What's inside the Operation Hydra Case?

The Operation Hydra Case contains 17 weapon skins (Mil-Spec, Restricted, Classified, and Covert rarities) plus 24 rare special items (knives or gloves) that drop at the ★ tier.

What are the chances of getting a knife from the Operation Hydra Case?

Rare Special Items (knives or gloves) drop at approximately 0.26% per unbox — roughly 1 in 384 cases. Each case opening uses Valve's published rates: 79.92% Mil-Spec, 15.98% Restricted, 3.2% Classified, 0.64% Covert, 0.26% Rare Special Item.

How rare is the Operation Hydra Case?

Supply data for the Operation Hydra Case is partial. See the /cases/ index for the full sortable list with circulation estimates.

CS2 Weapon Case

Operation Hydra Case

Base Gradedefindex 4352partial supply dataView on Steam Market

Lowest supply

—

Remaining

—

Dropped

1.1M

Unboxed

5.9M

Live Steam Market

Open listing

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Price history

What’s inside

Every skin this case can drop, grouped by rarity tier.

17 skins24 rare ★

Mil-Spec Grade· 7

Restricted· 5

Classified· 3

Covert· 2

Special Items (★)· 24

Knives or gloves. Each one drops at the rare ~0.26% tier.

Drop probability

Every CS2 weapon case uses the same published drop rates. Within each rarity tier, the specific skin is rolled uniformly across the items in that tier.

Rarity	Per unbox	Notes
Mil-Spec (Blue)	79.92%	Common skins — most unboxes land here.
Restricted (Purple)	15.98%	Mid-tier skins. ~1 in 6 unboxes.
Classified (Pink)	3.2%	Rare skins. ~1 in 31 unboxes.
Covert (Red)	0.64%	Very rare skins. ~1 in 156 unboxes.
Rare Special Item (★)	0.26%	Knives or gloves. ~1 in 384 unboxes (≈0.26%).

Published rates apply to every standard CS2 weapon case. Souvenir packages and operation drop pools differ.

Supply context

Supply data for this case is partial — typically because it predates reliable drop telemetry. See the full /cases/ index for the supply figures we do have. Estimates sourced from CS:STONKS, last refreshed 2026-05-18.

Cases with similar supply

Neighbouring cases by remaining circulation rank.