This game came out in 2003 and was immensely popular. Because of its fame at the time, all the kids of the internet wrote guides on playing the game with extreme detail.

Here are a couple good guides for a 100% run: General: https://arcadehelp.blogspot.com/2010/03/stick-rpg-guide-no-cheats.html Step-by-step: http://www.cheatsguru.com/pc/stick_rpg_complete/walkthrough/2167081.htm