ModNation Racers - Sony PSP Exclusive "PSP-only" Last Kart Standing Mode. Blaze through an action packed career mode across 25+ crazy tracks filled with kart racing fun blending rabid racing gameplay and comedic vehicular combat. Customize characters, karts, and tracks with thousands of options and easy to use tools. Then share your creations with the world via your PSP's wireless connection. Download unlimited user generated content for endless portable racing and re-mix any racer, kart, or track and express yourself. Challenge up to 6 players to race via online or ad-hoc wireless connections.