ACE Online ACE Online is a 3D space shooter, a flight action MMORPG. Join one of three factions to complete missions on the alien world of Phillon. Challenge other players to duals. Learn special air combat skills to use in one of four fully customizable aircraft. Free to play indefinitely.
	http://ace.subagames.com

	Aces High II Historical World War II air combat simulation. Highly accurate plane models and multiple detailed arena terrains let you experience battles from the World War 2 air war in a massively multiplayer game world. Free trial period, then pay to continue playing.
	http://www.hitechcreations.com/

	Air Attack 3D flight combat simulator. Free to play indefinitely.
	http://www.airattack.co.uk/

	Air Rivals Air plane fighter jet dog fighting game, similar to Space Cowboy. Free to play indefinitely.
	http://www.airrivals.net/

	Allegiance "Tired of mindless shooters? Welcome to the multiplayer space combat simulation where teamwork is king!" Free to play indefinitely.
	http://www.freeallegiance.org

	Area00 "Take off in one of 30 military planes all with actual specs! Take off in a F-22 and fly against human flyers for the ultimate challenge!" Free to play indefinitely.
	http://area00.com/

	AstroN AstroN is a 3D flight shooting RPG. Choose from three different species and over a dozen planes per species to level up to. Clan and squadron management is built into the game interface. Mission/monster or team vs. team game-play available. Excellent online guide to get you started. Free, with option to pay for additional features.
	http://astron.gameis.com/

	Fly For Fun User friendly fantasy RPG with beautiful anime style graphics. Fly around the world to discover new lands, fight monsters on the ground or in the air, and take part in special events (like races). Raise a pet, open your own shop or fight against other players in the weekly Guild Siege events. Free, with option to pay for additional features.
	http://flyff.gpotato.com/

	Taikodom A free MMO space game much like Eve Online. Features a massive selection of ships and weapons. Free to play indefinitely.
	http://taikodom.com/

	Tales of Fantasy This fantasy war RPG set in the wilderness of Asia allows you to join one of two factions, tame beasts, and even grow wings and fly! Includes a large variety of skills and weapons. Free, with option to pay for additional features.
	http://tof.igg.com/