Chroma 2 Case
Chroma 3 Case
Chroma Case
Clutch Case
CS:GO Weapon Case
CS:GO Weapon Case 2
CS:GO Weapon Case 3
CS20 Case
Danger Zone Case
Dreams & Nightmares Case
eSports 2013 Case
eSports 2013 Winter Case
eSports 2014 Summer Case
Falchion Case
Fever Case
Fracture Case
Gallery Case
Gamma 2 Case
Gamma Case
Glove Case
Horizon Case
Huntsman Weapon Case
Kilowatt Case
Operation Bravo Case
Operation Breakout Weapon Case
Operation Broken Fang Case
Operation Hydra Case
Operation Phoenix Weapon Case
Operation Riptide Case
Operation Vanguard Weapon Case
Operation Wildfire Case
Prisma 2 Case
Prisma Case
Recoil Case
Revolution Case
Revolver Case
Shadow Case
Shattered Web Case
Snakebite Case
Spectrum 2 Case
Spectrum Case
Winter Offensive Weapon Case
Open CS2 Cases for Free
Open every Counter-Strike weapon case in one place with our free CS2 and CSGO case opening simulator. This page covers the full weapon-case catalog, from early CS:GO releases through the newest case in the current data set. Each case uses the real five-tier rarity structure, the standard rare-special drop rate, and the same market snapshot used across the rest of the site.
The point is simple: you can test the feel of any case before spending real money on it. Compare the item pool, check the current price and ROI badge, and see how different cases stack up without buying keys or touching your Steam balance.
CS2 Weapon Cases — Complete History
Valve introduced the first weapon case — the CS:GO Weapon Case — on August 14, 2013, alongside the Arms Deal update. That same update launched the skin economy and also added the M4A1-S, USP-S, weapon inspect, and the eSports Case whose key sales funded tournament prize pools. Since then, the catalog has grown to 42 weapon cases across CS:GO and CS2, with each in-game opening still using the standard $2.49 key.
Cases come in three categories: Black cases (Valve-designed skins with a standard CS:GO Case Key), eSports cases (Valve skins where key proceeds supported the competitive scene), and Yellow "community" cases (community-designed skins with unique keys, with proceeds shared with Workshop artists). Each case contains 17 weapon skins across five rarity tiers plus a pool of rare special items (knives and gloves).
Notable landmark cases include the original CS:GO Weapon Case, the Chroma Case (first knife finishes), the Spectrum Case (new knife types), the Dreams & Nightmares Case (community contest winner with over 15,000 submissions), and the Kilowatt Case. Discontinued cases that no longer drop in-game — like the Bravo Case and CS:GO Weapon Case — tend to climb in market value over time, making them collector items.
Trivia & Fun Facts
- On September 11, 2017, Perfect World (Valve's Chinese partner) disclosed the exact case probabilities publicly — the first official confirmation of drop rates, revealing the 0.26% knife chance that players had long speculated about.
- On October 28, 2019, Valve made all newly purchased keys non-tradeable and non-marketable to combat money laundering and fraud — a change known as the "Key Change" that shifted the entire CS:GO economy. Legacy keys bought before that date remain tradeable and now sell for $15–$100+ as collector items.
- Case opening is completely banned in the Netherlands and Belgium due to loot box gambling laws. In France, cases cannot be purchased from the Steam Community Market but can still be sold.
- An unused 3D model called "weapon_crate_a" was found in the game files long before cases received an opening animation in the Panorama UI update.
- Each grade up in rarity has a 1:5 relative probability — meaning you're 5× more likely to get a Mil-Spec than a Restricted, and so on up the chain.
How Our Case Simulator Works
Choose from the full weapon-case catalog — from the original CS:GO Weapon Case to the newest case in the current lineup.
Every opening uses Valve's officially disclosed drop rates — 0.26% knife chance, 0.64% Covert, 3.20% Classified, and more.
Every skin you unbox is saved to your virtual inventory with the latest market prices baked into the site. Track your luck over time — completely free.
Most Popular CS2 Cases to Open
Some CS2 cases are more popular than others due to their rare-special pools, case price, and how often those skins show up in trading conversations. Newer active-drop cases stay popular because they are cheap and easy to get, while discontinued cases stay relevant because their knife pools and collector appeal are harder to replace.
Every case has the same 0.26% chance of dropping a rare special item, but the actual knife or glove pool is case-specific. That means the best case for one player might be the cheapest one to open, while another player only cares about a particular knife family or an iconic red-tier skin. Use the price and ROI badges on each card to compare the current snapshot before you open anything.
Tips & Information
- Knives and gloves have approximately 0.26% drop rate from cases — roughly 1 in 385 openings.
- At $2.49 per key, that averages around $959 in keys per knife. StatTrak knives are even rarer at roughly 1 in 3,850.
- Each case has different weapon skins, but all cases share identical rarity tier probabilities (disclosed by Perfect World in 2017).
- StatTrak versions have a 10% chance on any eligible item you unbox.
- In CS2, cases are obtained through the Weekly Care Package — you receive one after your first XP rank-up each week. You're shown 4 items (typically 1 case, 1 skin, and 2 stickers) and choose 2 to keep.
- Discontinued cases (Bravo, eSports, original Weapon Case) no longer appear in the Care Package pool and have become collector items.
Frequently Asked Questions
What are CS2 cases?
CS2 cases (also known as CSGO cases) are virtual weapon containers in Counter-Strike 2. Each case contains a set of weapon skins across rarity tiers — from common Mil-Spec (blue) to ultra-rare Covert (red), plus a chance at knives and gloves. Cases require a $2.49 key to open in-game, but you can open them completely free in our simulator.
How do CS2 case odds work?
CS2 case odds follow Valve's officially disclosed drop rates: 79.92% Mil-Spec (blue), 15.98% Restricted (purple), 3.20% Classified (pink), 0.64% Covert (red), and 0.26% for knives and gloves. There is no pity timer — each case opening is completely independent. StatTrak variants have a 10% chance on eligible items.
What is the knife drop rate in CS2 cases?
Knives and gloves have a 0.26% drop rate, meaning approximately 1 in 385 case openings. At $2.49 per key, that averages around $959 worth of keys per knife. StatTrak knives are even rarer at roughly 0.026% (about 1 in 3,850 openings). Our free simulator lets you experience these odds without spending real money.
Can I open CSGO cases for free?
Yes! Our case opening simulator lets you open all CS2 and CSGO cases completely free with real drop rates. No registration, no downloads, and no real money needed. Your virtual inventory is saved locally in your browser. It's the perfect way to experience case opening without the financial risk.
What are the best CS2 cases to open?
The "best" case depends on what you care about. Knife and glove odds are the same across all weapon cases, but the rare-special pool, Covert skins, market price, and ROI can look very different from one case to the next. That's why this page shows the whole catalog rather than pushing one universal pick.
How many CS2 weapon cases are there?
There are currently 42 weapon cases in CS2/CSGO, starting with the original CS:GO Weapon Case released in August 2013. Valve releases new cases periodically — usually 2 to 4 per year — each containing 17 community-designed skins plus a rotating pool of knives and gloves as rare special items.
Are CS2 case odds the same as CSGO?
Yes. CS2 uses the same case drop rates as CS:GO. Valve disclosed these probabilities in 2017 and they have remained consistent through the transition to Counter-Strike 2. Our simulator uses these exact official rates for all cases, whether they were originally released as CS:GO or CS2 cases.