This level takes place underground. After a Paratroopa, cross a water hole and under a low ceiling by 2 Goombas. By one pipe, hit some invisible blocks then the garbage block to reveal a vine. This vine will take you to a Warp Zone that leads to World 3. If you continue underground, cross using platforms that sink while standing on them. After some pipes, continue ahead and you’ll see 3 Koopas along with some platforms. If you’re above ceiling, you can go down the pipe that goes deeper underground where you’ll cross water holes with pipes around them or continue ahead to find a Warp Zone that leads to World 2. In the deeper underground, by a red Koopa, hit some invisible blocks to find a Warp Zone that leads to World 4 or use the pipe to go back to the spot with 3 Koopas. Use the pipe to go back to the surface then cross the stairway to find the flagpole. ... https://www.youtube.com/watch?v=WTeEZ3keL_Q

Ecruteak City’s gym has a puzzle with a dark floor and elderly trainers. Navigate the floor and see if you take a clean path. If you step into a trap, you’ll be forced back to the entrance of the gym. Navigate through the dark floor and you’ll take on the gym leader. Morty uses Ghost type Pokémon. Normal type moves have no effect on Ghost types unless any of your Pokémon know Foresight. 3 of the opponents will use Mean Look to prevent switching out. One Haunter can use Mimic to copy off one of your moves you use on it. Gengar will be the hard part as it will combo with Hypnosis and Dream Eater. After winning, you’ll receive the Fog Badge and a TM30 (Shadow Ball). Shadow Ball has a 20% chance of lowering the target’s Special Defense stat. ... https://www.youtube.com/watch?v=jkm3eNewu1Q