Start with the one fact that frames everything: a promotion never changes the house edge. Aviator's RTP is fixed at around 97% whether or not there's an offer attached, and casino games are the same. Operators run promotions to attract and keep players and to increase how much gets played — not out of generosity. That doesn't make promotions worthless; it means you have to read them for what they actually give you, not for the size of the headline.

The main types you'll see

The one test that cuts through it. A promotion is only worth something if it's withdrawable without heavy wagering — and if it's attached to play you were going to do anyway. Judge an offer by its terms, never by the size of the number in the banner. No-rollover cashback beats a giant bonus locked behind 10x wagering, every time.

The part the promotions don't mention

Promotions are designed to increase how much you play. That's the point of them. A good offer can add value at the margin, but chasing promotions — depositing more to "unlock" a bonus, or playing through a rollover you didn't want — is how people spend more than they meant to. Set your budget first, then see whether a promotion fits it. Never let the promotion set the budget.

Where to play, if you're going to

Promotions only matter on an operator that's actually licensed and pays out — so confirm any operator on our register before depositing, and if you're unsure how, see how to verify a licence. For the licensed operators we've personally tested for casino and crash games — including which ran the most genuinely useful promotions in our testing — see our tested operators. And whatever you play, keep it within a budget you've set in advance; our responsible gambling page is there if it stops being fun.