Same brands, same weights, two different answers. The numbers below are deposit-tested and the scores recompute every build.
| Spec | Gamdom | Rollbit |
|---|---|---|
| WCI score | 70 (Adequate) | 78 (Strong) |
| Tier | A | A |
| Overall rating | 8.3/10 | 7.6/10 |
| Welcome bonus | 15% rakeback, weekly races | 15% rakeback (24h) |
| Promo code | newbonus | TOPBONUS |
| Cryptos accepted | 11 | 9 |
| Min deposit | $1 equivalent crypto | 0.00002 BTC (~$2) |
| Withdrawal speed | Under 5 minutes typical on-chain | under 5 min |
| Licence | Curaçao Gaming Authority (OGL/2023/981/0450) | Curaçao Gaming Authority (sub-licence under Curaçao master licence) |
| Year founded | 2016 | 2020 |
| Game count | 6,500+ | 7,000+ |
| Live streaming | No | No |
| Component | Gamdom | Rollbit |
|---|---|---|
| Reserves (30%) | 29 | 79 |
| Payout (25%) | 85 | 85 |
| Age and history (20%) | 100 | 78 |
| Licence (15%) | 70 | 70 |
| Trend (10%) | 100 | 65 |
The 8-point WCI gap is real, just not large. Rollbit edges Gamdom on the formula, mostly through the reserves and payout components rather than the age or licence ones. Both are within the band where a deposit-tester can recommend either, but if you only deposit once and never look at the leaderboard again, the higher number is the safer default.
Rollbit runs a zero-rollover welcome, which is the unusual variable here. Zero rollover means winnings from the bonus convert to cash on the first qualifying bet rather than after multiple replays of the bonus value. That makes the Rollbit offer the higher expected-value pick even before you compare the headline numbers.
Where the two brands actually diverge on product: operating history (Gamdom is the older book by several years). Those are the axes that should decide the pick if the WCI gap is small. None of them shows up in the welcome banner, which is the operator preference, not the player one.
Take Rollbit as the default. WCI 78 against 70 is inside the margin where either operator is defensible, but the higher score is the higher score. Take Gamdom if you specifically want Long-running crypto casino from the CS:GO skin era, now a full originals and slots operator. and you have read the trade-off in Gamdom's review. Both pay out. Both were deposit-tested by us this quarter.
