Power Quest/Gekitō Power Modeler was a hybrid RPG/fighting game for the Gameboy Color developed by Japan System Supply. Published by Capcom in Japan and Sunsoft in North America in 1998 (1999 in Europe). The game flew under the radar of most folks, I myself was unaware of it until lucking up upon it on sale. At the time I was rarely seen without my Gameboy and Power Quest turned out to be just the game I didn't know I needed. You play as a kid who's summer break from school is just starting. Summer break is about to be spent playing in the modeler tournament.
Players build model robots that they battle against each other. Models can be upgraded with parts allowing for new abilities. Of course models and parts cost money... which a kid usually doesn't have. By battling models, you're able to acquire money and parts for your model. You'll spend the game getting into various scenarios and tournaments with other kids and the villainous Hyena Gang culminating in the big tournament to win the National Championship. Game play is what you'd expect from a JRPG, but the game switches over to a 2D fighting game for battles. There's even a vs. mode if you just want to duke it out with the models. The game is a multiplayer fighting game if you had a link cable handy.
You've probably noticed I like the game. The battle robot models RPG is a game type I've been a fan of. Gundam Breaker on my tablet or Custom Robo on Gamecube and DS are all similar games that I've enjoyed quite a lot. I think it wasn't until Power Quest that I discovered the genre. Is it a genre? Maybe not, but definitely something I like. I played Power Quest for quite some time after getting it. It kept me busy a lot of nights. It's a shame it doesn't have a bigger legacy, I'd love to play a new one.