11,971 GAMES
Atari 400 / 800 / XL / XE
Uncle Henry's Nuclear Waste Dump
Uncle Milton's Million Dollar Mystery Mansion
Uncle Simon- XUndead (The)
Under the Big Top
Underground Adventure
Underwater Cavern
Underworld (The)
Underworld II (The)
Unicorn Horn
Unicum- XUnicum / Reflex
Unison- XUnits
Universal Hero
Universe
Universe Fighting Contest (The)
Unknown Dimension- XUnlocking the Map Code
- XUno
- XUnriagh
- XUnriagh II - Der Zeitbandit
Unscramble
Unscramble
Unscramble II- XUnterseeboot (Das)
Up for Grabs
Up'n Down
Up'n Down
Up, Up and Away- XUp, Up and Away
- Up, Up and Away
- XUp, Up and Away!
- XUp-Down-Left-Right
Upiór- XUpiór
Uprchlý Vekslák
Upsets
Uptown Manager
Upward
Uranium Core
US Adventure- XUS Geography
- XUS Geography - Check Marc
US Geography - High Marc- XUS History
US Paper Plane- XUS Presidents
- XUS Road Signs
- XUSA