CASE-SIM
CS20 Case
Odds, Drop Rates & Complete Item List
Celebrating the 20th Anniversary of Counter-Strike, this weapon case contains a variety of weapon finishes from Steam Community Workshop and features the Classic Knife as the rare special item, a classic of the Counter-Strike series.
Released October 14, 2019
CS20 Case Drop Rates
Probability of each rarity tier per opening
StatTrak items have a ~10.00% chance on any eligible drop (~1 in 10)
Knives: ~0.256% chance per opening (~1 in 391)
Source: Valve (CS:GO China) · Learn more about CS2 case odds
Mil-Spec Grade
7 items
Restricted
5 items
Classified
3 items
Covert
2 items
Knives
13 items
CS20 Case FAQ
What are the odds for the CS20 Case?
The CS20 Case uses official Valve drop rates. The most common tier has a 79.92% chance, while the rarest standard tier has a 0.26% chance per opening.
How many items are in the CS20 Case?
The CS20 Case contains 30 unique items, including 13 Knives as rare special items.
What is the knife chance in the CS20 Case?
The chance of unboxing a knives from the CS20 Case is approximately 0.256%, or about 1 in 391 openings.
Can you get StatTrak items from the CS20 Case?
Yes. Any item from the CS20 Case has approximately a 10.00% chance of being a StatTrak version, which tracks your confirmed kills.
Try Opening the CS20 Case
Test these odds in our free CS2 case simulator. No real money, no risk — realistic case openings with authentic drop rates.