Gamma 2 Case is a CS2 case with 17 items plus 50 gold entries. It costs $2.78; opening it with the key comes to $5.42. The expected value of the contents is $2.98 — a 54.9% unboxing ROI, or 60.2% when trade-up contracts are factored in.
Takeaway: an opening costs $5.42 and returns $2.98 on average — a 45.1% long-run loss. The median opening returns $0.28: half of all tries return that much or less. The key eats 49% of your spend. A full breakdown of every case is in the article Best CS2 cases in August 2026.
Where Gamma 2 Case came from
More facts about Gamma 2 Case
August 18, 2016release date · 10 yr ago
retiredweekly drops · as of 2026-07-02
+5.5%price over 2 weeks
1,284live listings in our DB
$253buy all 17 non-gold skins
Buying the contents outright is cheaper than unboxing: all 17 regular skins cost $253 — the price of 46.7 openings at $5.42 each. The priciest is AK-47 | Neon Revolution at $108, the cheapest is Five-SeveN | Scumbria at $0.08.
The case is retired from weekly drops: no new copies enter the game, and existing ones are consumed by openings.
No. An opening costs $5.42 ($2.78 for the case plus $2.64 for the key) while the contents average $2.98 — a 54.9% ROI. The chance a single opening returns more than you spent is 4.7%.
How much does it cost to open Gamma 2 Case?
$5.42: the case itself is $2.78 (cheapest on CSFloat) plus the $2.64 key. Keys are sold only by Valve at a fixed price.
What do you usually get from Gamma 2 Case?
The median single opening returns $0.28 — half of all openings return that much or less against a $5.42 cost. The best 10% of openings drop an item worth more than $1.20.
What does the "with contracts" column mean?
Some drops are worth more as trade-up contract inputs than sold outright. Counting the better of "sell" vs "feed into a contract", the Gamma 2 Case ROI rises from 54.9% to 60.2%.
What are the knife odds in Gamma 2 Case?
0.26% — roughly one opening in 391. The gold pool has 50 entries picked with equal probability; the wear rolls separately. That many openings cost about $2,121.
Where is Gamma 2 Case cheapest?
Right now the low is $2.78 on CSFloat; the highest we track is $4.51 — a 62% spread between markets.
Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.
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