Here is the full list of all 40 Alekon achievements.
Take a photo with at least 5 different fictions in it within the Realm.
Satisfy all fictions at Bizyburd's beach party.
Beat the hard level of Jolly Flipper's donut toss.
Beat the game.
Capture every fiction pose.
Unlock all fictions on Dream's Doorstep.
Throw one hundred donuts into the water.
Receive a perfect score on 10 photos.
Unlock the Snowdrop Slopes.
Unlock the Glimmerwink Grove.
Unlock the Prickly Pass.
Unlock the Well of Whimsy.
Fall from a really great height.
Ride atop Gantorta in the Prickly Pass.
Capture a perfect picture of the Shiny Curicarp.
Beat the hard level of Orashell's Conceal and Reveal game.
Answer every question correctly in Dracory's lore quiz.
Save Curicarp, Grumite, Wibble, and Feffo from hazards.
Beat the hard version of Grumbo's music minigame.
Beat the hard version of Waltok's music minigame.
Beat the hard version of Beato's music minigame.
Beat every music rhythm minigame.
Pass the hard version of Father Ostrix's quiz.
Complete a 144-piece jigsaw puzzle.
Read 10 idle thoughts.
Blow a dandelion in The Glimmerwink Grove.
Beat Molo at the highest difficulty of his minigame.
Beat Nekolar's crane minigame.
Jump 50 times in a row in Wibble's jump rope minigame.
Complete one of Scorch's recipes with just 3 ingredients.
Dress up 15 fictions.
Customize Dream's Doorstep by modifying the torches, auroras, fireworks, flags, hanged paintings, and fog.
Customize Dream's Doorstep by modifying the jack-o-lantern, cake, snowflakes, crystals, garlands, ice statues, and the Celebratory Spruce.
Customize Dream's Doorstep by modifying the flowers, firelies, and weather.
Customize Dream's Doorstep by modifying the stars, lanterns, graffiti, fiction colors, and donut.
Customize a photo with color tweaks, fiction vision, stickers, frames, and photo effects.
Take a photo of a fiction while slowing time and levitating in the air.
Complete all 4 puzzles that unlock Oa's seasonal aspects.
Take a photo of the underwater treasure chests on Idyll island.
Complete every quest.