Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
A skin collection is a collection of weapon skins available in Counter-Strike: Global Offensive. Each collection contains a varying rarity of skin tiers. When using the Trade Up Contract, the outcome is based on what skin collections are used as the input.