What is the Rain.gg promo code?

The Rain.gg promo code is btrf. Enter it when you sign up to join through Betrefs. Rain.gg's own rewards: Wager-based daily cases + races.

How do I use the Rain.gg promo code?

Create an account on Rain.gg, open the promo, referral or affiliate code field (usually in your profile, the deposit screen or the rewards page), enter btrf and confirm.

Does the code work if I already have an account?

Most sites only let you enter a referral code once, and some only for new accounts. If you've never entered a code on Rain.gg, you can usually still add btrf.

We score Rain.gg 5.1/10. Our review covers fairness, payouts, KYC and what players say on Trustpilot.

What is Rain.gg's house edge?

Rain.gg's cases keep 10.3% on average across the 675 cases we measured in October 2026, ranging from 10% to 22.9%. Most case sites keep about 10%.

Rain.gg Promo Code October 2026

Rewards on Rain.gg

Wager-based daily cases + races

Clean CS2 site with the 'best UI for gambling', according to its players, and 1.6/5 on Trustpilot because of bans after wins.

Code

Claim bonus

18+ · Bonus terms set by Rain.gg apply

How to use code btrf

1Open Rain.gg with the button above and sign up (most CS2 sites use Steam sign-in).
2Find the promo, referral or affiliate code field: usually in your profile, the rewards page or the deposit screen.
3Enter btrf and confirm. The bonus is credited straight away or on your first deposit.

What the Rain.gg code gives

Wager-based daily cases + races. Rain.gg sets the exact conditions; check them on the site before you deposit.

Is Rain.gg worth it?

5.1/ 10 Betrefs score

+ Clean, simple design players praise
+ Cases, battles and upgrader without clutter
+ About 2 million visits a month
− 1.6/5 on Trustpilot: bans after withdrawal attempts dominate
− A player says a 4,000 euro win led to a permanent ban

Read our full Rain.gg review →

Rain.gg at a glance

Games: Case Opening, Case Battles, Double, Upgrader
Deposits: CS2 skins, Crypto, Card
Withdrawals: CS2 skins, Crypto
Trustpilot: 1.6 / 5 from 177 reviews
House edge on cases: 10.3% average (we measured 675 cases)

Latest from Rain.gg on X

9 October 2026Weekend plans?View on X
9 October 2026AUG > M4 ?🫪View on X
8 October 2026magixx just casually aces like it's nothing 🥱View on X

From @raindotgg, Rain.gg's own account.

Rain.gg promo code FAQ

What is the Rain.gg promo code?: The Rain.gg promo code is btrf. Enter it when you sign up to join through Betrefs. Rain.gg's own rewards: Wager-based daily cases + races.
How do I use the Rain.gg promo code?: Create an account on Rain.gg, open the promo, referral or affiliate code field (usually in your profile, the deposit screen or the rewards page), enter btrf and confirm.
Does the code work if I already have an account?: Most sites only let you enter a referral code once, and some only for new accounts. If you've never entered a code on Rain.gg, you can usually still add btrf.
Is Rain.gg legit?: We score Rain.gg 5.1/10. Our review covers fairness, payouts, KYC and what players say on Trustpilot.
What is Rain.gg's house edge?: Rain.gg's cases keep 10.3% on average across the 675 cases we measured in October 2026, ranging from 10% to 22.9%. Most case sites keep about 10%.