Case comparison
Gamma Case vs Gamma 2 Case
Cost, modeled expected return and ROI, gold odds and pool contents for both cases, using a Steam Community Market snapshot dated Oct 27, 2026, 10:25 AM UTC.
 Gamma Case |  Gamma 2 Case | |
|---|---|---|
| Released | 2016-06-10 | 2016-08-08 |
| Case price | $4.60 | $4.51 |
| Key price | $19.35 | $19.18 |
| Total open cost | $23.95 | $23.69 |
| Expected return | $4.28 | $3.92 |
| Modeled ROI | 17.9% | 16.6% |
| Gold odds | 0.256% · 1 in 391 | 0.256% · 1 in 391 |
| P(knife) | 0.256% | 0.256% |
| P(gloves) | — | — |
| Rare-special items | 50 (50 knife · 0 glove) | 50 (50 knife · 0 glove) |
| Knife / glove families | Bayonet, Flip Knife, Gut Knife, Karambit, M9 Bayonet | Bayonet, Flip Knife, Gut Knife, Karambit, M9 Bayonet |
| Mil-Spec skins | 7 | 7 |
| Restricted skins | 5 | 5 |
| Classified skins | 3 | 3 |
| Covert skins | 2 | 2 |
| Highest-priced outcome | StatTrak™ ★ Karambit | Gamma Doppler (Minimal Wear) — $1,840.12 | StatTrak™ ★ Karambit | Gamma Doppler (Minimal Wear) — $1,840.12 |
What the numbers show
- Based on DropLabz's current price snapshot, Gamma Case has the higher modeled ROI (17.9% vs 16.6%). Both are below 100%, meaning each has a negative modeled expected value.
- Gamma Case also has the higher modeled expected return per opening ($4.28 vs $3.92).
- Gamma 2 Case costs less to open: $23.69 (case + key) against $23.95 for Gamma Case.
- Both have the same gold (rare-special) chance, 0.256% (1 in 391), since both carry the same rarity tiers.
- Both rare-special pools contain knives only; Gamma Case has 50 items and Gamma 2 Case has 50.
This is a description of modeled figures, not a recommendation. ROI is expected return ÷ opening cost under DropLabz's rarity model (equal weighting within each tier, 10% StatTrak on eligible skins); unpriced outcomes are excluded from expected return. Prices come from a snapshot dated Oct 27, 2026, 10:25 AM UTC.
Gamma Case
Gamma 2 Case
See every case ranked on Case ROI, the rarity math on CS2 case odds, knife chances on CS2 knife odds, or other case comparisons.