Effects (β++)
Jet
Interact with the light blue flashing thing in The Nexus. Walk right until you see a building with red squids painted on it. Enter it, and follow the path until you find a jetpack. Interact with it.
Drum
Step on the white and red tile in The Nexus. Follow the path until you find a neon worm. Interact with it, and go left. Follow the path until you find a drum. Interact with it.
Digital
Interact with the orange spinning cog in The Nexus. Go southeast until you find a metro station. Enter it. Go down the stairs and keep going left until you see a floating machine. Interact with it.
Vision
Interact with the brown glitching thing in The Nexus. Go down until you find a red arrow. Follow it and go between the data pillars. Go southeast until you find a metro station. Go right from there until you find two purple data pillars. Go between them, and go up until you find a purple cube. Interact with it.
Moonlight
Interact with the lamp post in The Nexus. Go northeast until you find a big building. Go right to find the entrance. Once inside, follow the main path to the right edge of the building. Enter the two doors. Go up, and follow the path until the path splits. Go right, and keep following the path. When you come across two ladders, follow the ones that go up. Go up again to find yourself in a place where the music gets more intense. Follow the path until a gray block blocks your path to the right. Go up, and interact with the white creature to get the block out of the way. Then go right, and down the ladder. Keep going down until you start going faster. Turn back, and you'll be in a different place. Follow the path until you find the effect.
Tatami Shield
Interact with the lamp post in The Nexus. You need to collect four red triangles in this area. Three of them are in the main area, and one of them is in a building. You have to solve a puzzle to get the one in the building. After collecting all triangles, go up from the building with the red triangle to find a shield. Interact with it.
1-bit
Interact with the gray metal pillars in The Nexus. Walk right until you see a stone path leading down. Go down until you see a television. Interact with it. In the White Desert, go down until you see a stone path on your left side. Go left to see a red arrow at the end of the path. Instead of going to the red arrow, go up and follow the path until you reach an area with lots of bushes. Make your way through the bushes to find a crying statue. Interact with it.
Events & noteworthy places (β++)
Squid Sky Sqraper
Interact with the light blue flashing thing in The Nexus. Walk southwest until you see a tall building. Enter it. Go up until you reach an elevator. Go up until you see a squid blocking the entrance. Talk to the squid, and answer anything when asked a question. After the squid has moved out of the way, you can enter the Squid Sky Sqraper. Enter the door to enter the exhibition. Interact with any of the machines to see different stuff.
Argon's Inspiration
Interact with the gray metal pillars in The Nexus. Walk right until you see a stone path leading down. Go up until you see a red thing. Interact with it. In the next room, interact with the red triangle. You will now see the triangle you came from, and another triangle in a seemingly unreachable area. Make your way through the maze to that triangle. Interact with it. Follow the path, and interact with the next triangle. Ignore the triangle at the top right corner of the room, and interact with the floating cube. Make your way through the teleport maze until you find an orange tile. Step on it. In the next world, go up until you find a staircase. Go down the stairs to end up in a room that resembles the Number World from Yume Nikki. In every room, you have to figure out the shape of the room, and enter the door that is in the center. In the last room, you will have to go back through the door you went through. If you enter a wrong door, you will be sent back to the previous world. If you succeed, you will end up in an isolated area in a field. You will get some dialogue congratulating your success.
Praying
Interact with the lamp post in The Nexus. Go down until you come across some water. Go left until you can go down again. Go right and around the water to find a red gate. Enter it. Go up to find a building. If you interact with the box in front of the building, you can insert some money, and Yon Goh will start praying.
Modifier Shop
Interact with the orange spinning cog in The Nexus. Go down until you find a building with a spiky rooftop. Go behind it and enter the alley. Enter the door. Here you can pay money to get upgrades to some of your effects.
Obstacle Course
Interact with the orange spinning cog in The Nexus. Go northwest until you find a building that you can enter. Enter it, and go down the ladder. Go left until you can go down, and go around the water and to the right. Go up and enter the door with light coming from it. Go left until you find a really fast white creature. Interact with it. Go northwest until you find a tile with an eye. Step on it. There are two playable levels in the obstacle course. The reward for the first one is a secret code for one of the minigames. The reward for the second one is 1000 KaYens.