Battle Factory Showdown

About

Battle Factory Showdown is a Pokémon fan game developed in RPG Maker XP with Pokémon Essentials. The game is entirely dedicated to the famous Battle Frontier facility "Battle Factory." Rent a team of 4 Pokémon from over 250 available and engage in an endless series of double battles; will you be able to defeat all the bosses and set a new world record?

Source: IGDB