What are betting bonuses and why do they exist?
Betting bonuses and casino bonuses 2026 are extra funds, free spins or free bets that operators hand out to attract new customers and keep existing ones. They are a marketing tool: the operator gives you a bonus, and in return you play it through under certain conditions. That is why you should treat a bonus not as "free money" but as an offer that comes with rules.
BonusRadar analyses every type of bonus separately: how it is activated, how it is wagered and when you are better off declining it. Below are the main types and how to evaluate them.
Bonus types at a glance
| Bonus type | How it's given | Key condition |
|---|---|---|
| Welcome bonus | A percentage is added to your first deposit | Wagering, deadline, minimum odds |
| Free spins | Free rounds on a specific slot | Winnings are wagered separately |
| No deposit bonus | A small bonus without depositing | Low max cashout, strict deadline |
| Cashback | Part of your losses is returned | Calculation period, sometimes wagering |
| VIP / loyalty | Points are earned on your bets | Tier requirements, points exchange rate |
How to evaluate a bonus
A big percentage or a big amount does not automatically make a good bonus. We recommend checking every offer against three key indicators:
- Wagering requirement (rollover). This shows how many times the bonus has to be bet. For example, a $100 bonus with x5 wagering needs $500 of turnover, while at x40 it needs $4,000. More detail: wagering requirements explained.
- Maximum win and maximum bet. Some bonuses cap the winnings you can take from them, and limit the size of a single bet while wagering.
- Deadline. A bonus usually has to be wagered within a few days or weeks. When the deadline passes, the bonus and any winnings from it are removed from your account.
Registering with promo code XBUNKER
You can enter the promo code XBUNKER when signing up with our partner bookmakers. Under the current promotion terms, the code unlocks an extra bonus or an extended welcome package. Where to type the code, and why it sometimes doesn't work, is explained on our promo code page.
Partners and payment methods
We track the offers of four operators — Mostbet, Linebet, 888Starz and Fastpari. Under current terms, Mostbet offers a ~125% first-deposit bonus plus free spins, Linebet a 100% sports bonus, and 888Starz and Fastpari a casino package of up to €1500. All of them accept cards and crypto, and depending on your country local options may be available too (for example Uzcard and Humo in Uzbekistan). Full table: bonus comparison. Bookmaker reviews and other promo codes are on our main site.
Common beginner mistakes
Most bonus problems are caused not by the operator but by players not reading the terms. Here are the situations we see most often:
- Picking the wrong bonus type. A sports bettor takes a casino package and only later discovers it can't be wagered on sports bets.
- Exceeding the maximum bet. While a bonus is active, one big bet can cancel the whole bonus.
- Forgetting the deadline. The rollover is left half-finished and the bonus expires automatically.
- Requesting a withdrawal before wagering is complete. At many operators this cancels the bonus.
- Opening multiple accounts. This is prohibited by every operator and leads to your account being blocked.
Every one of these mistakes can be avoided by spending a few minutes reading the terms beforehand. Each of our pages explains exactly these points with examples, so skim the relevant guide before you claim a bonus.
Responsible gambling
A bonus is an extra that extends your playing time, not a source of income. In casino games the house edge always remains, and sports betting has a built-in margin. Only play with money you can afford to lose, and set deposit and time limits in advance. This site is for adults aged 18+.