--- title: "Prehistoric case on Rain.gg: odds, RTP & drops" description: "Prehistoric ($6.26) on Rain.gg, a CS2 case site: no published odds, observed 97.87% over 4,893 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/prehistoric rendered: 2026-11-11T13:07Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Prehistoric](https://gambatracker.com/cases/rain/prehistoric) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Prehistoric 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/prehistoric?window=24h) [7d](https://gambatracker.com/cases/rain/prehistoric?window=7d) [30d](https://gambatracker.com/cases/rain/prehistoric) [All](https://gambatracker.com/cases/rain/prehistoric?window=all) Price · $6.26 · 8.94 coins Advertised RTP · — · no catalog Observed RTP, 30d · 97.87% · 4,893 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 · 541 openings · below min 7 days · 96.65% ±14.16 4,329 openings 30 days · 97.87% ±13.21 4,893 openings since tracking started · 97.87% ±13.21 4,893 openings 61.5% 86.5% 111.5% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/prehistoric?window=24h) | 541 | 82.28% ±19.9 | — | sample | | [7d](https://gambatracker.com/cases/rain/prehistoric?window=7d) | 4,329 | 96.65% ±14.2 | — | sample | | [30d](https://gambatracker.com/cases/rain/prehistoric) | 4,893 | 97.87% ±13.2 | — | sample | | [All](https://gambatracker.com/cases/rain/prehistoric?window=all) | 4,893 | 97.87% ±13.2 | — | 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 [Souvenir AWP | Desert Hydra (Battle-Scarred) Souvenir · weapon · covert](https://gambatracker.com/items/souvenir-awp-desert-hydra-battle-scarred) [nonamejohn](https://gambatracker.com/players/rain/nonamejohn) $6.26 8.94 coins $1,170 1,671 coins 186.9x 2026-11-09 09:22 UTC [Souvenir AWP | Desert Hydra (Battle-Scarred) Souvenir · weapon · covert](https://gambatracker.com/items/souvenir-awp-desert-hydra-battle-scarred) [Mr. Twotrax](https://gambatracker.com/players/rain/Mr.%20Twotrax) $6.26 8.94 coins $1,170 1,671 coins 186.9x 2026-11-04 21:05 UTC [Souvenir M4A1-S | Welcome to the Jungle (Battle-Scarred) Souvenir · weapon · Covert](https://gambatracker.com/items/souvenir-m4a1-s-welcome-to-the-jungle-battle-scarred) Hidden $6.26 8.94 coins $537 768 coins 85.89x 2026-11-05 16:35 UTC [Souvenir M4A1-S | Welcome to the Jungle (Battle-Scarred) Souvenir · weapon · Covert](https://gambatracker.com/items/souvenir-m4a1-s-welcome-to-the-jungle-battle-scarred) Hidden $6.26 8.94 coins $537 768 coins 85.89x 2026-11-04 11:30 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=prehistoric) [AWP | Hyper Beast (Minimal Wear) weapon · covert](https://gambatracker.com/items/awp-hyper-beast-minimal-wear) Hidden $6.26 8.94 coins $51.29 73.27 coins 8.20x 2026-11-11 11:38 UTC [Five-SeveN | Hyper Beast (Field-Tested) weapon · covert](https://gambatracker.com/items/five-seven-hyper-beast-field-tested) Hidden $6.26 8.94 coins $22.69 32.42 coins 3.63x 2026-11-11 11:38 UTC [MP9 | Hydra (Well-Worn) weapon · classified](https://gambatracker.com/items/mp9-hydra-well-worn) Hidden $6.26 8.94 coins $4.00 5.72 coins 0.64x 2026-11-11 11:38 UTC [Five-SeveN | Hyper Beast (Field-Tested) weapon · covert](https://gambatracker.com/items/five-seven-hyper-beast-field-tested) [keytowin](https://gambatracker.com/players/rain/keytowin) $6.26 8.94 coins $22.69 32.42 coins 3.63x 2026-11-11 11:38 UTC [UMP-45 | Primal Saber (Factory New) weapon · classified](https://gambatracker.com/items/ump-45-primal-saber-factory-new) Hidden $6.26 8.94 coins $7.71 11.01 coins 1.23x 2026-11-11 11:35 UTC [M4A1-S | Emphorosaur-S (Battle-Scarred) weapon · restricted](https://gambatracker.com/items/m4a1-s-emphorosaur-s-battle-scarred) Hidden $6.26 8.94 coins $0.28 0.4 coins 0.04x 2026-11-11 11:35 UTC [M4A1-S | Emphorosaur-S (Battle-Scarred) weapon · restricted](https://gambatracker.com/items/m4a1-s-emphorosaur-s-battle-scarred) Hidden $6.26 8.94 coins $0.28 0.4 coins 0.04x 2026-11-11 11:35 UTC [M4A1-S | Emphorosaur-S (Battle-Scarred) weapon · restricted](https://gambatracker.com/items/m4a1-s-emphorosaur-s-battle-scarred) [keytowin](https://gambatracker.com/players/rain/keytowin) $6.26 8.94 coins $0.28 0.4 coins 0.04x 2026-11-11 11:35 UTC [M4A1-S | Emphorosaur-S (Battle-Scarred) weapon · restricted](https://gambatracker.com/items/m4a1-s-emphorosaur-s-battle-scarred) Hidden $6.26 8.94 coins $0.28 0.4 coins 0.04x 2026-11-11 11:32 UTC [M4A1-S | Emphorosaur-S (Battle-Scarred) weapon · restricted](https://gambatracker.com/items/m4a1-s-emphorosaur-s-battle-scarred) Hidden $6.26 8.94 coins $0.28 0.4 coins 0.04x 2026-11-11 11:32 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 $1,170 (186.9x) 18+ **Case opening is gambling with skins as the currency.** At 97.9% RTP, every $100 put into cases returns $97.87 on average: an expected loss of $2.13 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