Isolomus offers twenty achievements to unlock. This guide provides a brief description on how to do so. Note that all of the solutions are hidden by spoiler tags, should you prefer to only look for a hint of the scene wherein a certain achievement can be obtained.
There Is No Escape
Solution
Unlock the door. Contributes to the ugly ending.
Stay Safe
Solution
Nail the door shut. Contributes to the evil ending.
Goodbye Ariadne
Scene
Second dream (cord cutting)
Solution
Use the knife on the cords that are attached to the green figure. Contributes to the ugly ending.
Fresh Meat
Scene
Second dream (cord cutting)
Solution
Use the knife on the green figure. Contributes to the ugly ending.
Illusions
Scene
Second dream (cord cutting)
Solution
Use the knife on the red figure or the cord that is attached to it. Contributes to the evil ending.
Acephalus
Solution
Alternate between the faces biting one another. One of them should be bitten four times while the other one — five times, causing them to devour each other. Contributes to the ugly ending.
Losing the Last Hope
Solution
After having formed the creature, let it fly out of the window. Contributes to the ugly ending.
Medium Rare
Solution
After having formed the creature, use the knife on it. Contributes to the evil ending.
Why so Serious
Solution
Shoot the brown figure in the upper left window. Contributes to the ugly ending.
Stay Tuned
Solution
Shoot everyone but the brown figure in the upper left window. Contributes to the evil ending.
A Ticket to Hell
Solution
After leading the figure to the rightmost tooth, enter the mouth. Contributes to the ugly ending.
Disappointments
Solution
After leading the figure to the rightmost tooth, smear it with the toothbrush. Contributes to the evil ending.
Das Buch
Solution
After arriving to the gathering, choose to take a drink. Contributes to the ugly ending.
Just a Waste of Talent
Solution
After arriving to the gathering, choose to leave. Contributes to the evil ending.
Kafkaesque Nightmare
Solution
Fill the screen with letters by pressing the buttons on the computer. Contributes to the ugly ending.
Brand New Face
Solution
Click on the letters on the screen, causing them to vanish. After a face appears, use the hand to claw it off. Contributes to the evil ending.
Blah Blah Blah
Solution
After having untaped the mouth of the visage, feed it the messages that appear on the bottom of the phone screen. Contributes to the ugly ending.
Mediaworm
Solution
Enter the mouth of the visage after you have untaped it. Contributes to the evil ending.
Ugly Ending
To get the ugly ending, commit all of the actions that are related to the following achievements in one playthrough: There Is No Escape, Goodbye Ariadne or Fresh Meat, Acephalus, Losing the Last Hope, Why so Serious, A Ticket to Hell, Das Buch, Kafkaesque Nightmare and Blah Blah Blah.
Evil Ending
To get the evil ending, commit an action that is related to at least one of the following achievements: Stay Safe, Illusions, Medium Rare, Stay Tuned, Disappointments, Just a Waste of Talent, Brand New Face or Mediaworm. Dealing with the two-headed man in a different way than what Acephalus requires will trigger the evil ending as well.
That’s all we are sharing today in Isolomus Unlocking All Achievements Guide, if you have anything to add, please feel free to leave a comment below, and we’ll see you soon.
Credit to Dysthymia
