Underground Coin Collecting
From the Super Mario Wiki
Underground Coin Collecting is the sixth course in the Story Mode of Super Mario Maker 2. It is set in the underground theme and in the Super Mario 3D World style. It is posted by Eccentric Millionaire, and has a difficulty rating of 3/4 stars.
The level begins with a single Warp Pipe leading to an area with four Warp Doors, along with a ? Block containing a Super Star. Each of the Warp Doors leads to a sub-area resembling a Mario Bros. stage and containing several enemies and coins.
The bottom Warp Door leads to an area with three Big Goombas and seven coins.
The left Warp Door leads to an area with three red Koopa Troopas and nine coins.
The right Warp Door leads to an area with three Winged Ant Troopers and seven coins.
After Mario collects all thirty coins, he must enter the right Warp Pipe and head to the Goal Pole.
"I buried some Coins in an underground room a while back, but I forgot where I buried 'em. If you can find 'em, you can keep 'em! What do I care? Coins mean nothing to me anymore..."
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