World 1-1
- Star Coin 1 — Bounce on the Note Blocks to reach the coin above the main route.
- Star Coin 2 — After the Checkpoint Flag, look for the coin enclosed by Brick Blocks. Use the nearby Note Blocks to jump up to it.
- Star Coin 3 — Enter the green pipe after the second coin. In the sky area, press the P Switch and follow the temporary coin trail to the final Star Coin before the switch runs out.
World 1-2
- Star Coin 1 — Beyond the blue pipe, Ground Pound into the enclosure containing a red Koopa Troopa. Throw its shell at the red POW Blocks to clear the obstruction and reveal the coin.
- Star Coin 2 — Enter the yellow pipe to the right. Press the P Switch in the underground room, then climb quickly to the Star Coin before the blocks change back.
- Star Coin 3 — Bring a Fire Flower. Keep firing into the pipe marked with a fireball sign until a Mega Mushroom appears. Collect it and hurry right as Mega Mario, smashing through the barriers around the coin before the transformation ends.
World 1-3
- Star Coin 1 — Use a Super Leaf. After the sign pointing diagonally up and right, build up speed and fly onto the treetop to collect the coin.
- Star Coin 2 — Keep the Super Leaf after the Checkpoint Flag. Fly to the top of the tree containing a pipe and enter its upper opening. The pipe launches you toward the coin in the sky.
- Star Coin 3 — Near the goal, use Raccoon Mario’s tail to break the Brick Blocks enclosing the final coin.
World 1-Tower
- Star Coin 1 — Before the Checkpoint Flag, take the left-hand route at the fork. Wall Jump up the narrow passage to collect the coin.
- Star Coin 2 — After the Checkpoint Flag, enter the red pipe above and to the left. Press the P Switch, ignore the blue coins, and concentrate on Wall Jumping to the top before the timer expires.
- Star Coin 3 — Near the end of the tower, drop carefully into the gap between the moving green blocks. Collect the coin and get back out before they close.
- Secret Exit — Go through the door after the Checkpoint Flag. In the room with blocks sliding from left to right, wait for a block to retract into the right wall. Walk through the temporary opening and enter the yellow pipe. The red flag unlocks World 1’s Warp Cannon, which leads to World Mushroom.
World 1-4
- Star Coin 1 — Collect the visible coin before the Gold Ring.
- Star Coin 2 — Enter the blue pipe before the Checkpoint Flag. Follow the mushroom platforms to the far end of the bonus area to reach the coin.
- Star Coin 3 — Look for the gap among the ? Blocks and Brick Blocks. Jump to reveal a hidden block containing a Vine. Climb it, press the P Switch, and follow the blue coins to the Star Coin.
World 1-5
- Star Coin 1 — The coin is on the main underwater route. A Fire Flower lets you remove the purple fish before swimming in to collect it.
- Star Coin 2 — Enter the yellow pipe. Swim repeatedly against the current to reach the coin, keeping away from the opening that pulls you downward.
- Star Coin 3 — After the Checkpoint Flag, check the two openings in the ceiling. Swim up through the appropriate gap to reach the final coin.
World 1-A
- Star Coin 1 — Drop through the opening beneath the two Brick Blocks and follow the passage to the coin.
- Star Coin 2 — Continue right after the Checkpoint Flag. Passing through a moving gate can close the route to the coin. If this happens, go left through the next moving block to reopen the passage, then return for the coin.
- Star Coin 3 — Near the goal, look beside the group of pipes. Reveal the invisible block near the left pipe, use it as a step, and enter the pipe farther left. The bonus room contains a large Piranha Plant and the last coin.
World 1-Castle
- Star Coin 1 — Wait for a platform to rise beneath the coin over the lava, then jump across rather than dropping into the lava to grab it.
- Star Coin 2 — Hit the blocks after the first coin and reveal the three invisible blocks above them. Climb up to the Super Leaf, build up running speed, and fly right to reach the coin in the air.
- Star Coin 3 — Let the large Thwomp slam down twice to break the blocks beneath it. Wait for it to rise before entering the cleared space to collect the coin.
- Roy — Let Roy charge into a wall. When he is stunned, jump on his head, then move clear of his shell and magic attacks. The walls move inward after each hit, leaving less room to dodge. Three successful stomps defeat him and earn the key.