Action Replay DS (World) (v1.00) (Unl), or アクションリプレイDS (ワールド) (v1.00) (Unl) in Japanese, is a cheat device developed by Datel and released in 2009. It is compatible with the Nintendo DS and DS Lite systems, and allows players to gain access to cheats and codes for a variety of different games. The Action Replay DS is a cheat device that can be used to unlock hidden content, gain access to new levels and characters, and alter game settings. It also allows players to save their games, edit saved data, and transfer data between multiple DS systems. The device comes pre-loaded with cheats for more than 6,000 games, and it can be used to create custom cheats for any game. It also includes a game save manager, allowing players to backup and restore their game data. The Action Replay DS also includes a built-in cheat code database, allowing players to search for codes for specific games. Additionally, the device can be used to transfer game save data between multiple DS systems, allowing players to share content with friends and family. The Action Replay DS is a powerful cheat device that allows players to gain access to cheats and codes for a variety of different games. It is an invaluable tool for any serious gamer.