Amnesia: The Bunker

This is probably best paired with the achievement "Toot Sweet" which is for speed running the game faster than any of the developers.

I recommend doing this on easy and if you've already played through the game it's really not that bad. Watch out for traps, and as far as dealing with the beast on easy difficulty you only need to shoot it one time with a revolver to send it back into the walls.

1) Turn the power on
2) Go get delisles dog tag (officers quarters), grab the replacement valve, and turn the emergency lockdown off.
3) Go to soldiers quarters, turn the power on, get the communications key, and get the arsenal code.
4) Go to maintenance, grab the pillbox key, then grab foremans dog tag.
5) Go to foremans locker and get the wrench.
6) Head to the prison and grab the cutters.
7) With the cutters and arsenal code go to Arsenal and grab the dynamite.
8) Grab the detonator handle in Tunnels in Arsenal. (Grab rabbit while hear to)
9) Blow the hole to leave the bunker.
10) Last boss fight throw the rabbit on wooden bridge, blow up the bridge with a grenade, leave the bunker ending the game.

I have a video guide that shows you how to get this achievement as well as competing the game without saving, and completing the game without storing or dropping items.

This is probably best paired with the achievement "Toot Sweet" which is for speed running the game faster than any of the developers.

I recommend doing this on easy and if you've already played through the game it's really not that bad. Watch out for traps, and as far as dealing with the beast on easy difficulty you only need to shoot it one time with a revolver to send it back into the walls.

1) Turn the power on
2) Go get delisles dog tag (officers quarters), grab the replacement valve, and turn the emergency lockdown off.
3) Go to soldiers quarters, turn the power on, get the communications key, and get the arsenal code.
4) Go to maintenance, grab the pillbox key, then grab foremans dog tag.
5) Go to foremans locker and get the wrench.
6) Head to the prison and grab the cutters.
7) With the cutters and arsenal code go to Arsenal and grab the dynamite.
8) Grab the detonator handle in Tunnels in Arsenal. (Grab rabbit while hear to)
9) Blow the hole to leave the bunker.
10) Last boss fight throw the rabbit on wooden bridge, blow up the bridge with a grenade, leave the bunker ending the game.

I have a video guide that shows you how to get this achievement as well as competing the game without saving, and completing the game without storing or dropping items.

Completing the game without saving shouldn’t be too difficult after completing the game a few times, as the game is quite short when you focus on the key items. Try not to run or make excessive noise, keep the generator fueled, and stock up on bullets, grenades and medkits. Whenever the Beast spawns, you can scare it off with a single shot from the Revolver on Easy difficulty, so always make sure your Revolver is reloaded and ready to go.
While you cannot save, the game does make 2 autosaves – one upon entering the bunker (which is immediately if you skip the opening on a repeat playthrough), and one after blowing up the dynamite before the final area. You can use this first autosave to your benefit in the event you die (or suffer a crash), as all the codes in the game will be static upon starting a playthrough. This means that if you note down the codes while playing, you can use these immediately from the first checkpoint to gather supplies and skip needing to go into Maintenance for the Foreman’s Dog Tag and into Soldiers Quarter for the Arsenal Code.