- Where I come from : take a photo of the window with the camera

- Little engineer : story related build the rocket in Winter

- Birdhotel : story related build the bird house in Spring

- Energy saver : turn off the desk lamp in the intro

- Know thyself : story related build the deer diorama

- Let some light in : open the curtains

- Memory lane : start the game on the handheld console (can be done in Summer)

- Disk jockey : spin a vinyl on the turntable (can be done anytime)

- Should I stay or should I go? : story related you'll be prompted to gaze out of the window after decorating your luggage

- Stillness : gaze out of the window for 1 minute straight

- A ghost was here : keep open at the same time all drawers (desk and closet) and closet doors

- Birdwatching : use the binoculars to watch the singing bird in Summer

- Play it one last time : after the end play whichever vinyl you want

- Thoughts on the wall : look at all the artworks on top of the turntable (there's one for each season)

- Whoops! : throw the skull plush out of the window (can be done in Spring)

- Harvest Season : during the intro grab 10 apples and put them in the bowl (you can also open the side windows for more apples

- Sticker collection : collect all stickers



- Pack everything : obtained by packing all the boxes in the intro

- Find a constellation : unmissable ; obtained by finding the dog constellation in Winter

- Make a painting : unmissable ; obtained by painting the dog constellation in Winter

- Build a birdhouse : unmissable ; obtained by building the birdhouse in Spring

- Take photos of birds : obtained by photographing three birds in Spring

- Finish the deer diorama : unmissable ; obtained by building the deer diorama in Summer

- Find 3 magazines : obtained by finding the three magazines, there's one in each season (except for Autumn)
The first one is in Winter, in the closet's third drawer
The second is in Spring, in the desk's second drawer
The third one is in Summer, on the bed.

- Listen to 4 records : unmissable obtained by listening to 4 vinyls/ switching season

- Take 5 photos : obtained by taking 5 photos using the camera (you'll be prompted to do so to progress in the story so it's kinda unmissable)

- Clean plant of dry leaves : obtained by removing the dry leaves off of two plants (they're lighter than the other leaves)
Spring : near the bed
Summer : near the window

- Find 6 fiction books - Find 3 science books - Find 3 philosophy books - Find 3 design books - Find 3 nature books : obtained by interacting with the amount of books for each category required, make sure to interact with every book in each season

- Find 3 spinners : obtained by finding all three spinners, there's one in each season (except for Autumn)
Winter : next to the turntable
Spring : in the bedside table's drawer
Summer : on top of the radiator under the window

- Find 3 cassette tapes : obtained by finding all 3 cassette tapes, there's one in each season (except Autumn)
Winter : on the floor hidden under wooden blocks
Spring : on the shelf above the bed
Summer : in the desk's second drawer

- Collect 9 badges : obtained by finding all 9 badges, there are three in each season (except for Autumn)
Winter : in the closet's second drawer , under the telescope, in the desk's second drawer
Spring : on the pinboard above the desk, in the closet's first drawer, on the red shirt's sleeve in the left part of the closet
Summer : behind the walkman, next to the right speaker, on the bed post next to the skateboard.