Power Slots is licensed by the UK Gambling Commission and the Malta Gambling Authority. The casino has a huge suite of the best video slot games from over 33 of the top game providers. This is definitely one of the best online casinos for European slot players. The casino is mobile-friendly, and they offer 24/7 player support via live chat. You can easily make a deposit at this casino in GBP, EUR, or USD. They accept players from the UK.