The best free-to-play Steam games 2019 Fractured Space. When it comes to MOBAs (multiplayer online battle arenas), not every game has to be a fantasy-based romp with daggers, spells and cutesy champions. Gigantic. Star Trek Online. Paladins: Champions of the Realm. ArcheAge. Warface: Blackout. Art of War: Red Tides. Warframe.