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CS20 Case Simulator

Open the CS20 Case free at real Valve drop rates, priced from live market data.

Free Real Odds No Gambling
Opened0
Spent$0.00
Won$0.00
Profit+$0.00
ROI+0.0%
CS20 Case
CS20 Case

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What the CS20 Case is actually worthLive market prices, all wears weighted by how often they drop

Cost per open$3.49
Average return$3.16
Expected loss-$0.33
Return rate90.4%
Expected value contribution by rarity tier
TierChanceAverage valueAdds to return
Mil-Spec79.92%$0.73$0.58
Restricted15.98%$4.95$0.79
Classified3.20%$8.22$0.26
Covert0.64%$181.62$1.16
Knife / Gloves0.26%$136.78$0.36

Every case returns less than it costs — that gap is Valve's margin. Buying the skin you want on the open market is cheaper than unboxing it, every time. See our case opening ROI guide for the full breakdown.

Drop Rates

Mil-Spec79.92%
Restricted15.98%
Classified3.20%
Covert0.64%
Knife/Gloves0.26%

Your odds over multiple opens

A 0.26% knife chance is hard to picture. This is the same number stated the way it is actually experienced — the chance of at least one, over a run of opens.

100 opens costs $349.00 and returns about $315.53 on average — an expected loss of $33.47.

Chance of at least one drop of each tier within 100 opens
TierPer openAt least one in 100Opens for a coin-flip
Mil-Spec79.92%100.00%1
Restricted15.98%100.00%4
Classified3.20%96.13%22
Covert0.64%47.38%108
Knife / Gloves0.26%22.92%267

A coin-flip shot at a knife takes 267 opens — about $931.83at this case's price. Even then it is a coin flip, not a guarantee: the odds never carry over between opens. More in our CS2 case odds guide.

CS20 Case Contents30 items

AUG | Death by PuppyAUG | Death by Puppy$3.95AWP | WildfireAWP | Wildfire$559.57Dual Berettas | Elite 1.6Dual Berettas | Elite 1.6$0.37FAMAS | CommemorationFAMAS | Commemoration$28.91FAMAS | DecommissionedFAMAS | Decommissioned$0.43Five-SeveN | BuddyFive-SeveN | Buddy$0.55Glock-18 | SacrificeGlock-18 | Sacrifice$0.43M249 | AztecM249 | Aztec$0.48MAC-10 | Classic CrateMAC-10 | Classic Crate$0.46MAG-7 | PopdogMAG-7 | Popdog$0.44MP5-SD | AgentMP5-SD | Agent$0.63MP9 | HydraMP9 | Hydra$5.97P250 | InfernoP250 | Inferno$0.56P90 | NostalgiaP90 | Nostalgia$3.77SCAR-20 | AssaultSCAR-20 | Assault$0.43Tec-9 | Flash OutTec-9 | Flash Out$0.37UMP-45 | PlastiqueUMP-45 | Plastique$0.51
Special Items (0.26%)
Classic Knife | Blue SteelClassic Knife | Blue Steel$119.18Classic Knife | Boreal ForestClassic Knife | Boreal Forest$65.12Classic Knife | Case HardenedClassic Knife | Case Hardened$133.36Classic Knife | Crimson WebClassic Knife | Crimson Web$148.59Classic Knife | FadeClassic Knife | Fade$340.75Classic Knife | Forest DDPATClassic Knife | Forest DDPAT$64.36Classic Knife | Night StripeClassic Knife | Night Stripe$102.10Classic Knife | Safari MeshClassic Knife | Safari Mesh$64.87Classic Knife | ScorchedClassic Knife | Scorched$82.18Classic Knife | SlaughterClassic Knife | Slaughter$185.42Classic Knife | StainedClassic Knife | Stained$99.98Classic Knife | Urban MaskedClassic Knife | Urban Masked$82.99Classic Knife | VanillaClassic Knife | Vanilla$189.10
CS20 Caseprices & history Trade-up calculator How CS2 case odds work

Opening the CS20 Case

The CS20 Case costs $1.00 for the container plus a $2.49 key — $3.49 per open. At live market prices it returns $3.16 on average, which is 90c back per dollar — an expected loss of $0.33 every time you open one.

It contains 17 weapon skins and 13 special items — knives or gloves — in the 0.26% gold slot. Reaching an even-odds chance at that gold slot takes about 267 opens, roughly $931.83at this case's current price. Every skin in the pool is listed above with its live price, and you can open the case as many times as you like here without spending anything.

CS2 Case Drop Rates

Mil-Spec (Blue)79.92%
Restricted (Purple)15.98%
Classified (Pink)3.20%
Covert (Red)0.64%
Knife / Gloves (Gold)0.26%

These odds are the same for every weapon case. They do not improve with streaks and they do not carry over — each open is independent, which is why a run of bad luck never makes the next open more likely to pay.

Frequently Asked Questions

Is the CS20 Case worth opening?

At current market prices the CS20 Case returns about $3.16 per open against a cost of $3.49 ($1.00 for the case plus a $2.49 key). That is 90c back per dollar, an expected loss of $0.33 every time you open one.

What are the odds in the CS20 Case?

Valve confirmed drop rates: Mil-Spec (Blue) 79.92%, Restricted (Purple) 15.98%, Classified (Pink) 3.20%, Covert (Red) 0.64%, Special/Knife/Gloves (Gold) 0.26%. StatTrak has a 10% chance on any weapon skin — gloves have no StatTrak version.

How much does it cost to unbox a knife from the CS20 Case?

The gold slot is 0.26% per open. A 50% chance of hitting one takes about 267 opens, roughly $931.83 at this case’s current price — and that is still a coin flip, not a guarantee.

What is in the CS20 Case?

The CS20 Case contains 17 weapon skins plus 13 rare special items (knives or gloves) in the gold slot. Every item is listed below with its live market price.

Can I open the CS20 Case for free?

Yes. This simulator opens the CS20 Case with real Valve drop rates and live prices, as many times as you like, with no money and no signup. It is a simulator — items are not added to your Steam inventory.

Open another case

Every case has its own simulator page with that case's pool, odds and expected value at current prices.

Related: CS2 case odds explained · Case opening ROI · Trade-up calculator · All case prices