The contestants have to run across the top of a row of 16 giant dominoes to reach the finishing platform. They need good balance but also speed as the dominoes are very easily toppled, and once one falls it was knock all the rest down too.

If a contestant manages to make it across all 16 dominoes they win the game, but if they fall off they've lost.

In the family version of this game, the parents and kids are connected together with a rope. The parents have to run across the top of the 16 dominoes as usual, but now the kids also have to run across 16 smaller dominoes along side them.
As they're tied together the pair have to both keep balance and good timing. If one of them falls off they'll bring the other down with them, and if one of them goes too fast they'll drag them both off balance and come tumbling down.