Deponia

This achievement is story related and can't be missed.

After the cutscene proceeding the tutorial you'll be in Rufus' bedroom. Open the Suitcase on the bed to get a list of items you need to find.

-Provisions
-Bolt Cutter
-Toothbrush
-Pair of socks

You can find these by interacting with things and looking around.

Rufus' Room (Top level)
-Check the Cushion to the left of the suitcase on the bed to find a Green Sock. Take it.
-Now check the Old Escape Plans just to the right of the suitcase with before grabbing the Oil Can and Hand Torch to the right of that.

Living Area (Middle level)
-Interact with the First Aid Kit
-Try to go into Toni's Room to the right of the First Aid Kit
-Take the Severe Slip from the Guillotine
-Head to the left side of the room and take the Chafing Chit off the bathroom door.
-Open the bathroom door and take the Plunger.
-Attempt to take the Toothbrush from the cup on the left side of the Washbasin.
-Interact with the Washbasin.
-Open the locker to the left of the Washbasin. Take the Bolt Cutter and the Detergent. Close the locker
-Interact with the Toothbrush in the corner of the ramp.
-Go down the ramp to the bottom level.

Living Area (Bottom level)
-Attempt to open the Closet between the ramp and sink. Use or to select the Plunger then hit to use the Plunger on the Closet to reveal a Mouse Hole.
-Interact with the Moise Hole to get a Mouse Trap.
-Interact with the sink to the left to get a Pot of Water.
-Take the Fork and Malicious Memo from the sink.
-Take the Bitching Post-It from the Fridge then open the Fridge to find a Yellow Sock. Take it.
-Interact with the Coat that's hanging to the left of the Fridge to find a Blue Sock.
-Head to the right and interact with the Crumbs on the Sofa.
-Use or to select the Can o' Used Oil and then use it on the sink to get an Empty Can.
-Use the Empty Can on the Sofa Crumbs to get Provisions.
-Take the Nagging Note from the Sofa.
-Open your inventory and Inspect one of the socks using .
-Head to the right of the Sofa to the Hotplate. Use your Pot of Water on it.
-Use or to select the Oven and open it. Use the D-Pad to switch to a Bunch of Notes and use them on the Oven.
-Switch to the Hand Torch and use it on the Oven.
-Switch to the Detergent and use it on the Pot of Water.
-Use all three socks on the Pot and then use the Fork on the Pot. You now have a Pair O' Socks.
-Open your inventory and combine the Mouse Trap with the Provisions to get a Trap with Bait.
-Head back to the Toothbrush that keeps popping up and use the Trap with Bait on the Dark Corner to get the Toothbrush and finally this achievement.