WWII Online is a massive, persistent free-to-play MMO FPS driven entirely by players. Fight as Army, Air, or Naval forces and earn Victory Points to access more units. One global server. No scripts. Real outcomes. No zones. Huge world (300,000 km²). ENLIST NOW!
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No game lists WWII Online as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Soar through the skies and rise above every challenge to earn your place among the elite. Engage in intense aerial combat to dominate the battlefield with powerful weapons. Experience a breathtaking campaign filled with high-stakes missions, hard choices, and deep squad connections.
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Jet Fighters with Friends 5 - UFOs are attacking London, Go get 'em! Single Player OR Multiplayer Jet Fighter Game with A.I. UFO Bots. PvP or COOP.
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Korea. IL-2 Series is a next-generation flight simulator set during the Korean War. Climb into the cockpit of early jet fighters and shape the outcome of legendary aerial battles.
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Kickback Clash is a fast-paced arena shooter where every shot pushes you back. Fly using your weapons, dash through the air, survive vertical arenas with double jumps, and climb to the top of the global leaderboard by outplaying your opponents.
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Master the art of modern air combat. Fly high performance fighter jets in intense dogfights with realistic flight and weapon physics. Duel against challenging AI opponents or compete with other players online. VR only!
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In Enlisted, you are not only commanding a single soldier, but an entire squad! This MMO squad based shooter recreates the key battles of the bloodiest war of the 20th century, with hundreds of soldiers, tanks and aircraft taking part in each battle.
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Army Troop is an old-school PvP World War 2 online first-person shooter. Reminding you of the good old days World War games.
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Fire long range missiles and fly through mountains in close aerial combat to fight in PvP with friends or against bots in huge 400 km x 400 km world.
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Build a spaceship, climb into the cockpit, and take your own design into battle. BuildPort Xumia is a VR building and combat sandbox with custom ships and handheld weapons, PvP duels, co-op wave defense, and cross-play.
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Early 2000's inspired 1st/3rd-person shooter, with vehicles, ships, jet packs, multiple foot‑soldier classes, space battles, and so much more. The game features a Single-player campaign with several uniquely designed missions, and multiple Multiplayer modes such as Conquest, FreeForAll, and Escape.
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