Even though there are options for 6th-8th grade, the highest grade ever made for a Didj game (in this case, High School Musical) was 5th grade.It can tell you to reinsert the cartridge when nothing is wrong with it.Speaking of the batteries, the Didj can go to the point where it is unable to recognize its own batteries AND rechargeable batteries!.The battery life is painfully short, only lasting for 1-2 hours.However, there are worse games, such as Sonic Didj.The game included on it, JetPack Heroes, is pretty generic and bland.Only 16 games were produced for it, around the same amount as the Virtual Boy.Did LeapFrog learn from the Amstrad GX4000 at all? LeapFrog sold a rechargeable base for it, but it could get extremely hot which would literally melt the system if placed upside down! This could become a potential fire hazard and could even burn down your house! There was even a recall for the charging base and batteries alone.It was released on Augand discontinued in 2010. The LeapFrog Didj (marketed as the Didj Custom Gaming System) is a handheld education gaming console made by LeapFrog to build on the success of their previous Leapster console.