Skyhill

After finding a computer in a room. Use it to find a file. Select the file to open it, and the computer will begin asking questions. You can respond with "Y" for yes or "N" for no then pressing "Enter". Use any response until the questions end.

Save all the required healing items. When in need of healing, return to your apartment and craft the medium medkit. Note: This can be done over multiple playthroughs.

Obtain a stick, a nail, barbed wire, and scrap metal to upgrade your door to the maximum level.

Craft the mop early and use it to defeat ten enemies in a row under the easy difficulty setting. Do not change your weapon.

Battle earlier monsters without wielding a weapon or healing.

This can be difficult, depending on the number of locked doors that appear. Stocked up on food and craft a useful weapon early to be able to explore faster. With luck, you will have a small amount of locked doors and enough keys. Also, after completing the game you will have access to a perk that allows you to unlock doors without a key. However, it can only be used once every 100 turns. Note: You do not have to kill the monsters in the rooms for them to qualify as explored.

During normal progression you will find expired food. Eat one to get food poisoning.

Various blue keycards can be found. They are used instead of keys to enter certain rooms. Have a keycard available and use it when required to open a door. The keycards can also be crafted.

This requires some luck. Your stats such as Dexterity do not seem to matter.

You will eventually find a man hanging from a noose from the ceiling. Select him to get a close-up view. Select him again to make him drop. Select him once more to remove whatever item he may have with him when he falls to the floor.