In July 2007, another hack-this one created by Sion and Kung Fu Man, based on the last high-res hack-allowed for only the select screen to be high-res, not the stages.

Later that month, another hack was done to add support for high-res select screens. In May 2007, a hacked version of WinM.U.G.E.N was released by a third party this hack added support for high-resolution stages (such as those seen in Guilty Gear X) at the cost of losing support for standard resolution M.U.G.E.N stages. Those that could still run the DOS version in some form stayed with that version and even offered DOS patches to downgrade characters for compatibility with the older version. This version also had some changes in how certain CNS script controllers functioned, which caused some minor upset amongst the community. Due to the changes between the DOS and Linux versions of M.U.G.E.N, many older characters required at least the SFF files to be modified so the engine could display palettes correctly (notably on portraits). This version of M.U.G.E.N is functionally the same as the last Linux release, though with subtle differences and unique issues (mostly revolving around proper music and music plugin support). With the beta leaked and Elecbyte gone, a 'no limit' hack that removed most of these limitations was made available in 2004 by Rou Hei, followed by subsequent updates to deal with bugs and other issues. The private WinM.U.G.E.N beta contained a two-character roster limit, locked game modes, and nag screens. Speculation has since pointed at leaks made public of a private Windows-based M.U.G.E.N beta that was provided to donators. The development group discontinued this project in 2003 and shut down their site. For a time, Elecbyte had a running request for donations on their site to legally obtain a Windows compiler so they could make a Windows version of M.U.G.E.N. Development of the DOS version ceased when Elecbyte switched to the Linux platform in November 2001. First released on the 17th of July 1999, M.U.G.E.N was initially created for MS-DOS.

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