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Containing item: "Decay - Part 1"
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DecayCollection by BanJaxe
Set after the events of Portal 2. New Aperture has been left to Decay. The chambers are broken, find your own way out.
Best SinglePlayer MapsCollection by Ace Pyder
I know it's a lot but these are all, in my opinion, great quality single player maps.
PC Gamer: Best Portal 2 Singleplayer Maps & CampaignsCollection by Aradalf
PC Gamer's top Portal 2 singleplayer maps and campaigns, available here: pcgamer.com/2012/11/03/the-best-portal-2-singleplayer-maps-and-campaigns
Perpetual Testing Initiative Deluxe PackCollection by Razor
PERPETUAL TESTING INITIATIVE DELUXE PACK The best maps made by the Portal 2 community (Steam Workshop & Steam Store). IMPORTANT: Don't forget subscribe to all the parts and play them by order >>>> Steam Workshop - Map Packs - 12 Angry Tests (7 part
Hipercollection 4 th3 Cake!!By SnediusCollection by eX(s) Snedius
Todos los mejores mapas para single y co-op.
To play with BradyCollection by Spork
NOTHING, DON'T LOOK AT THIS!!!!!!!!
PortaalCollection by GodFather
mal.tomjess.jazz colletion'sCollection by jamal.jetom
SherL0cK SingleplayerCollection by Sylentic
All Maps played by SherL0cK Live on Twitch. If you are interested in playing them yourself Here is the Complete Collection of Singleplayer maps.
Sora's Fun Pack 1Collection by Sora Hjort
A collection of Maps I found fun, and had to unsubscribe to due to a limitation on how many maps you could have in the queue.
portal 2Collection by Hikaru
My favourite test chambers added from comnunity for single player
My favoritesCollection by Mini-Me
A collection of my favorite maps on the workshop. I put maps in here that I find very well done when playing.
Sweet MapsCollection by Paul 3478
For now, these are recommended single player maps. I will play coop this weekend and maybe add some good ones as I come across them.
Tatsuto's Testing SequenceCollection by Lava Lamb GO
Stuff I look forward to play.
Carbo's Portal 2 CollectionCollection by JoeyCarbo
Top rated SP and Co-op maps.
Priv CollectionCollection by Redeemed
Just for my friends.
collectiontitleCollection by CallMeBronco
awesomeCollection by shaky52
Map Solo 1Collection by Béhizèd
collection1Collection by Marsijan
arctics collectionCollection by LexTheWolf
for my frends so they can join
CSM2-1Collection by ψ(ˋ▽ˊ)ψ
LolCollection by wild.nt.97
Do I really need a collection to play these?
Portal 2 MapsCollection by FReek oF nAtuRE LLC.