CASE-SIM
Operation Breakout Weapon Case
Odds, Drop Rates & Complete Item List
Released June 23, 2014
Operation Breakout Weapon 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
5 items
Restricted
4 items
Classified
3 items
Covert
2 items
Knives
13 items
Operation Breakout Weapon Case FAQ
What are the odds for the Operation Breakout Weapon Case?
The Operation Breakout Weapon 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 Operation Breakout Weapon Case?
The Operation Breakout Weapon Case contains 27 unique items, including 13 Knives as rare special items.
What is the knife chance in the Operation Breakout Weapon Case?
The chance of unboxing a knives from the Operation Breakout Weapon Case is approximately 0.256%, or about 1 in 391 openings.
Can you get StatTrak items from the Operation Breakout Weapon Case?
Yes. Any item from the Operation Breakout Weapon Case has approximately a 10.00% chance of being a StatTrak version, which tracks your confirmed kills.
Try Opening the Operation Breakout Weapon Case
Test these odds in our free CS2 case simulator. No real money, no risk — realistic case openings with authentic drop rates.