Jenga

Select one block from any layer below the highest completed layer.; Using only one hand at a time, remove the selected block from the tower.; Place that same block on the top of the tower.

Variations should be announced before construction or before the first move. A variation never overrides basic safety expectations.

Players may talk and react, but may not touch, shove, startle, or obstruct the active player.; Advice is allowed only if the group agrees before play; the active player must still perform the move alone.; Players should disclose accidental contact with the tower or playing surface.

If the tower remains standing, stop play and require the active player to correct the mistake using one hand. The turn is not complete until the block is legally placed.

A common timing standard treats the turn as complete ten seconds after the player releases the placed block, or as soon as the next player touches the tower, whichever happens first. For untimed casual play, the group may simply require the tower to settle visibly before the next player begins.

No timer, score sheet, stacking sleeve, or other accessory is required for ordinary play. A stacking sleeve may help construct the initial tower, but it must be removed before the first turn.

A block may be removed from any layer below the highest complete layer. If the top layer is complete, no block may be taken from that layer; the layer immediately below it is also unavailable because it is then the highest complete layer.

For a longer session, choose one system before the first round: Round wins: Award one point to each round's winner. The first player to three or five points wins the match.; Penalty total: Give the player who topples the tower one penalty point. After a fixed number of rounds, the lowest total wi...