Gamma Case
Estimated return of 69.2% on every open — a 30.8% house edge at live Skinport prices.
Estimated RTP 69.2%
House edge 30.8%
Cost to open $6.30
key $2.49 + case $3.81
Chance to profit 4.1%
Most valuable drops
Rare Special ★ Karambit | Gamma Doppler $2004.72
Rare Special ★ Karambit | Gamma Doppler $2004.72
Rare Special ★ Karambit | Gamma Doppler $2004.72
Rare Special ★ Karambit | Gamma Doppler $2004.72
Rare Special ★ Karambit | Gamma Doppler $2004.72
What's inside & the odds
Mil-Spec Grade
79.9%- Five-SeveN | Violent Daimyo $1.24
- MAC-10 | Carnivore $1.18
- Nova | Exo $0.54
- P250 | Iron Clad $1.76
- PP-Bizon | Harvester $1.07
- SG 553 | Aerial $0.55
- Tec-9 | Ice Cap $1.43
Restricted
16.0%- AUG | Aristocrat $3.01
- AWP | Phobos $4.87
- P90 | Chopper $2.24
- R8 Revolver | Reboot $2.29
- Sawed-Off | Limelight $2.38
Classified
3.2%- M4A4 | Desolate Space $24.71
- P2000 | Imperial Dragon $18.25
- SCAR-20 | Bloodsport $16.13
Covert
0.6%- Glock-18 | Wasteland Rebel $118.66
- M4A1-S | Mecha Industries $123.68
Rare Special
0.3%- ★ Bayonet | Gamma Doppler $705.79
- ★ Bayonet | Gamma Doppler $705.79
- ★ Bayonet | Gamma Doppler $705.79
- ★ Bayonet | Gamma Doppler $705.79
- ★ Bayonet | Gamma Doppler $705.79
- ★ Bayonet | Lore $257.31
- ★ Bayonet | Autotronic $290.74
- ★ Bayonet | Black Laminate $179.47
- ★ Bayonet | Freehand $178.47
- ★ Bayonet | Bright Water $156.44
- ★ Flip Knife | Gamma Doppler $404.30
- ★ Flip Knife | Gamma Doppler $404.30
- ★ Flip Knife | Gamma Doppler $404.30
- ★ Flip Knife | Gamma Doppler $404.30
- ★ Flip Knife | Gamma Doppler $404.30
- ★ Flip Knife | Lore $188.16
- ★ Flip Knife | Autotronic $187.22
- ★ Flip Knife | Black Laminate $147.45
- ★ Flip Knife | Freehand $130.41
- ★ Flip Knife | Bright Water $124.95
- ★ Gut Knife | Gamma Doppler $167.40
- ★ Gut Knife | Gamma Doppler $167.40
- ★ Gut Knife | Gamma Doppler $167.40
- ★ Gut Knife | Gamma Doppler $167.40
- ★ Gut Knife | Gamma Doppler $167.40
- ★ Gut Knife | Lore $110.37
- ★ Gut Knife | Autotronic $120.80
- ★ Gut Knife | Black Laminate $59.25
- ★ Gut Knife | Bright Water $55.31
- ★ Gut Knife | Freehand $122.55
- ★ Karambit | Gamma Doppler $2004.72
- ★ Karambit | Gamma Doppler $2004.72
- ★ Karambit | Gamma Doppler $2004.72
- ★ Karambit | Gamma Doppler $2004.72
- ★ Karambit | Gamma Doppler $2004.72
- ★ Karambit | Lore $639.28
- ★ Karambit | Autotronic $893.29
- ★ Karambit | Black Laminate $638.41
- ★ Karambit | Freehand $532.51
- ★ Karambit | Bright Water $479.09
- ★ M9 Bayonet | Gamma Doppler $1257.52
- ★ M9 Bayonet | Gamma Doppler $1257.52
- ★ M9 Bayonet | Gamma Doppler $1257.52
- ★ M9 Bayonet | Gamma Doppler $1257.52
- ★ M9 Bayonet | Gamma Doppler $1257.52
- ★ M9 Bayonet | Lore $630.94
- ★ M9 Bayonet | Autotronic $658.97
- ★ M9 Bayonet | Black Laminate $491.34
- ★ M9 Bayonet | Bright Water $346.46
- ★ M9 Bayonet | Freehand $356.32
Source: ByMykel CSGO-API · updated Oct 20, 2026 stale
Source: Skinport · updated Nov 8, 2026
Gamma Case FAQ
What are the odds of a knife or glove from the Gamma Case?
The Rare Special tier (knives and gloves) has a 0.3% drop chance, per Valve's official odds.
Is the Gamma Case worth opening?
On our estimate the Gamma Case returns about 69.2% of what you put in (a 30.8% house edge), using live Skinport prices. Like all cases, it is a losing bet on average.
How much does it cost to open the Gamma Case?
About $6.30 per open: a $2.49 key plus the case at $3.81.