example of an original Neo Geo game ported over to modern consoles, in this case the Nintendo Switch. Game Boy There are many toolkits and utilities available to program homebrew on the handheld. ROM hacks of popular games on the handheld are available for the system. There are also unofficial ports and demakes of games from other home consoles and handhelds made for the Game Boy, some examples are a demake of the PlayStation game Castlevania: Symphony of the Night and a port of Stunt Race FX for the Game Boy. Fifth generation consoles Jaguar The first hobbyist-developed Atari Jaguar game was released in 1995: a version of Tetris called JSTetris. It was written using a hacked version of the Alpine Development Kit, one of the pieces of hardware used to program official Jaguar games. After purchasing all the intellectual property assets of Atari Corporation from JTS in 1998, Hasbro Interactive, on May 14, 1999, announced that they have released all rights to the Jaguar, declaring the console an open platform. Following the announcement, a few developers and publishers, such as AtariAge, B&C Computervisions, Piko Interactive, Songbird Productions, Telegames, and Video61, have released both previously unfinished games from the Jaguar's past as well as several brand new games. Since emulation of the console is still limited, coding uses a real console through either the Skunkboard development cartridge, using a BJL modified Jaguar, or the official Alpine Development Kit. The commercial game BattleSphere Gold, also contains the JUGS (Jaguar Unmodified Game Server) aid to development. Games are released in either cartridge, CD–or both–formats. Most developers have published their works either online on forums or in cartridge via independent publishers. Since both systems do not have regional locking, all of the titles are region free. Some of the earliest CD releases were not encrypted, requiring either B&C's Jaguar CD Bypass Cartridge or Reboot's Jagtopia (Freeboot) program burned into a CD in order to run unencrypted CD games, but Curt Vendel of Atari Museum released the binaries and encryption keys for both the cartridge and CD format, making it possible to run games without the need of development hardware. A cracked BIOS of the Jaguar CD can be soldered inside the system. There are also ST-to-Jaguar conversions, which involves porting titles from the Atari ST to the Jaguar, which may include some enhancements. While they can be downloaded for free, select titles were