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This video shows how to find and get through the secret level in Limbo chapter 26 (PS3/PC) to obtain the hidden Ding! achievement. For more details and tipps please make sure to enable the YouTube video annotations before watching. As far as I know the secret level is only available on PC and PS3 versions of Limbo yet.
The entrance to the secret level is located in chapter 26 (the one with the huge fly on the level preview). You may have been down there already in your first playthrough but the door was locked. To unlock the level you have to collect all 10 hidden eggs in the main game and get their corresponding achievements first. In case you missed some eggs on your first playthrough I've made another video (http://www.youtube.com/watch?v=6q2cwCKBF-8) showing all egg locations.
The secret level plays in almost complete darkness and is quite tricky. The video shows my first try on this level. I died several times, so please excuse the cuts in the video. This level is challenging but not frustrating and there are checkpoints available as in the other levels.
I suggest to use a gamepad because it's easier to walk with an analog stick and to use headphones or at least turn up your speakers before playing because some obstacles can only be passed by listening. So be careful what you see and here.
Here's a list of all obstacles and their corresponding times in the video:
- Secret level entrance (0:42)
- Machinegun and brainslug (0:58)
- Ladders with machineguns (2:05)
- Horizontally moving saw blade with gap (2:36)
- Moving platform under saw blades (3:30)
- Three vertically moving saw blades (4:10)
- Burning objects (5:00)
- Slope with saw blades (5:25)
- Three horizontally moving saw blades (5:41)
- Parallel moving machineguns (6:35)
- Elevator to surface (7:40)
At the end of the secret level you climb into an elevator that brings you back to the surface into the normal game. The exit is in chapter 34 where normally the hidden egg for the "Under Ground" achievement is located. Here's a video showing the exit http://youtu.be/6q2cwCKBF-8?t=7m11s
Feel free to ask questions in the comments and please click thumb up if you liked this video and it helped you :)
What is Limbo? Limbo is a great indie jump'n'run game which was first released on Xbox and finally made it to PS3, PC on Steam (http://store.steampowered.com/app/48000/) an iOS on iPhone and iPad. I really love this game so I decided to make this walkthrough for everyone who can't get enough of Limbo and wants to get about 10 minutes more playtime out of this game. If you want to try the game there's also a demo available.