Championship Motocross - Featuring Ricky Carmichael [SLUS-00790] ROM Download for Playstation (PSX). Championship Motocross - Featuring Ricky Carmichael [SLUS-00790] game is available to play online and download only on Roms Games. Championship Motocross - Featuring Ricky Carmichael [SLUS-00790] ROM for Playstation download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.