--- title: "Waterworks case on Rain.gg: odds, RTP & drops · gambatracker" description: "Waterworks ($42.40) on Rain.gg, a CS2 case site: no published odds, observed 96.07% over 8,721 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/waterworks rendered: 2026-11-11T23:02Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Waterworks](https://gambatracker.com/cases/rain/waterworks) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Waterworks 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/waterworks?window=24h) [7d](https://gambatracker.com/cases/rain/waterworks?window=7d) [30d](https://gambatracker.com/cases/rain/waterworks) [All](https://gambatracker.com/cases/rain/waterworks?window=all) Price · $42.40 · 60.57 coins Advertised RTP · — · no catalog Observed RTP, 30d · 96.07% · 8,721 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 · 79.84% ±20.05 1,182 openings 7 days · 99.85% ±12.40 7,279 openings 30 days · 96.07% ±10.68 8,721 openings since tracking started · 96.07% ±10.68 8,721 openings 59.0% 86.0% 113.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/waterworks?window=24h) | 1,182 | 79.84% ±20.1 | — | sample | | [7d](https://gambatracker.com/cases/rain/waterworks?window=7d) | 7,279 | 99.85% ±12.4 | — | sample | | [30d](https://gambatracker.com/cases/rain/waterworks) | 8,721 | 96.07% ±10.7 | — | sample | | [All](https://gambatracker.com/cases/rain/waterworks?window=all) | 8,721 | 96.07% ±10.7 | — | 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 [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-07 18:16 UTC [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-07 07:25 UTC [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-06 21:59 UTC [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-06 18:12 UTC [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-05 17:50 UTC [★ M9 Bayonet | Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) Hidden $42.40 60.57 coins $5,917 8,453 coins 139.6x 2026-11-05 14:04 UTC [★ Stiletto Knife | Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/stiletto-knife-doppler-minimal-wear-sapphire) Hidden $42.40 60.57 coins $2,005 2,864 coins 47.28x 2026-11-11 19:22 UTC [★ Stiletto Knife | Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/stiletto-knife-doppler-minimal-wear-sapphire) [rose-2fdbca](https://gambatracker.com/players/rain/rose-2fdbca) $42.40 60.57 coins $2,005 2,864 coins 47.28x 2026-11-11 15:37 UTC [★ Stiletto Knife | Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/stiletto-knife-doppler-minimal-wear-sapphire) Hidden $42.40 60.57 coins $2,005 2,864 coins 47.28x 2026-11-11 00:44 UTC [★ Stiletto Knife | Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/stiletto-knife-doppler-minimal-wear-sapphire) [DylanOnCustomK](https://gambatracker.com/players/rain/DylanOnCustomK) $42.40 60.57 coins $2,005 2,864 coins 47.28x 2026-11-10 17:06 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=waterworks) [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:36 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:36 UTC [Desert Eagle | Cobalt Disruption (Minimal Wear) weapon · classified](https://gambatracker.com/items/desert-eagle-cobalt-disruption-minimal-wear) Hidden $42.40 60.57 coins $70.36 101 coins 1.66x 2026-11-11 22:36 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:36 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:36 UTC [Desert Eagle | Cobalt Disruption (Minimal Wear) weapon · classified](https://gambatracker.com/items/desert-eagle-cobalt-disruption-minimal-wear) [Bobby](https://gambatracker.com/players/rain/Bobby) $42.40 60.57 coins $70.36 101 coins 1.66x 2026-11-11 22:36 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:07 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:07 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) [Bobby](https://gambatracker.com/players/rain/Bobby) $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:07 UTC [Glock-18 | Water Elemental (Field-Tested) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-field-tested) Hidden $42.40 60.57 coins $5.93 8.47 coins 0.14x 2026-11-11 22:05 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 $5,917 (139.6x) 18+ **Case opening is gambling with skins as the currency.** At 96.1% RTP, every $100 put into cases returns $96.07 on average: an expected loss of $3.93 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