Finish the opening conversation with the doctor Introduction, then talk to the girl about everything Lady Killer. Pick up the syringe from the tray on the right. Open the closet on the left and examine the jars on the top shelf. Talk to the doctor about everything, including the Midazolam.
Show picture of the scientist from your inventory to the girl, and she will agree to help you. Talk to her again and ask her to distract the doctor, then go and take the sedative from the closet. Talk to the guard and say you need to go out urgently because you feel sick.
Combine the syringe with the sedative in your inventory, then use this with the guard's feet Sweet Dreams. While you are here, read all 4 lots of graffiti Funny Man. Take the clothes from the unconscious guard, then leave the bathroom.
There are 4 doors leading from the hallway. Head through the near left door.
Take some rubber from the floor just inside the room, and the packing tape from a shelf over on the right.
Use your packing tape on the unconscious guard The Caterpillar, then pick up the baseball bat Big Stick.
Try to open the door to far right door to the warehouse, but it is locked. Head down to find a new area.
Talk to the muscular guard and ask for the warehouse key, but you need a code. Examine both billboards on the left wall, then take a guard log from the far one. Look at this in your inventory, and click on the key symbol. Talk to the bad tempered guard and ask him what is wrong with him until he tells you he has a headache Nuisance guy.
Ask the doctor if he has anything for a headache. Examine the guard log in your inventory again and click on the blank space.
Give the guard log to the hefty guard and he will sign it. Talk to Corporal Ramirez and ask for the warehouse key again, giving your password as Rojo GateKeeper.
Use the key on the far right door and head inside.
Take the matches from the shelf and the newspaper from the ground. Search the box to get a rope. Open the piece of furniture on the right and search it to get some lubricant oil. Talk to the rat in the bottom right corner The Piper.
Try to take the serum holder, but it is rusted to a hook in the ground. Use your lubricant oil on it, then take it.
Use your newspaper, rubber and matches on the trash can to start a fire Incendiary.
Take the fire extinguisher from the wall.
Examine the window, then look down to see the guard. Use the fire extinguisher on him Off down!.
Use your rope with the grating over the window.
Save your game. Look out the window and use the serum holder on the rope Perfect escape. Watch the ending and the credits The Escapist. There are extra achievements for completing the game within 4 hours Marathon Runner, and without using the hint system The Riddle.
The fastest way to get the final achievement is to load your game and just perform the final act one more time The perfect escapist.