Prisma Case The Prisma Collection
- Skins
- 17
- Covert
- 2
- Rare Special Item
- Rare Special Item
- Released
- 2019
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
The Prisma Case holds 17 skins plus a rare special item (Rare Special Item). Its Covert skins are Five-SeveN | Angry Mob, M4A4 | The Emperor. Below you'll find every item with its exact drop chance from Valve's published odds and a simulator to open it for free.
Prisma 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:
- ★ Navaja Knife
- ★ Stiletto Knife
- ★ Talon Knife
- ★ Ursus Knife
Covert
2 items · 0.64% total
Classified
3 items · 3.2% total
Restricted
5 items · 15.98% total
Case opening simulator
Open the Prisma 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.
Prisma Case drop odds
Valve's published odds by rarity, with the number of Prisma 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 | 4 | 0.065% |
| 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 Prisma Case (The Prisma Collection) contains 17 skins: 2 Covert, 3 Classified, 5 Restricted and 7 Mil-Spec. With Valve's published odds, each Covert skin (Five-SeveN | Angry Mob, M4A4 | The Emperor) 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 (Navaja Knife, Stiletto Knife, Talon Knife, Ursus Knife) at 0.26% per open, roughly 1 in 385.
Get the Winning Edge
Real-time overlays, automatic match tracking, and exclusive tools — everything you need to climb, free on your PC.
- In-game overlays
- Automatic match tracking
- Desktop-exclusive tools
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Prisma Case FAQ
What's in the Prisma Case?
The Prisma Case contains 17 skins: 2 Covert (Five-SeveN | Angry Mob, M4A4 | The Emperor), 3 Classified, 5 Restricted and 7 Mil-Spec, plus a rare special item (Rare Special Item).
What are the Prisma 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 Prisma Case?
The Prisma Case's rare special item is a knife: Navaja Knife, Stiletto Knife, Talon Knife, Ursus Knife. It drops 0.26% of the time, about once every 385 opens, and can be StatTrak™.
Can the Prisma Case drop StatTrak™ items?
Yes. Every weapon and knife from the Prisma Case has a 10% chance to be StatTrak™, so a StatTrak™ Covert is about 0.064% per open.
Can I open the Prisma 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.