--- title: "Only Blues case on Rain.gg: odds, RTP & drops · gambatracker" description: "Only Blues ($1.74) on Rain.gg, a CS2 case site: no published odds, observed 89.43% over 11.5K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/only-blues rendered: 2026-11-12T05:59Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Only Blues](https://gambatracker.com/cases/rain/only-blues) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Only Blues 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/only-blues?window=24h) [7d](https://gambatracker.com/cases/rain/only-blues?window=7d) [30d](https://gambatracker.com/cases/rain/only-blues) [All](https://gambatracker.com/cases/rain/only-blues?window=all) Price · $1.74 · 2.49 coins Advertised RTP · — · no catalog Observed RTP, 30d · 89.43% · 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 · 88.20% ±16.08 1,330 openings 7 days · 89.90% ±6.02 8,593 openings 30 days · 89.43% ±5.23 11.5K openings since tracking started · 89.43% ±5.23 11.5K openings 71.5% 88.3% 105.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/only-blues?window=24h) | 1,330 | 88.20% ±16.1 | — | sample | | [7d](https://gambatracker.com/cases/rain/only-blues?window=7d) | 8,593 | 89.90% ±6.02 | — | sample | | [30d](https://gambatracker.com/cases/rain/only-blues) | 11.5K | 89.43% ±5.23 | — | sample | | [All](https://gambatracker.com/cases/rain/only-blues?window=all) | 11.5K | 89.43% ±5.23 | — | 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 **No drops yet** No drop from this case seen yet. ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=only-blues) [Sealed Graffiti | Choke (SWAT Blue) graffiti · Base Grade](https://gambatracker.com/items/sealed-graffiti-choke-swat-blue) Hidden $1.74 2.49 coins $0.47 0.67 coins 0.27x 2026-11-12 04:49 UTC [Dual Berettas | Cobalt Quartz (Minimal Wear) weapon · #8847ff](https://gambatracker.com/items/dual-berettas-cobalt-quartz-minimal-wear) Hidden $1.74 2.49 coins $0.08 0.11 coins 0.04x 2026-11-12 04:49 UTC [Dual Berettas | Cobalt Quartz (Minimal Wear) weapon · #8847ff](https://gambatracker.com/items/dual-berettas-cobalt-quartz-minimal-wear) Hidden $1.74 2.49 coins $0.08 0.11 coins 0.04x 2026-11-12 04:49 UTC [MAG-7 | Cobalt Core (Factory New) weapon · mil spec](https://gambatracker.com/items/mag-7-cobalt-core-factory-new) Hidden $1.74 2.49 coins $0.45 0.64 coins 0.26x 2026-11-12 04:49 UTC [Dual Berettas | Cobalt Quartz (Minimal Wear) weapon · #8847ff](https://gambatracker.com/items/dual-berettas-cobalt-quartz-minimal-wear) Hidden $1.74 2.49 coins $0.08 0.11 coins 0.04x 2026-11-12 04:49 UTC [MAG-7 | Cobalt Core (Factory New) weapon · mil spec](https://gambatracker.com/items/mag-7-cobalt-core-factory-new) [The Glim Raper](https://gambatracker.com/players/rain/The%20Glim%20Raper) $1.74 2.49 coins $0.45 0.64 coins 0.26x 2026-11-12 04:49 UTC [MAG-7 | Cobalt Core (Factory New) weapon · mil spec](https://gambatracker.com/items/mag-7-cobalt-core-factory-new) Hidden $1.74 2.49 coins $0.45 0.64 coins 0.26x 2026-11-12 02:28 UTC [Dual Berettas | Cobalt Quartz (Minimal Wear) weapon · #8847ff](https://gambatracker.com/items/dual-berettas-cobalt-quartz-minimal-wear) Hidden $1.74 2.49 coins $0.08 0.11 coins 0.04x 2026-11-12 02:28 UTC [Dual Berettas | Cobalt Quartz (Minimal Wear) weapon · #8847ff](https://gambatracker.com/items/dual-berettas-cobalt-quartz-minimal-wear) Hidden $1.74 2.49 coins $0.08 0.11 coins 0.04x 2026-11-12 02:28 UTC [Sealed Graffiti | Choke (SWAT Blue) graffiti · Base Grade](https://gambatracker.com/items/sealed-graffiti-choke-swat-blue) Hidden $1.74 2.49 coins $0.47 0.67 coins 0.27x 2026-11-12 02:28 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 — 18+ **Case opening is gambling with skins as the currency.** At 89.4% RTP, every $100 put into cases returns $89.43 on average: an expected loss of $10.57 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