Iron Aces, known as Imperial no Taka: Fighter of Zero in Japan, is a combat flight simulator video game released for the Sega Dreamcast in 2000. Set during World War II, the game allows players to engage in air battles with a variety of historical fighter aircrafts. Throughout the game, players must complete various missions, facing enemy planes while maneuvering through different environments. Iron Aces features a mix of arcade-style action and realistic flight physics, appealing to both casual gamers and aviation enthusiasts. The game is recognized for its challenging missions and multiplayer dogfighting mode.