Power Stone is a 3D arena fighting video game developed by Capcom for the Sega Dreamcast. It was originally released in 1999 and became known for its fast-paced battles and its distinctive feature that allows players to use objects and the environment to attack opponents. Set in a steampunk universe, players select a character and engage in intense battles to collect Power Stones, which grant enhanced abilities and the power to transform into a more potent version of themselves. The game supports up to four players, adding to its chaotic and fun multiplayer appeal. Power Stone's unique mechanics and vibrant graphics have earned it a dedicated fan base and status as a classic within the fighting genre.