Under Defeat

A port for the Dreamcast was released in 2006 and marketed as the last game for the system, although two more were released the following year. The game was commercially successful, but received average reviews from critics because of its traditional and derivative gameplay. A high-definition remaster, Under Defeat HD, was released for the PlayStation 3 and Xbox 360 in 2012, published by Rising Star Games. The updated version contains improved visuals, new control scheme options, and a new gameplay mode to adapt the game for 16:9 displays. This version was re-released in arcades as Under Defeat HD+. Another enhanced version by City Connection was released for Nintendo Switch, PlayStation 4, PlayStation 5 and Xbox Series X/S in 2024 in Japan, with Windows port and western release in 2025.

• Title — Under Defeat • Developer — G.rev • Publisher — Sega (Arcade) G.rev (Dreamcast) • Composer — Shinji Hosoe Yousuke Yasui (HD) • Director — Hideyuki Kato • Designer — Masakazu Takeda • Programmer — Masakazu Takeda • Artist — Nanashiki Yamamoto • Released — Arcade October 27, 2005Dreamcast March 23, 2006PS3, Xbox 360 NS, PS4, PS5, Series X/S'WindowsFebruary 6, 2025 • Genre — Shoot 'em up • Modes — Single-player, multiplayer • Arcade System — Sega NAOMI • Platforms — * Arcade • Dreamcast • PlayStation 3 • Xbox 360 • Nintendo Switch • PlayStation 4 • PlayStation 5 • Windows • Xbox Series X/S

• Illustration — The player firing at enemy battleships In Under Defeat, the player assumes control of a helicopter. The gameplay bears resemblance to early Toaplan games such as Twin Cobra. It uses 3D graphics, and a slightly angled perspective to give the game more depth than most other titles in the genre. The player's helicopter can move in eight directions, though its move speed is fixed in relation to the stage's scroll speed. The player has 3 basic forms of attack: the machine gun, bombs, and options. The primary weapon is the machine gun, which can fire a continuous stream of bullets. Bombs unleash a screen-devastating blast, destroying most enemies instantly, and protects the player's ship from enemy fire. The player begins each life with three bombs and can accumulate up to six. Finally, the helicopter has three possible weapon assists, or "options", which provide extra firepower. The weapon options are a machine gun, cannon, and rocket grenade. Using the right one at any given time determines how tough certain battles and stages will be.

Under Defeat was developed by G.rev for Sega's NAOMI arcade board. It was released in Japanese arcades on October 27, 2005, followed by a companion soundtrack release in December. A Dreamcast port was released on March 23, 2006, over five years after Sega announced they were pulling support for the system. G.rev promoted it as the last Dreamcast game, although Triggerheart Exelica and Karous were released for the system the following year. G.rev credited the promotion as helping its commercial success. It sold through its first printing within one week, becoming the best-selling game on the system since G.rev's own Border Down (2003). Dreamcast copies were released in limited numbers and continue to command high prices on secondary markets. The music was composed by Shinji Hosoe, and has been described as jazz fusion. He was asked to compose music with a melancholic feel to correlate with the game's storyline, which made him emotional. A limited-edition version with a pack-in soundtrack CD was also released (different from the soundtrack released earlier).

In response to fan requests for a re-release, G.rev announced a high-definition version of Under Defeat for PlayStation 3 and Xbox 360 in October 2011. The re-release was titled Under Defeat HD published by Rising Star Games. Most of G.rev's recent games were Xbox 360 exclusives, so out of fear of being framed exclusively as Xbox 360 developers in the industry, they decided to create a PlayStation 3 port as well. In addition to digital storefronts, G.rev produced physical copies as a show of gratitude to their fans. An arcade version was released in 2013 as Under Defeat HD+. Building on the original, Under Defeat HD has a new gameplay mode, New Order mode, which stretches the gameplay to fill a 16:9 display and gives the player the ability to shoot at wider ranges. G.rev developed this mode in an effort to adapt the game for modern 16:9 displays. A new optional dual stick control setup was added as well. Under Defeat HD also has improved shadowing and textures. Because the textures were originally created in high resolution, the team used those to replace the lossy versions used in the original though some pixel art needed to be tediously enlarged. The team also needed to manually reproduce the deferred background polygon rendering, a process handled by PowerVR technology in the original arcade and Dreamcast hardware. The New Order mode also features a new soundtrack by SuperSweep composer Yousuke Yasui, who also scored G.rev's Mamorukun Curse!. In April 2024, City Connection announced that it will release an updated version of Under Defeat HD for the PlayStation 5, Xbox, Nintendo Switch and PC. It features new music composed by original composer Shinji Hosoe, as well as contribution, rank and communications subtitles displays, and other features. In Japan, the game was released for the Nintendo Switch, PlayStation 4, PlayStation 5, and Xbox Series X/S on December 5, 2024. Clear River Games planned to publish the game in the west and for Windows via Steam on the same date, but later delayed the release until February 6, 2025.