• Authentic Comic Storyline – Famed comic writers Garth Ennis and Jimmy Palmiotti penned the gameÂ’s storyline.
• Vengeful Combat – Fast paced, combo based combat against multiple enemies using Ghost RiderÂ’s trademark hellfire chain and hellfire shotgun.
• Adrenaline Fuelled Motorbike Action – Ride the terrifying Hell Cycle, swing your chain at enemies and use the bikeÂ’s powers: ride on water, boost over jumps, power down under obstacles, etc.
• Diverse Scenery – Ride through varied locations from the movie including the Quentin Carnival and CaretakerÂ’s Graveyard, then take a ride down the sky scraper that links Earth to the depths of Hell.
• Upgrade and Improve –Add upgrades to the Hell Cycle and Hellfire Chain, plus new moves and stat increases using the essence of defeated foes as currency.
• Penance Stare – Besides possessing superhuman strength, speed and durability, Ghost Rider can force criminals to experience a level of emotional pain equivalent to that which they have caused in others.
• Go Toe to Toe with Giant Super Villains – Spectacular boss battles with key Ghost Rider villains will test your combat skills to the limit.
• Loads of Unlockables – Artwork, bonus characters, interviews and more extend replay value and challenge players to dig deep into the experience.
• Developed by Climax—the experienced team behind cutting-edge games like ATV Offroad Fury 3, the MotoGP: Ultimate Racing Technology series and Sudeki.
• PSP offers new levels, bosses and gameplay including Wi-Fi multiplayer and motorcycle deathmatch for up to 4 players.

Along with the Ghost Rider fact sheet, Sony has released a trailer of theupcoming movie (not the game) formatted for the PSP. You may want to take a look at it as well.