It’s very easy to do so. So once you enter the level, stomp on the mushroom guy called a goomba, hit a question mark block to get a power up while you’re at it. You will have 4 pipes to jump on, maybe kill the goombas too. Now you have two options, move on through the level and get a sweet fire flower, or go in the 4th pipe and get sweet sweet coins, or now that I think of it, maybe even both if you can. If you hit the right spot, you might get a 1-UP. You will be introduced to a new enemy called a Koopa Troopa, more commonly known as just a Koopa. To defeat it, either, jump on its shell and kick it to somewhere else, or use a fire flower, and shoot the turtle while it has its whole life flash before its own eyes. There will be holes, so be careful! Once you made it to the end, jump into that flag and win the level!