Gamma Case The Gamma Collection
- Skins
- 17
- Covert
- 2
- Rare Special Item
- Rare Special Item
- Released
- 2016
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
The Gamma Case holds 17 skins plus a rare special item (Rare Special Item). Its Covert skins are Glock-18 | Wasteland Rebel, M4A1-S | Mecha Industries. Below you'll find every item with its exact drop chance from Valve's published odds and a simulator to open it for free.
Gamma Case contents
All 17 skins, highest rarity first. Each item's chance is its rarity's published odds split evenly across the items in that rarity.
★ Rare Special Item
0.26%
★ Rare Special Item
1 in about 385 opens (0.26%) gives a rare special item. In this case that's one of these knives, in any of its finishes:
- ★ Bayonet
- ★ Flip Knife
- ★ Gut Knife
- ★ Karambit
- ★ M9 Bayonet
Covert
2 items · 0.64% total
Classified
3 items · 3.2% total
Restricted
5 items · 15.98% total
Case opening simulator
Open the Gamma Case as often as you like and compare your results with Valve's odds. Single opens play the reel; ×10 rolls ten at once.
Simulation only. Nothing here is real: no keys, no items, no money. Every roll uses Valve's published odds and an even split within each rarity.
Your results vs expected
| Rarity | You got | Expected |
|---|---|---|
| Rare Special Item | 0 | 0 |
| Covert | 0 | 0 |
| Classified | 0 | 0 |
| Restricted | 0 | 0 |
| Mil-Spec Grade | 0 | 0 |
Session history
Open a case to start your session.
Gamma Case drop odds
Valve's published odds by rarity, with the number of Gamma Case items in each rarity and the resulting chance per item. A specific Covert skin is 0.32% per open, and any single Mil-Spec skin is 11.42%.
| Rarity | Chance | About 1 in | Items | Per item |
|---|---|---|---|---|
| Rare Special Item | 0.26% | 385 | 5 | 0.052% |
| Covert | 0.64% | 156 | 2 | 0.32% |
| Classified | 3.2% | 31 | 3 | 1.07% |
| Restricted | 15.98% | 6 | 5 | 3.2% |
| Mil-Spec Grade | 79.92% | 1 | 7 | 11.42% |
Source: the odds Valve publishes for CS2 weapon cases. Inside a rarity, every item is equally likely. Any weapon (and any knife) also has a 10% chance to be StatTrak™. Gloves are never StatTrak™.
The Gamma Case (The Gamma Collection) contains 17 skins: 2 Covert, 3 Classified, 5 Restricted and 7 Mil-Spec. With Valve's published odds, each Covert skin (Glock-18 | Wasteland Rebel, M4A1-S | Mecha Industries) drops 0.32% of the time, and a StatTrak™ Covert is about 0.064% per open. Its rare special item is the Rare Special Item pool (Bayonet, Flip Knife, Gut Knife, Karambit, M9 Bayonet) at 0.26% per open, roughly 1 in 385.
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Gamma Case FAQ
What's in the Gamma Case?
The Gamma Case contains 17 skins: 2 Covert (Glock-18 | Wasteland Rebel, M4A1-S | Mecha Industries), 3 Classified, 5 Restricted and 7 Mil-Spec, plus a rare special item (Rare Special Item).
What are the Gamma Case odds?
Valve's published odds apply: Mil-Spec 79.92%, Restricted 15.98%, Classified 3.20%, Covert 0.64% and rare special 0.26%. Split across this case's items, each Covert skin is 0.32% per open and each Mil-Spec skin is 11.42%.
What knife or gloves can drop from the Gamma Case?
The Gamma Case's rare special item is a knife: Bayonet, Flip Knife, Gut Knife, Karambit, M9 Bayonet. It drops 0.26% of the time, about once every 385 opens, and can be StatTrak™.
Can the Gamma Case drop StatTrak™ items?
Yes. Every weapon and knife from the Gamma Case has a 10% chance to be StatTrak™, so a StatTrak™ Covert is about 0.064% per open.
Can I open the Gamma Case for free?
You can simulate it for free on this page. The simulator uses Valve's published odds and opens nothing real: no keys, no items, no money. In-game, opening a case needs its matching key.