Casino Lab is a UKGC licensed UK casino, operating since 2020. Current welcome bonus carries a 35x wagering requirement (high wagering). Expected value on a £100 bonus: £40 after wagering. Massive 3500 game library with distinctive scientific theme. 18+ only, BeGambleAware.org.
Volatile Viking 2 by Relax Gaming has an RTP of 96.4% — above the UK market average. Variance: very_high — extreme variance with massive but rare payouts. UK community discussion, session reports and bonus experiences below.
Saw this come up in another thread and wanted to add my take. The honest answer is when it comes to Casino Lab and Volatile Viking 2.
The January 2026 UKGC cap at 10x wagering has genuinely improved things for UK players. Any site offering more than 10x on a bonus is worth questioning.
The Megaways mechanic generates up to 117649 ways to win which sounds impressive but the base game wins are usually tiny.
EV check on Casino Lab welcome bonus: With 35x wagering on a £100 bonus, you need to stake £3500. At a 4% house edge that costs £40 to complete. Expected value: £40. Negative EV — treat as entertainment cost, not profit opportunity.
Key stats: Casino Lab — founded 2020, 3,500 games, withdrawals typically within 3 hours. Volatile Viking 2 — Relax Gaming, 96.4% RTP, very_high variance.
GamStop is worth knowing about even if you are not using it. It is the UK national self-exclusion scheme.
More in Slot Games · Casino Bonuses · No Deposit · Free Spins · No Wagering