--- title: "CS20 case on Rain.gg: odds, RTP & drops · gambatracker" description: "CS20 ($3.58) on Rain.gg, a CS2 case site: no published odds, observed 86.85% over 11.5K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/cs20 rendered: 2026-11-11T21:31Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [CS20](https://gambatracker.com/cases/rain/cs20) # [Rain.gg](https://gambatracker.com/case-sites/rain) · CS20 A case on Rain.gg, first seen 2 Nov 2026. Every value is Rain.gg's own item price converted from Rain coins at the rate on the site page. [24h](https://gambatracker.com/cases/rain/cs20?window=24h) [7d](https://gambatracker.com/cases/rain/cs20?window=7d) [30d](https://gambatracker.com/cases/rain/cs20) [All](https://gambatracker.com/cases/rain/cs20?window=all) Price · $3.58 · 5.11 coins Advertised RTP · — · no catalog Observed RTP, 30d · 86.85% · 11.5K openings, sample method Variance · — · needs odds Tail share · — · needs odds Below price · — · needs odds ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band outside band small sample 24 hours · 966 openings · below min 7 days · 86.85% ±8.94 9,769 openings 30 days · 86.85% ±8.31 11.5K openings since tracking started · 86.85% ±8.31 11.5K openings 59.0% 89.3% 119.5% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/cs20?window=24h) | 966 | 89.31% ±29.5 | — | sample | | [7d](https://gambatracker.com/cases/rain/cs20?window=7d) | 9,769 | 86.85% ±8.94 | — | sample | | [30d](https://gambatracker.com/cases/rain/cs20) | 11.5K | 86.85% ±8.31 | — | sample | | [All](https://gambatracker.com/cases/rain/cs20?window=all) | 11.5K | 86.85% ±8.31 | — | sample | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · none published **No catalog** Rain.gg publishes no catalog; the case is known from the drops that named it. Values are Rain.gg's own item prices; EV share = odds × value ÷ EV. Hot / cold compares observed drops of each item with odds × openings; small expected counts are left blank. ## Biggest drops · from this case, by value [★ Classic Knife | Night Stripe (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-night-stripe-factory-new) Hidden $3.58 5.11 coins $488 697 coins 136.4x 2026-11-10 12:46 UTC [★ Classic Knife | Night Stripe (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-night-stripe-factory-new) Hidden $3.58 5.11 coins $488 697 coins 136.4x 2026-11-09 16:39 UTC [★ Classic Knife | Night Stripe (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-night-stripe-factory-new) Hidden $3.58 5.11 coins $488 697 coins 136.4x 2026-11-08 23:51 UTC [★ Classic Knife | Night Stripe (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-night-stripe-factory-new) Hidden $3.58 5.11 coins $488 697 coins 136.4x 2026-11-04 12:51 UTC [★ Classic Knife | Slaughter (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-slaughter-factory-new) Hidden $3.58 5.11 coins $376 538 coins 105.2x 2026-11-11 15:56 UTC [★ Classic Knife | Blue Steel (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-blue-steel-factory-new) Hidden $3.58 5.11 coins $313 448 coins 87.63x 2026-11-06 23:10 UTC [★ Classic Knife | Case Hardened (Minimal Wear) knife · covert](https://gambatracker.com/items/classic-knife-case-hardened-minimal-wear) Hidden $3.58 5.11 coins $271 387 coins 75.82x 2026-11-09 10:02 UTC [★ Classic Knife | Case Hardened (Minimal Wear) knife · covert](https://gambatracker.com/items/classic-knife-case-hardened-minimal-wear) Hidden $3.58 5.11 coins $271 387 coins 75.82x 2026-11-09 00:14 UTC [★ Classic Knife | Case Hardened (Minimal Wear) knife · covert](https://gambatracker.com/items/classic-knife-case-hardened-minimal-wear) Hidden $3.58 5.11 coins $271 387 coins 75.82x 2026-11-08 02:48 UTC [★ Classic Knife | Safari Mesh (Factory New) knife · Covert](https://gambatracker.com/items/classic-knife-safari-mesh-factory-new) Hidden $3.58 5.11 coins $204 292 coins 57.11x 2026-11-06 16:45 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=cs20) [FAMAS | Decommissioned (Factory New) weapon · mil spec](https://gambatracker.com/items/famas-decommissioned-factory-new) Hidden $3.58 5.11 coins $0.57 0.81 coins 0.16x 2026-11-11 21:11 UTC [Dual Berettas | Elite 1.6 (Factory New) weapon · Rare](https://gambatracker.com/items/dual-berettas-elite-1-6-factory-new) Hidden $3.58 5.11 coins $0.36 0.51 coins 0.10x 2026-11-11 21:11 UTC [Glock-18 | Sacrifice (Factory New) weapon · mil spec](https://gambatracker.com/items/glock-18-sacrifice-factory-new) Hidden $3.58 5.11 coins $1.06 1.52 coins 0.30x 2026-11-11 21:11 UTC [Galil AR | Rocket Pop (Battle-Scarred) weapon · milspec](https://gambatracker.com/items/galil-ar-rocket-pop-battle-scarred) [HarryBTZ](https://gambatracker.com/players/rain/HarryBTZ) $3.58 5.11 coins $0.42 0.6 coins 0.12x 2026-11-11 21:11 UTC [Dual Berettas | Elite 1.6 (Factory New) weapon · Rare](https://gambatracker.com/items/dual-berettas-elite-1-6-factory-new) Hidden $3.58 5.11 coins $0.36 0.51 coins 0.10x 2026-11-11 21:11 UTC [FAMAS | Decommissioned (Factory New) weapon · mil spec](https://gambatracker.com/items/famas-decommissioned-factory-new) Hidden $3.58 5.11 coins $0.57 0.81 coins 0.16x 2026-11-11 21:11 UTC [SCAR-20 | Assault (Battle-Scarred) weapon · mil spec](https://gambatracker.com/items/scar-20-assault-battle-scarred) Hidden $3.58 5.11 coins $0.15 0.21 coins 0.04x 2026-11-11 21:11 UTC [StatTrak™ Tec-9 | Flash Out (Well-Worn) StatTrak · weapon · Mil Spec Grade](https://gambatracker.com/items/stattrak-tec-9-flash-out-well-worn) [HarryBTZ](https://gambatracker.com/players/rain/HarryBTZ) $3.58 5.11 coins $0.55 0.78 coins 0.15x 2026-11-11 21:11 UTC [StatTrak™ Tec-9 | Flash Out (Well-Worn) StatTrak · weapon · Mil Spec Grade](https://gambatracker.com/items/stattrak-tec-9-flash-out-well-worn) Hidden $3.58 5.11 coins $0.55 0.78 coins 0.15x 2026-11-11 21:11 UTC [SCAR-20 | Assault (Battle-Scarred) weapon · mil spec](https://gambatracker.com/items/scar-20-assault-battle-scarred) Hidden $3.58 5.11 coins $0.15 0.21 coins 0.04x 2026-11-11 21:11 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed best hit $488 (136.4x) 18+ **Case opening is gambling with skins as the currency.** At 86.9% RTP, every $100 put into cases returns $86.85 on average: an expected loss of $13.15 per $100, before any one lucky or unlucky opening. A big drop here says nothing about the next one. [BeGambleAware](https://www.begambleaware.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt