The recent login and sign-up issues have been successfully resolved by @DoomJoshuaBoy. Fresh logins are now working normally, so feel free to log in without any trouble! if you do run into trouble please let us know!
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Since I saw that Garfielf wasn't posted on AK1 and is only available for download on the MUGEN Archive, I decided to upload it here—to give people who don't have access to the MUGEN Archive a way to download it.