I understand you’re asking about a “deposit 20 bonus 30” offer for online slots. This is a very common type of casino promotion.
Here’s a clear breakdown of what this typically means and what you **must check** before claiming any offer.
### What “Deposit 20, Get 30 Bonus” Usually Means:
1. **Minimum Deposit:** You must deposit at least £20 (or the equivalent in your currency).
2. **Bonus Amount:** The casino will give you an **extra £30 in bonus funds**.
3. **Total to Play With:** You would start with **£50** (£20 of your own money + £30 bonus money).
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### ⚠️ CRITICAL TERMS & CONDITIONS TO CHECK:
These offers are **never** just free cash. They come with strict rules to protect the casino.
**1. Wagering Requirements (The Most Important Rule):**
This is the number of times you must bet the bonus amount (or the bonus + deposit) before you can withdraw any winnings.
* **Example:** A 35x wagering requirement on the **£30 bonus** means you must place total bets of **£1,050** (30 x 35) before cashing out.
* **Always check:** Is the requirement on the **bonus only** or the **bonus + deposit**? The latter is much harder to clear.
**2. Game Weighting:**
Not all games contribute 100% to the wagering requirements.
* **Slots** often contribute 100%.
* **Table games (like blackjack, roulette)** or live dealer games might contribute only 10% or even 0%. This means bets on these games barely count toward clearing the bonus.
**3. Maximum Bet Limit:**
While playing with bonus funds, there is almost always a **maximum bet per spin** (e.g., £5). If you exceed this, the casino may void your bonus and any winnings.
**4. Time Limit:**
You usually have a limited time (e.g., 7 days) to meet the wagering requirements before the bonus and any winnings from it expire.

**5. Withdrawal Restrictions:**
You often **cannot withdraw** the bonus funds themselves. You can only withdraw winnings made *from* them after meeting the wagering requirements.
**6. Eligible Games:**
The bonus might only be valid for specific slot games. Always check the list.
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### Should You Take This Offer?
**Pros:**
* Effectively gives you more playtime for your initial deposit.
* Good for trying out a new casino or specific slots.
**Cons (Risks):**
* Wagering requirements are often very high, making it difficult to actually withdraw real money.
* The terms can be restrictive and easy to violate (e.g., by betting too much).
* Can encourage you to play more than you intended.
### Final Advice:
1. **Read the Full T&Cs:** Never claim a bonus without finding and reading the specific terms for that offer.
2. **Look for Low Wagering:** The best offers have wagering requirements under 30x the **bonus amount**.
3. **Play Responsibly:** Only gamble with money you can afford to lose. Consider the bonus as a chance to extend your entertainment, not a way to make money.
4. **Choose Licensed Casinos:** Only play on sites regulated by reputable authorities like the UK Gambling Commission, Malta Gaming Authority, etc.
**Remember:** If an offer seems too good to be true, it usually is. The “deposit 20, bonus 30” is a marketing tool to attract players, but the real cost is hidden in the wagering requirements.


