Rememoried

Story related, cannot be missed. Unlocks upon completing the twentieth level.

I would recommend following a video guide as it is rather difficult to explain a walkthrough via text.

Maka91 has prepared an excellent video walkthrough

If you prefer a more basic text description, here is a general overview of the game

Level 1

• Look around for a sign from your starting point
• follow it in the direction it points and you should see a light
• as you approach there will be a ghost like creature below the light
• jump into it to end the level
• Level 1

Level 2

• right in front of you is a pink tree and below it some rocks and gears
• you need to climb up the rocks to reach the tree, but the rocks aren't all there
• as you climb, spin around to move rocks to create a path
• each spin moves things around at random (rememorization - this is the main game mechanic for all puzzles)
• it may take a number of spins until the next rock appears
• one you reach the top, the level ends
• Level 2

Level 3

• walk straight ahead across the white star platforms (you don't need to jump) until you reach the bench
• look to the stairs to your left
• now rotate until the floating island is positioned level with the top of the stairs
• jump over the remaining platforms and up the stairs to end the level
• Level 3

Level 4

• this level is obnoxious
• from your starting point, you need to reach an island high in the sky with a ladder on it
• this island doesn't move, but all the others do
• you need to keep rememorizing to create an ascending path to reach the ladder island
• this one may take a while

Level 5

• walk straight backwards away from the couch when the level starts until the scene changes
• you should now see a bunch of black buildings
• walk forward and a gear will appear in front of you
• continue forward to reach the centre of the gear which ends the level
• Deja vu

Level 6

• when the level starts, don't move, but rather spin around until you can see a sign post
• follow the direction it points in and a light should appear
• keep walking directly towards the light and touch the couch beneath it to end the level

Level 7

• in this level you will start in a cube that makes you buoyant
• your objective is directly above you
• move from cube to cube until you can reach the white building
• spin to move cubes so you can progress
• try not to travel too far outside a cube or you will fall through the bottom and need to restart

Level 8

• turn around at the start and you should see a queen chess piece in the ruins
• now turn back and progress forward, looking side to side
• you are trying to find the other queen amongst the ruins
• her location will be marked by a star in the sky above her

Level 9

• easy - just look for the moving white cube
• catch it to end the level
• Illusion

Level 10

• turn 180 degrees at the start, and follow the path
• you need to move off the path periodically or you will die
• keep progressing forward, splitting your time on then off the path until you reach a lamp and chair which you can touch to end the level

Level 11

• try not to adjust your view up and down, but rather spin around maintaining the horizon
• you are looking for 2 star cubes
• when you find them, walk straight into them and there should be a face
• touching it ends the level
• Level 11

Level 12

• similar to Level 10, but this time you are on a walkway of cogs
• turn around, so that you are going in the direction where there is a building in the distance
• rotate to rememorize any missing cogs so that you can pass safely
• note that you can jump across gaps of a single cog, but not two
• it is pretty easy to fall off though, so if you prefer you can just keep spinning to fill in the gaps
• Level 12

Level 13

• almost the same as Level 7, except this time you are dealing with half spheres
• they don't make you buoyant, but jumping as you go up them will often propel you up
• again, rememorize as needed to move spheres if you don't have a path forward
• your objective is the glowing area at the top, touching it will finish the level
• Level 13

Level 14

• here you are supposed to rememorize to create a path of bridges across to an island with a sunflower
• however, there is a glitch - below you is a solid path of stars you can drop down on and walk straight to the island
• it isn't always there, so if you drop down and die, retry and it usually appears

Level 15

• here you are looking for a cabin
• use the music to point you in the right direction
• as you approach the cabin you will see the door is solid white
• walk around to the back of the cabin and up the stairs to find a gramophone playing the music
• once you touch it, you can walk back outside and around to the front
• the door will now be open (no longer white)
• walk inside and touch the glowing white area to end the level

Level 16

• rememorize from the starting area until you can see a moon with a bunch white stair cases around it
• walk up to it to see the moon is on a rock pillar
• you are supposed to rememorize the staircases to create a path up, but this is a pain and seems to take forever
• instead walk around the pillar and jump on it, while looking up at the moon
• usually you can find an angle that glitches and allows you to ascend directly up the pillar and bypass the stairs

Level 17

• exit out of the dome you start in, and look up at the sky
• rotate until you find a floating windmill
• walk towards it and you will find a blue flower on the ground directly below
• touching it will end the level

Level 18

• not much I can offer to help with this level
• you start in the middle of a park, surrounded by a bunch of lamps and hedges
• somewhere in this maze is the small blue flower from Level 17
• all you can do is move around while jumping, trying to spot it
• fortunately the area isn't too big so you will stumble across it eventually

Level 19

• the level will start with music playing and a white orb moving around
• you need to stay close to the orb to keep the music going
• try to stay back a short distance so you can see where it goes
• if you fall too far behind the screen will turn black
• you need to track it for about 2 minutes until the level ends
• Infinity

Level 20

• just walk straight forward and a string of text will pop up periodically
• when the text ends, the screen will blur and the game ends
• Finish