The Deluxe Edition is the definitive version of the game, including content previously released as DLC: :
Under Defeat HD: Deluxe Edition is a high-definition remaster of G.rev’s classic arcade and Dreamcast shoot ‘em up (shmup). Set in an alternate World War II, players pilot a heavily armed helicopter through intense battles between the "Empire" and the "Union". Under Defeat HD Deluxe Edition [Jtag/RGH]
: Includes a new playable helicopter (VKL5.03 P) and all current patches and DLC. The Deluxe Edition is the definitive version of
Deluxe Edition , specifically optimized for players on modded consoles. Game Overview Under Defeat HD Deluxe Edition [Jtag/RGH]
: A 16:9 widescreen adaptation with refined HD artwork and textures.