What's in the CS20 Case?
The CS20 Case contains 17 skins: two Covert, three Classified, five Restricted and seven Mil-Spec. It also contains 13 rare special knives: the Classic Knife. 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
FAMAS
Decommissioned

ST
from $0.30
11.4171% · 1 in 9
MAG-7
Popdog

ST
from $0.30
11.4171% · 1 in 9
Glock-18
Sacrifice

ST
from $0.27
11.4171% · 1 in 9
Dual Berettas
Elite 1.6

ST
from $0.26
11.4171% · 1 in 9
SCAR-20
Assault

ST
from $0.26
11.4171% · 1 in 9
MAC-10
Classic Crate

ST
from $0.25
11.4171% · 1 in 9
Tec-9
Flash Out

ST
from $0.25
11.4171% · 1 in 9
These skins form The CS20 Collection.
CS20 Case knives
The case drops one knife type, each in 13 finishes, for 13 possible knives. The cheapest is a Classic Knife | Forest DDPAT at $56.00, and the top listing is a Classic Knife | Urban Masked.
CS20 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 AWP | Wildfire drops in about 1 in 313 openings and any single knife type in about 1 in 385.
| Rarity | Tier odds | Items in tier | Odds per item | 1 in | Cheapest in tier |
|---|---|---|---|---|---|
| Mil-Spec | 79.92% | 7 | 11.4171% | 9 | $0.25 |
| Restricted | 15.98% | 5 | 3.196% | 31 | $0.37 |
| Classified | 3.20% | 3 | 1.0667% | 94 | $3.45 |
| Covert | 0.64% | 2 | 0.32% | 313 | $30.55 |
| ★ Knife | 0.26% | 13 | 0.02% | 5,000 | $56.00 |
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 CS20 Case
The CS20 Case is a weapon case released in October 2019, with 17 skins and 13 rare special knives. Opening it needs a $2.49 key from the in-game store.
Its skins form The CS20 Collection. Trade-ups within that collection stay inside these 17 skins and, since 2025, can reach its knives.
- Released
- October 2019
- Skins
- 17
- Knives
- 13
- Key needed
- Yes
- StatTrak™
- Yes
- Weekly drop pool
- No










