Sour Milk - In the chapter "Beginning of Strangeness" defeat Mita in the game "Milk Scandal"
Click of Darkness - An achievement that most players will get right away. Refuse to stay with Mita in the chapter "Beginning of Strangeness"
Dead Juice - In the chapter "We are together" by pressing the remote control, turn on the TV, after which Mita will offer you to drink juice, to which we agree.
Penguin Lunch! - In the chapter "Beginning of Strangeness" defeat Mita in the game "Penguin Heaps"
Here and without a screenshot it will be clear)

Safe of life - In the chapter "Basement" enter the secret code, after which opening the safe you will see a small laptop and, apparently, with a camera at the back. The player will decide to get the cartridge, after which you will be thrown into the main menu of the game.
Oh great Mita! - In the chapter "Mannequins and forgotten puzzles" find the secret room, then enter the message there. (the player will enter it himself)
I found you! - In the chapter "Reading books and destroying glitches" look at Mita's figurine for a long time, after which it should follow you.
Tasty Love - Try the sauce in the chapter "We are together"
Conditions met - You need to meet all the conditions to stay with Mita in the chapter "We are together"
"Complete the game at least once, start a new game
Do not open the oven while searching for the comb
After collecting the fourth battery, pick up the magnets from the floor
Do not look into the ventilation in the bathroom
Agree to try the sauce
Play the console with Mita"

Speed ​​up! - Complete the game "Space Car" in the chapter "Beyond the World"
Slap on the head! - In the chapter "Beyond the world" defeat Cap in the game with the red button.
All players are mine - Collect all player cartridges.
It's clear even without a screenshot)

Hello Mita - Collect all flash drives with Mitas.
It's clear even without a screenshot)

Is this the end? - Finish the story.
It's clear even without a screenshot)

I've accelerated to the limit! - In the chapter "Beyond the World" get rank S+ in the game "Space Car". To do this, you need to finish first and collect all 10 crystals.
Any achievement? - Open the front door in the chapter "Old Version"
The Great Dance - In the Beyond the World chapter, defeat Cap in the rhythm game.
Long Tail - In the Real World chapter, complete the Snake game on the player's computer, right after Mita appears.
You Shall Not Pass! - In the Dummies and Forgotten Puzzles chapter, follow Chibi Mita until she escapes.
Phase 1 Logs - In the Old Version chapter, complete the first part of the Quadra-Liner game in the computer inside the core.
Phase 2 Logs - In the Reboot chapter, complete the second part of the Quadra-Liner game in the computer inside the core.
Hellish Victory - Complete the Hetoor game in the Dummies and Forgotten Puzzles chapter
And Without Damage!? - Complete the Hetoor game without taking damage.
Carrot - In the Reading Books and Destroying Glitches chapter, find carrots 7 times.
Nerd - Collect all achievements in the game.
It will be clear here even without a screenshot)

Victory of the fly - In the chapter "Beyond the world" collect 25 coins in the game with the fly.