Case Opening Simulator

Open CS2 and CSGO cases for free with our case opening simulator. Every container runs on Valve's official drop rates — the same odds used in the real game — so you get an authentic unboxing experience without spending a cent. No account, no download, no Steam login. Whether you're testing your luck before buying keys or just want the thrill of a Counter-Strike case opening without the financial risk, the full catalog of 466+ containers is here and ready to open.

Our CS2 case simulator goes beyond a simple case opener. Every case page shows per-item drop odds, real-time Steam market prices updated daily, and an expected ROI so you know exactly what each opening is worth before you spend real money. Rare items like knives and gloves drop at 0.26% (roughly 1 in 385 opens), and you can see the exact probability for every skin — including individual Doppler phases like Ruby, Sapphire, and Black Pearl.

The simulator covers every container type in CS2 and CS:GO. Weapon cases (42 cases) are the core — from classics like the original CS:GO Weapon Case to recent drops like the Gallery Case and Kilowatt Case. Each one includes five rarity tiers plus a chance at rare knives and gloves.

Beyond weapon cases, you can open souvenir packages (150 packages) from CS2 Major tournaments with six-tier odds and a chance at legendary drops like the AWP Dragon Lore, sticker capsules (95 capsules) for rare Gold stickers, autograph capsules (138 capsules) featuring pro player signatures, and armory collections (12 collections) introduced in 2024 with unique skins, charms, and stickers.

We also have music kit boxes (13), graffiti boxes (3), patch capsules (7), pin capsules (4), and Genesis Terminals (2) with the unique Arms Dealer negotiation mechanic. Every one uses its own authentic drop-rate structure.

Every CS2 weapon case uses the five-tier rarity system Valve made public in 2017. The odds break down to: Mil-Spec (Blue) 79.92%, Restricted (Purple) 15.98%, Classified (Pink) 3.20%, Covert (Red) 0.64%, and Knife / Gloves (Gold) 0.26%. Any non-special skin has a 10% chance of dropping as StatTrak™, which tracks your kills and adds a market premium.

Souvenir packages use a deeper six-tier structure — Consumer Grade (80%), Industrial Grade (16%), Mil-Spec (3.20%), Restricted (0.64%), Classified (0.128%), and Covert (0.0256%) — making top-tier souvenir drops some of the rarest items in the game. Sticker capsules follow a four-tier model at 80% / 16% / 3.20% / 0.64%.

Our CSGO case opening simulator replicates every one of these probability tables exactly, so the distribution of drops you see here matches what you'd get opening cases in the real game. Each case page also computes a live expected ROI from current market prices — so you can figure out which cases actually return value before spending real money.

Opening cases in CS2 is fun — but it's also expensive. A single weapon case costs $2.49 to open, and with knife odds at 1 in 385, most players spend hundreds before hitting anything valuable. A CS case opening simulator lets you experience the same rush with zero financial risk: test your luck, understand the real odds, and make smarter decisions about which cases to open with actual money.

Every unboxing session here tracks your profit and loss against real market prices. Open a hundred cases, check your ROI, and see how the Kilowatt Case stacks up against the Dreams & Nightmares Case. No case has a positive expected return — the house always wins — but some lose far less than others. Check our best CS2 cases by ROI ranking to find the ones that give the most value back.