Cashapult is a 2-vs.-2 coin-collecting minigame found in Mario Party 6 and Mario Party Superstars. The name is a portmanteau of the words "cash" and "catapult," an ancient weapon that sends objects flying when the rope is released.
The differences between day and night in Mario Party 6 are only aesthetic.
Teams attempt to get coins from the sky by using a catapult as they stand on it. There are 20 coins above the clouds. The player who is sent flying tries to collect as many coins as possible. Each player in the team has two attempts to get all the coins as possible.