OpenBack — Online Territorial War and Strategy Game

OpenBack is a browser-based territorial war and real-time strategy game where players expand nations across a world map, manage troops and gold, build military and economic structures, form alliances, and conquer rival territory.

The game combines nation building, country conquest, geopolitical strategy, diplomacy, economy management, empire expansion, military planning, and world domination with fast .io-style territory control. Its evolving gameplay includes solo nations, online multiplayer, ranked competition, armies, aircraft, tanks, ships, missiles, and defensive infrastructure.

Play solo against computer-controlled nations, host or join private multiplayer games with shareable lobby links, or enter ranked 1v1 matchmaking against another online player. OpenBack runs directly in a modern desktop or mobile web browser without a download.

OpenBack game features

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Tutorial

OpenBack Economy and Building Guide

Understand gold, population, cities, ports, factories, trains, defenses, and efficient building choices in OpenBack.

Balance population and gold

Population supplies expansion and combat while gold pays for structures and advanced units. A rich nation can still be unable to attack, and a populous nation can lack the tools needed for late-game pressure. Build both resources toward the same strategy.

Protect economic infrastructure

Place cities and factories where they can survive. Ports open naval trade and construction, while compatible buildings can connect through rail networks. Economic infrastructure needs time to repay its cost, so an exposed front line is rarely the best position.

Spend for visible threats

Defense posts harden important areas. Missile silos, runways, and military bases unlock specialized attacks. SAM launchers, MANPADs, and tank mines answer different threats. Later copies of many buildings cost more, so leave an emergency reserve.

  • Secure early growth before expensive military projects.
  • Spread important structures so one strike cannot remove everything.
  • Build defenses against threats that are actually developing.
  • Avoid purchasing every unit type without a complete plan.