--- title: "Birb case on Rain.gg: odds, RTP & drops · gambatracker" description: "Birb ($54.06) on Rain.gg, a CS2 case site: no published odds, observed 77.95% over 1,984 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/birb rendered: 2026-11-11T19:36Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Birb](https://gambatracker.com/cases/rain/birb) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Birb 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/birb?window=24h) [7d](https://gambatracker.com/cases/rain/birb?window=7d) [30d](https://gambatracker.com/cases/rain/birb) [All](https://gambatracker.com/cases/rain/birb?window=all) Price · $54.06 · 77.23 coins Advertised RTP · — · no catalog Observed RTP, 30d · 77.95% · 1,984 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 · 151 openings · below min 7 days · 80.82% ±13.68 1,567 openings 30 days · 77.95% ±11.73 1,984 openings since tracking started · 77.95% ±11.73 1,984 openings 26.0% 71.0% 116.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/birb?window=24h) | 151 | 70.96% ±44.4 | — | sample | | [7d](https://gambatracker.com/cases/rain/birb?window=7d) | 1,567 | 80.82% ±13.7 | — | sample | | [30d](https://gambatracker.com/cases/rain/birb) | 1,984 | 77.95% ±11.7 | — | sample | | [All](https://gambatracker.com/cases/rain/birb?window=all) | 1,984 | 77.95% ±11.7 | — | 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 [★ StatTrak™ Karambit | Lore (Factory New) StatTrak · knife · covert](https://gambatracker.com/items/stattrak-karambit-lore-factory-new) Hidden $54.06 77.23 coins $1,949 2,785 coins 36.05x 2026-11-09 21:26 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-11 10:12 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-10 14:46 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) [Smabu](https://gambatracker.com/players/rain/Smabu) $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-09 23:39 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-09 21:23 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-06 02:04 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-05 16:57 UTC [★ M9 Bayonet | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-marble-fade-factory-new) Hidden $54.06 77.23 coins $1,273 1,818 coins 23.54x 2026-11-03 18:25 UTC [M4A4 | Poseidon (Minimal Wear) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-minimal-wear) Hidden $54.06 77.23 coins $791 1,130 coins 14.63x 2026-11-09 20:27 UTC [M4A4 | Poseidon (Minimal Wear) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-minimal-wear) Hidden $54.06 77.23 coins $791 1,130 coins 14.63x 2026-11-08 23:26 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=birb) [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 19:35 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) [KokoJumbo](https://gambatracker.com/players/rain/KokoJumbo) $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 19:35 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 14:42 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 14:42 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 14:42 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 14:42 UTC [Sticker | Baby Medusa sticker · high](https://gambatracker.com/items/sticker-baby-medusa) Hidden $54.06 77.23 coins $0.64 0.92 coins 0.01x 2026-11-11 14:42 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) [FybZ](https://gambatracker.com/players/rain/FybZ) $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 14:42 UTC [P90 | Cold Blooded (Factory New) weapon · classified](https://gambatracker.com/items/p90-cold-blooded-factory-new) Hidden $54.06 77.23 coins $50.68 72.4 coins 0.94x 2026-11-11 13:47 UTC [Sticker | Boom sticker · Rare](https://gambatracker.com/items/sticker-boom) Hidden $54.06 77.23 coins $0.17 0.24 coins 0.00x 2026-11-11 13:47 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 $1,949 (36.05x) 18+ **Case opening is gambling with skins as the currency.** At 78.0% RTP, every $100 put into cases returns $77.95 on average: an expected loss of $22.05 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