Block Party contains 20 different mini-games. Each mini-game controls different. You play using either the Wii Remote or Wii Remote with Nunchuk attachment. The controls for each mini-game are explained in the instructions given before each game. The goal of the game is to wreak havoc throughout the neighborhood and show your neighbors you have what it takes to be crowned the Best on the Block. The game features a number of different sorts of neighborhood games, such as Super-Sack Race, Backyard Juggling, Trampoline Tricks and Lawn Bowlin'. Block party features three different modes: Story Mode for Single player, Quick Play mode for multiplayer and Tournament mode for "the ultimate multiplayer experience".
Source: Wikipedia, "Block Party: 20 Games", available under the CC-BY-SA License.