---
title: "Brainrot Box case on Chicken.gg: odds, RTP & drops"
description: "Brainrot Box ($877.50) on Chicken.gg, a CS2 case site: advertised RTP 90.00% from 6 items with odds. Independent and free, no sign-up."
url: https://gambatracker.com/cases/chicken/brainrot-box
rendered: 2026-11-11T22:18Z
---

[Case sites](https://gambatracker.com/case-sites) / [Chicken.gg](https://gambatracker.com/case-sites/chicken) / [Brainrot Box](https://gambatracker.com/cases/chicken/brainrot-box)

# [Chicken.gg](https://gambatracker.com/case-sites/chicken) · Brainrot Box

A case on Chicken.gg (official), first seen 2 Nov 2026. Every value is Chicken.gg's own item price converted from Chicken coins at the rate on the site page.

[24h](https://gambatracker.com/cases/chicken/brainrot-box?window=24h) [7d](https://gambatracker.com/cases/chicken/brainrot-box?window=7d) [30d](https://gambatracker.com/cases/chicken/brainrot-box) [All](https://gambatracker.com/cases/chicken/brainrot-box?window=all)

Price · $877.50 · 1,755 coins

Advertised RTP · 90.00% · EV $789.75 from 6 items

Observed RTP, 30d · — · no counted openings

Variance · 0.8× · of price², per opening

Tail share · 30.0% · of openings carry half the EV

Below price · 50.0% · of openings return less than the price

## Advertised vs observed · per window, 95% band and the advertised marker

**No counted openings yet** Openings inside battles and free cases are listed but never counted.

## Windows · the test per window

| Window | Openings | Observed | Dev. | Method |
| --- | --- | --- | --- | --- |
| [24h](https://gambatracker.com/cases/chicken/brainrot-box?window=24h) | 0 | — | — | — |
| [7d](https://gambatracker.com/cases/chicken/brainrot-box?window=7d) | 0 | — | — | — |
| [30d](https://gambatracker.com/cases/chicken/brainrot-box) | 0 | — | — | — |
| [All](https://gambatracker.com/cases/chicken/brainrot-box?window=all) | 0 | — | — | — |

Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

## Items, odds and values · 6 items · odds sum to 1 · observed counts over 0 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.

| Item | Odds | Value | EV share | Observed | Expected | Hot / cold |
| --- | --- | --- | --- | --- | --- | --- |
| [★ StatTrak™ Karambit \| Gamma Doppler (Factory New) (Phase 3) StatTrak · knife · Phase 3](https://gambatracker.com/items/stattrak-karambit-gamma-doppler-factory-new-phase-3) | 10.0% | $1,606 3,212 coins | 20.3% | 0 | 0.0 | — |
| [Negev \| Mjölnir (Factory New) weapon · classified](https://gambatracker.com/items/negev-mjolnir-factory-new) | 10.0% | $1,598 3,196 coins | 20.2% | 0 | 0.0 | — |
| [★ Karambit \| Autotronic (Factory New) knife · covert](https://gambatracker.com/items/karambit-autotronic-factory-new) | 10.0% | $1,592 3,184 coins | 20.2% | 0 | 0.0 | — |
| [★ StatTrak™ M9 Bayonet \| Ultraviolet (Factory New) StatTrak · knife · covert](https://gambatracker.com/items/stattrak-m9-bayonet-ultraviolet-factory-new) | 10.0% | $1,551 3,102 coins | 19.6% | 0 | 0.0 | — |
| [★ StatTrak™ Classic Knife \| Crimson Web (Factory New) StatTrak · knife](https://gambatracker.com/items/stattrak-classic-knife-crimson-web-factory-new) | 10.0% | $1,551 3,102 coins | 19.6% | 0 | 0.0 | — |
| [Dual Berettas \| Shred (Field-Tested) weapon · mil spec](https://gambatracker.com/items/dual-berettas-shred-field-tested) | 50.0% | $0.05 0.1 coins | 0.0% | 0 | 0.0 | — |

Values are Chicken.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. Odds read from `chicken:cases/get-cases`, 11 Nov, 20:05 UTC.

## 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=chicken&case=brainrot-box)

**No drops yet** No drop from this case seen yet.

## Observed RTP over time · daily, 30 days

No history yet

## Catalog changes · price, advertised RTP and contents, per capture

| Captured | Price | Advertised | Items |
| --- | --- | --- | --- |
| 2 Nov, 21:39 UTC | $878 | 90.00% | 6 |

Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listed other 20.0% classified 10.0% covert 20.0% mil spec 50.0%

18+

**Case opening is gambling with skins as the currency.** At 90.0% RTP, every $100 put into cases returns $90.00 on average: an expected loss of $10.00 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