Having trouble getting Testament, Justice, Baiken, or laid? I can't help with the last one, but I can definitely help you with getting the three unlockable characters of Guilty Gear 1. 

This is a manual of the PS1 version of the game (although it is essentially the same game). Inside you'll find some extra story bits and character profiles that you wouldn't get just from the game as well as instructions on a couple of mechanics that other... 

A guide about how the game works, how to control, and general tips about the first Guilty Gear 

This is a guide to perfom insta kills in Guilty Gear.  

A guide to get the game to play at stable frame rate. This is mainly for issues affecting people with high refresh rate monitors. Typically those with 120hz, 144hz, 240hz, 300hz, etc... The game is affecting some of these people and having the game match t...