Drop Rates
Drop rates are confirmed by Valve. Individual item probabilities are calculated by dividing the tier chance equally among items in that tier. Learn more
Items
AWP
Oni Taiji
Five-SeveN
Hyper Beast
M4A4
Hellfire
Galil AR
Sugar Rush
Dual Berettas
Cobra Strike
AK-47
Orbit Mk01
P2000
Woodsman
P250
Red Rock
SSG 08
Death's Head
P90
Death Grip
USP-S
Blueprint
M4A1-S
Briefing
Tec-9
Cut Out
FAMAS
Macabre
MAC-10
Aloha
UMP-45
Metal Flowers
MAG-7
Hard Water
Special Items
★ Sport Gloves
Hedge Maze
★ Sport Gloves
Pandora's Box
★ Moto Gloves
Spearmint
★ Sport Gloves
Superconductor
★ Specialist Gloves
Crimson Kimono
★ Specialist Gloves
Emerald Web
★ Sport Gloves
Arid
★ Driver Gloves
Crimson Weave
★ Moto Gloves
Cool Mint
★ Specialist Gloves
Foundation
★ Hand Wraps
Slaughter
★ Hand Wraps
Leather
★ Moto Gloves
Eclipse
★ Hand Wraps
Spruce DDPAT
★ Driver Gloves
Lunar Weave
★ Moto Gloves
Boom!
★ Hand Wraps
Badlands
★ Driver Gloves
Convoy
★ Driver Gloves
Diamondback
★ Specialist Gloves
Forest DDPAT
★ Bloodhound Gloves
Bronzed
★ Bloodhound Gloves
Snakebite
★ Bloodhound Gloves
Charred
★ Bloodhound Gloves
Guerrilla
About the Operation Hydra Case
The Operation Hydra Case is a CS2 weapon case released in Apr 2017. It contains 41 weapon skins across 5 rarity tiers, plus a rare special pool of knives and gloves. Each opening costs the case price plus a $2.49 key.
Mil-Spec Grade items drop 79.9% of the time. Special items are the rarest at 0.26% — roughly 1 in 385. StatTrak versions have a 10% chance on each drop.
Notable drops include ★ Sport Gloves | Hedge Maze ($29,999), ★ Sport Gloves | Pandora's Box ($22,131), and ★ Moto Gloves | Spearmint ($12,000).
Drop Rates
5 rarity tiers, ranging from Mil-Spec Grade (79.9%) down to Special (0.26%).
- Mil-Spec Grade79.9%
- Restricted16.0%
- Classified3.20%
- Covert0.64%
- Special0.26%
Each item within a rarity tier has an equal chance of dropping.
Simulate This Weapon Case
Unbox the Operation Hydra Case for free in our CS2 case simulator. No Steam account or real money needed.
Classic mode plays the reel animation with an optional auto-open toggle for continuous openings. Bulk mode can simulate up to millions of openings at once with a results heatmap.
Calculate Your Unboxing Cost
Each Operation Hydra Case needs a $2.49 key on top of the case price. Use the case calculator to set a quantity, see the total in 160+ currencies, and send your plan to the simulator.


