About Us
Casino Sites is an independent research site built for US players trying to work out which online casinos are worth their time. We don't operate a casino, and we don't accept bets. What we do is dig into the operators available to US residents — their licensing, their games, their banking options and, in particular, how their bonuses and cashback rewards actually work once the fine print is factored in — and put the results in one place.
Why We Focus on Cashback and Reward Terms
A welcome offer is only worth what a player can realistically get out of it. Two casinos can advertise similar-looking match percentages and land in very different places once wagering requirements, expiry dates, game weighting and maximum cashout limits are applied. That's why our reviews spend as much time on the conditions attached to a reward as on the headline number. A large match percentage with a tight time limit or heavy playthrough requirement isn't automatically the better deal, and part of our job is showing readers where that trade-off sits before they deposit anything.
How the Casinos on This Page Are Assessed
We rank operators on a consistent set of factors rather than on how large a bonus looks at first glance. Commission from any casino we link to never buys a better position — ranking is based on research, not on payment.
- Licensing and oversight — whether the operator can be reasonably expected to hold valid regulatory approval and to submit to independent oversight
- Bonus and cashback terms — wagering requirements, expiry windows, game restrictions and maximum withdrawal caps attached to any offer
- Game range and fairness — the breadth of slots, table games and live-dealer options, and whether certified random number generators are used
- Banking — the deposit and withdrawal methods on offer, processing times and any fees
- Support and security — how a player can reach customer service, and whether the site uses HTTPS encryption to protect account details
What Our Ratings Cover — and What They Don't
Our editorial ratings, like the 10.0 we give Raging Bull or the 9.7 for Uptown Aces, reflect our own research against the criteria above. They are not customer-review scores, and they are not a guarantee of any outcome. Every casino game carries a built-in house edge, and no bonus — cashback included — changes that. Return to Player (RTP) figures quoted by operators are long-run statistical averages calculated over millions of spins or hands; they describe expected behaviour over time, not what happens in any single session.
A Closer Look at a Few of the Options We Cover
Raging Bull tops our list largely on the strength of its welcome package — 410% up to $10,000 plus 50 free spins — which is one of the larger match percentages among the sites we've researched. A bonus of that size will typically carry a substantial wagering requirement before any winnings can be withdrawn, so it suits players planning to deposit and play consistently rather than those wanting to cash out quickly.
Uptown Aces follows with a 600% new-player offer, the highest percentage on this page. That figure is attractive on paper, but percentages this high are usually spread across multiple deposits rather than a single one, and the terms should be read in full before assuming the whole amount applies to one transaction.
Slots of Vegas rounds out our top three with a 375% bonus plus 50 free spins tied to a specific game, Cash Chaser. Tying free spins to one title is common practice, but it does mean the spins won't apply broadly across the slot library, which is worth knowing before you sign up expecting flexibility.
How the Money Works
Depositing and withdrawing at a US-facing online casino generally follows a similar pattern across operators, though exact methods vary by site:
| Method | Typical use | What to check |
|---|---|---|
| Debit cards | Deposits | Instant processing, but confirm whether cash advance fees apply from your bank |
| ACH bank transfer | Deposits and withdrawals | Often slower than cards; check minimum and maximum limits |
| Cryptocurrency | Deposits and withdrawals | Can be faster for withdrawals; value can fluctuate before a transaction settles |
| Digital wallets | Deposits and withdrawals, where supported | Availability varies by operator and state |
| Online cash transfer services | Deposits | Fees and limits differ by provider |
Before any withdrawal is released, most licensed operators require identity verification (KYC) — typically a government-issued ID and proof of address. This is a standard anti-fraud and compliance step, not a sign of a problem with your account, but it can add time to a first withdrawal if documents aren't ready in advance.
What's Actually on Offer Beyond the Casino Games
The catalogue on operators like these usually splits into a few broad categories: slot machines, which make up the bulk of most libraries and range from simple three-reel titles to feature-heavy video slots; table games such as blackjack, roulette and baccarat, which run on fixed house-edge rules; and live-dealer rooms, which stream real dealers running table games in real time for players who want a closer approximation of a physical casino floor. Some of these sites also run sportsbook or sweepstakes-style products alongside their casino offering — a separate line of business with its own rules and, often, its own bonus structure, so it's worth checking that any cashback or welcome offer applies to the product you actually intend to use.
Who Can Play and What Regulation Means for You
Eligibility for real-money online gambling in the US depends heavily on where you live. Some states regulate and license online casino play directly; in others, only sweepstakes-style or social casino formats are available, and in many states online casino play isn't offered at all. Wherever it is offered, players are generally required to be at least 21 years old and physically located within a state where the activity is legal at the time of play — location is usually verified by the platform itself. A valid license from a recognized regulator matters because it brings independent oversight of game fairness, fund handling and complaint resolution; sites without one offer far less recourse if something goes wrong. We do not verify licensing status for every operator listed here on an ongoing basis, so readers should confirm current legal status in their own state before signing up anywhere.
Playing Responsibly
Cashback and bonus offers are designed to encourage continued play, and it's worth setting boundaries before claiming one rather than after. Most licensed operators offer deposit limits, time-out periods and self-exclusion tools directly in account settings. If gambling stops feeling like entertainment, free and confidential support is available through the National Council on Problem Gambling and through state-specific problem gambling helplines. Our Responsible Gambling page has more detail on setting limits and where to find help.
Our Independence
Casino Sites may earn a commission if a reader clicks through to a casino from this site and signs up. That relationship never decides where an operator sits in our rankings or how we describe its terms — commission is not a factor in scoring, and we say so plainly when a bonus or feature falls short. Full details of how the site operates are set out in our Terms and Conditions.
Getting in Touch
If something on this site looks out of date, or you've spotted a term that's changed at one of the operators we cover, our Contact Us page is the quickest way to reach us. Readers outside the US researching alternative markets may also find our page on non-Gamstop casinos useful for comparison.