What's in the Prisma Case?
The Prisma Case contains 17 skins: two Covert, three Classified, five Restricted and seven Mil-Spec. It also contains 28 rare special knives: the Navaja Knife, Stiletto Knife, Talon Knife and Ursus Knife, each in the six Chroma finishes. Every skin can also drop as StatTrak™.
Covert · 2
0.64% per opening for the tier, about 0.32% for each skin
Classified · 3
3.20% per opening for the tier, about 1.0667% for each skin
Restricted · 5
15.98% per opening for the tier, about 3.196% for each skin
Mil-Spec · 7
79.92% per opening for the tier, about 11.4171% for each skin
These skins form The Prisma Collection.
Prisma Case knives
The case drops four knife types, each in seven finishes, for 28 possible knives. The cheapest is a Navaja Knife | Rust Coat at $36.27, and the top listing is a Talon Knife | Doppler Ruby.
Prisma Case odds
Every opening gives a Mil-Spec skin 79.92% of the time, Restricted 15.98%, Classified 3.20%, Covert 0.64% and a knife 0.26%. So the Five-SeveN | Angry Mob drops in about 1 in 313 openings and any single knife type in about 1 in 1,538.
| Rarity | Tier odds | Items in tier | Odds per item | 1 in | Cheapest in tier |
|---|---|---|---|---|---|
| Mil-Spec | 79.92% | 7 | 11.4171% | 9 | $0.17 |
| Restricted | 15.98% | 5 | 3.196% | 31 | $0.46 |
| Classified | 3.20% | 3 | 1.0667% | 94 | $4.63 |
| Covert | 0.64% | 2 | 0.32% | 313 | $48.34 |
| ★ Knife | 0.26% | 28 | 0.0093% | 10,769 | $36.27 |
Tier odds are Valve's published rates. Odds per item assume equal weighting within a tier, which Valve hasn't confirmed. 1 in 10 drops is StatTrak™.
About the Prisma Case
The Prisma Case is a weapon case released in March 2019, with 17 skins and 28 rare special knives. Opening it needs a $2.49 key from the in-game store.
Its skins form The Prisma Collection. Trade-ups within that collection stay inside these 17 skins and, since 2025, can reach its knives.
- Released
- March 2019
- Skins
- 17
- Knives
- 28
- Key needed
- Yes
- StatTrak™
- Yes
- Weekly drop pool
- No

















