You unlock the world by first finding the secret exit in World 1 Castle! You have to defeat the boss as a mini-Mario!
World 4-1
- Star Coin 1 Not to be overlooked. Use the spider as a trampoline.
- Star Coin 2 not to be overlooked. Use the spider as a trampoline.
- Star Coin 3 Not to be overlooked.
- Secret Exit: While riding on Nessi, you come to a platform of five blocks. There are two coins flying over it. Jump between the coins to find a secret block.
World 4-2
- Star Coin 1 Not to be overlooked.
- Star Coin 2 not to be overlooked.
- Star Coin 3 After the second Star Coin you can leave the mushrooms for a short time. There you see a block that is a little hard to reach. You have to start it from below, then grows from it a climbing plant that leads to the third Star Coin.
World 4-3
- Star Coin 1 Not to be overlooked.
- Star Coin 2 not to be overlooked.
- Star Coin 3 If you have activated the switch floats in front of the two tubes, which are directly next to each other. Hurry to get into the second one before the effect of the switch wears off. There is the last Star Coin.
World 4-Tower
- Star Coin 1 Changes the grid side in the second room as soon as possible. The Star Coin is to the left of the first moving block.
- Star Coin 2 not to be overlooked.
- Star Coin 3 Not to be overlooked.
World 4-4
- Star Coin 1 Not to be overlooked.
- Star Coin 2 If you have climbed the climbing plant, go to the left. Here are two blocks. Directly to the left of them is a third, from which another climbing plant grows. It leads to the second Star Coin.
- Star Coin 3 Not to be overlooked.
World 4-Ghost House
- Star Coin 1 Goes into the first door and activates the switch. Stand on one of the blocks and wait until they restart.
- Star Coin 2 The second red switch activates two vertical rows of red blocks. With the Wall Jump you get up there to the next Star Coin.
- Star Coin 3 Mini Mushroom is needed! Stand in the room with the second red switch on the tube. From there, make a Wall Jump to the right. Here is a small passageway leading to a door. Does not go through the door, but jumps even higher with Wall Jump. Here is the last Star Coin.
- Secret Exit: Mini Mushroom is required! After a door on red blocks, activate a red switch on your left. Jump right onto the tube as a mini-Mario and make a Wall Jump from the tube wall to the right. Follow the path to a door and walk in.
World 4-5
- Star Coin 1 Not to be overlooked. Use a bob-omb to break the blocks.
- Star Coin 2 not to be overlooked. Use a bob-omb to break the blocks.
- Star Coin 3 When you get to the tube that is blocked with blocks: Destroy the blocks with Bob-Ombs. This is the last Star Coin.
World 4-6
- Star Coin 1 Not to be overlooked.
- Star Coin 2 not to be overlooked.
- Star Coin 3 Activates the red switch and uses the blocks to reach the green tube. Behind this is the Star Coin.
World 4-A
- Star Coin 1 Not to be overlooked. With a good jump to reach.
- Star Coin 2 Soon after the first coin you have to swing it of the liane upwards to the tube. Activate the P Switch there and grab the second coin.
- Star Coin 3: Shortly before the goal, you use the left one of the three tubes and enter the room with the third Star Coin.
World 4-Castle
- Star Coin 1 Not to be overlooked.
- Star Coin 2 Let the first giant stone block destroy the blocks below it, then you get to the Star Coin below.
- Star Coin 3 Not to be overlooked.