From the box:

Phase 10 UpSets, the vertical rummy game!

The challenging and exciting twists of the popular card game go 3-D! Try to complete each of the 10 specific phases on the vertical game grid but watch out for the upset. As you get close to winning, one of your opponents can upset you and the grid with one single tile and more than your hopes will come crashing down.

Game contains:
Playing grid,
4 tile holders,
Dice and 61 tiles.

Ages 5 and up