A guide to completing World 8-3 in Super Mario Bros 1 for the Nintendo Entertainment System.

Explore World 8-3

There is a cannon to the right, followed by a Paratroopa and another cannon. To the right of that, there is a pipe, followed by two Hammer Brothers. In the upper set of bricks in the Hammer Bros' area, the second brick from the right contains a Mushroom or Fire Flower.

After the Hammer Bros, there are some stairs, then a cannon, then a Paratroopa.

After a couple of block pillars, there are two more Hammer Bros. In the upper set of bricks in this area, the second brick from the left contains a Mushroom or Fire Flower.

After that, there is a pipe, followed by a Koopa Troopa, then a single Hammer Brother, another single Hammer Brother, and a pipe.

After that pipe, there are two more single Hammer Bros. Near the right side of the castle wall here, there is a brick that you can hit to get coins.

After that, there is a short block pillar, then several blocks leading upward. Go to the top of the blocks and make a running jump to the right to reach the goal pole. You will go to the final world, World 8-4!