The only differences between day and night are aesthetic.
Four cranes lower each of the four players onto a raft.
The objective of the game is for each player to knock the other ones off the small wooden raft they are on. The players can press to punch one of the other ones backwards. If the player does not fall off the edge, the player becomes impossible to hit for a small amount of time. However, if the punched player does fall off the edge, that player is eliminated from the game. The players can also jump by pressing ; if one lands on another player, that player is squished, lightening the player's jumping ability. After the raft passes through a gate, obstacles begin to appear. They include falling nuts and Shy Guys using cannons to shoot the raft while riding on a train as the raft floats down the river. The players have to watch out for other players and the obstacles, as they temporarily stun them. The last player standing, or the players that remain after the raft has come to a standstill, wins.
The winners and losers perform their victory and losing animations at the beginning of the river.
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