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Countdown to ExtinctionCollection by mucusSTfriend
This is a collection of maps with increasing difficulty. Compeling visuals, challenging puzzles.
The Office PrankCollection by Camßεn
When you are at work at aperture science, you find out that your co-workers are nowhere to be found. What dark secret may lie at the bottom of this? The story is told through email screens and other interactable objects, so be sure not to miss those.
Tuleby´s chambersCollection by tuleby (CZ)
INTO THE MULTIVERSE (an incomplete adventure)Collection by Blappeture Executive NO.1
The enrichment centre has worked hard to build the first ever Multiverse Device. However, you are but a mere test subject and are not privy to its sensitive machinery. So it was only natural that when you walked past security and pressed a few buttons when
DescensionCollection by Storm
HELLOOOOOO! If you're interested in this series and want to stay up to date or make sure that you don't miss an opportunity for you to contribute to the maopacdk then join this group! CLICK ME! [
Best SinglePlayer MapsCollection by Ace Ryder
I know it's a lot but these are all, in my opinion, great quality single player maps.
The ChickentestsCollection by ChickenMobile
Here is the chickentest collection for your enjoyment. Chickentest 3 is very fun. If you don't like the others, make sure you play that one!
UndergroundCollection by BEN 77
COSMOGONY - The Complete CollectionCollection by dr.Dreey
Cosmogony is a 6 part map pack taking place during GLaDOS activation in the Enrichment Center. You are some of the few survivors of the neurotoxin disaster and with some help, you try to find a way out of Aperture. The map pack features custom content, a s