Space Paranoids

After Donald accidentally transports them in, Sora, Goofy, and Donald arrive in the digital world and are promptly arrested by Sark who escorts them to the Pit Cell, where Tron is being held prisoner by the Master Control Program; this room also hosts the Moogle Shop. After explaining the situation, the party escapes the Cell, heading for the Canyon, where they play a mini-game to unlock the terminal access. Further along and to the right is the Dataspace, where the password for the computer can be inputted.
Later on, the group delves deeper into Space Paranoids; the exit on the highest level and to the left leads to the I/O Tower: Hallway. Heading right takes the group to the I/O Tower: Communications Room, while going left takes them to the Simulation Hanger, where the Solar Sailor Simulation can be accessed. The Simulation takes the party to the Central Computer Mesa, which is the area just before the MCP's headquarters, the Central Computer Core.

http://kingdomhearts.wikia.com/wiki/Space_Paranoids