key improvements will be made to the user interface and game system. However, many features from the PSP edition were dropped, including the option to toggle between English and Japanese dialogue, and many additional voiceovers, probably due to the limited storage capacity of the DS game card. Disgaea DS was the only Disgaea game released for a Nintendo system (and until the release of Disgaea PC, the only release on a non-Sony platform), until the release of Disgaea 5 Complete for the Nintendo Switch in 2017, 9 years after Disgaea DS's release. The Nintendo DS version contains the following additional features: Geo Cubes – A new addition first found in the PSP version, Geo Cubes are magic items that add more depth to multiplayer battles. They can be used to enhance abilities, summon monsters, or to attack the enemies. Demon Gadgets – Randomly generated items that appear on the battlefield. Units can power up by acquiring these gadgets. Some demon gadgets can level up a unit by 30 levels at once. Unlockable Characters – As well as the unlockable characters from the original Disgaea, Adell and Rozalin from Disgaea 2 are unlockable as hidden bosses within the Cave of Ordeals, as well as the Dark Assembly guide, Pleinair. Overlord Zetta also debuts as an unlockable, playable character.Disgaea DS was released in North America on September 23, 2008, through distributor NIS America and in Europe on April 3, 2009. Disgaea PC A version of Disgaea: Hour of Darkness, including the added content in Afternoon of Darkness, was released for Microsoft Windows via Steam on February 24, 2016, retitled as Disgaea PC. The initial release was panned by critics on launch due to its many bugs, which included persistent crashes, save file loss, and poor performance, even on high-end PCs. A patch was released soon afterwards that fixed many of the bugs. Another patch was released for the game later that added the four characters previously exclusive to Disgaea DS. Players who bought the game during the 2016 Steam Summer Sale would also earn free in-game cosmetic items for Valve’s first person shooter game Team Fortress 2. Disgaea 1 Complete A version of Disgaea: Hour of Darkness, including the added content in Afternoon of Darkness and Disgaea PC, was released for Nintendo Switch and PlayStation 4 on October 9, 2018, retitled as Disgaea 1 Complete. Some elements of the game were updated,