Stake

Solid platform overall. Slots library is huge and the live-dealer studios run smoothly even on mobile. My issue is the VIP program — they tell you nothing about the levels, you just hope rakeback gets bumped. Withdrawal speed is excellent though.

I've been playing on Stake for about 6 months and the BTC withdrawals are usually under 10 minutes. Customer support actually answers in chat (not email-tag). The Originals games like Plinko and Mines have a fair RTP from what I've tracked. Only complaint: country restrictions sometimes pop up randomly.