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Comprehensive Glossary

Casino Bonus Terms Explained

Sarah Mitchell - Chief Casino Analyst
Sarah Mitchell
Chief Casino Analyst • 15+ years casino operations, Former Operations Manager at Betsson Group
January 22, 2025
Updated January 27, 2025
15 min read
Navigating casino bonus offers requires understanding a complex vocabulary of terms and conditions. From wagering requirements to maximum bet limits, each term significantly impacts the true value and usability of a bonus. This comprehensive glossary decodes every important term you'll encounter in casino bonus offers, explaining what they mean, why they matter, and how they affect your ability to withdraw winnings. Whether you're a beginner encountering your first welcome bonus or an experienced player optimizing your strategy, this guide provides the clarity you need to make informed decisions.
20+ Terms Defined
Real Examples
Common Pitfalls

Key Takeaways

  • Wagering requirements are the most critical term—they determine how many times you must bet bonus funds before withdrawal (typically 30x-50x)
  • Maximum bet limits during bonus play (usually £5-$10) are strictly enforced—exceeding them voids all winnings
  • Game contributions vary widely—slots typically count 100% toward wagering while table games may count only 10-20%
  • Time limits and maximum cashout limits can significantly impact the true value of a bonus offer

Core Wagering Terms

Understanding playthrough and rollover requirements

Wagering Requirements (WR)

Also known as: Playthrough, Rollover, Turnover

The number of times you must bet bonus funds (and sometimes deposit funds) before you can withdraw winnings. This is the single most important term affecting bonus value.

Example:

£100 bonus with 30x WR = £3,000 total wagering required

£100 bonus with 40x WR = £4,000 total wagering required

Important Variations:

  • • Bonus Only WR: Only bonus amount counts (30x on £100 = £3,000)
  • • Deposit + Bonus WR: Both count (30x on £200 = £6,000)
  • • Winnings WR: Rare, applies to winnings from free spins

Game Contributions / Weighting

Percentage of each bet that counts toward WR

Different game types contribute different percentages toward completing wagering requirements. This dramatically affects how quickly you can complete WR and which games are optimal.

High Contribution (100%)

  • • Slots
  • • Scratch cards
  • • Keno
  • • Instant win games

Low Contribution (10-20%)

  • • Blackjack (typically 10%)
  • • Roulette (10-20%)
  • • Video Poker (10%)
  • • Baccarat (10%)

Excluded (0%)

  • • Live dealer games (often excluded)
  • • Progressive jackpot slots
  • • Specific restricted games listed in T&Cs

True Value

Expected value after completing all requirements

The realistic amount you can expect to withdraw after completing wagering requirements, factoring in house edge. This is more useful than the headline bonus amount.

Calculation Example:

£100 deposit + £100 bonus = £200 starting

30x WR on bonus only = £3,000 wagering

Playing 96% RTP slots (4% house edge)

Expected loss: £3,000 × 4% = £120

True Value: £200 - £120 = £80 expected final

Net profit: -£20 (negative EV)

Restriction Terms

Limits and prohibitions during bonus play

Maximum Bet Limit

Critical restriction—violating this voids all winnings

The maximum amount you can bet per spin, hand, or round while a bonus is active. This is the most commonly violated term and leads to frequent bonus confiscations.

Common Limits:

  • • £5 / $5 / €5 per bet (most common)
  • • 10% of bonus amount (e.g., £10 on £100 bonus)
  • • 15% of original bonus (stricter casinos)
  • • Some casinos: £2-£3 maximum (very restrictive)

Important Warning

Casino software doesn't always prevent you from exceeding the limit. It's your responsibility to check and comply. Exceeding even once can void your entire balance.

Time Limit / Expiry

Deadline to complete wagering requirements

The period within which you must complete all wagering requirements. After this time, unused bonus funds and any winnings are forfeited.

Generous (30 days)

Plenty of time for casual players

Standard (14-21 days)

Fair for most players

Restrictive (7 days)

Difficult to complete

Special Cases:

  • • Free spins: Often 24-72 hours to use, then 7-30 days to clear winnings
  • • No-deposit bonuses: Usually shorter expiry (7-14 days)
  • • Reload bonuses: Typically 14-30 days

Maximum Cashout / Win Limit

Cap on withdrawable winnings from bonus

The maximum amount you can withdraw from bonus winnings, regardless of how much you win. Excess winnings are removed upon withdrawal request.

Example Scenario:

£10 no-deposit bonus with £100 max cashout

You complete WR and have £500 balance

You can only withdraw £100; £400 is forfeited

Common Limits:

  • • No-deposit bonuses: £50-£100 maximum cashout
  • • Free spins: £100-£500 max from winnings
  • • Deposit bonuses: Usually no max cashout (unlimited)
  • • Some casinos: 5x-10x the bonus amount cap

Minimum Deposit

Required deposit to qualify for bonus

The minimum amount you must deposit to qualify for a bonus offer. Depositing less means you won't receive the bonus.

Common Minimums:

  • • £10 / $10 / €10 (standard)
  • • £20 (premium bonuses)
  • • £5 (very accessible)
  • • £50+ (high roller bonuses)

Why It Matters:

  • • Affects accessibility
  • • Higher minimums often = better bonuses
  • • Must meet minimum for bonus code to work

Bonus Structure Types

Understanding different bonus mechanics

Sticky vs Non-Sticky Bonuses

How bonus funds interact with your withdrawable balance

Non-Sticky (Preferred)

Bonus is separate from real money. You play with real money first, then bonus money. Can withdraw at any time, forfeiting unused bonus.

Better for players - more flexibility

Sticky (Phantom)

Bonus mixed with deposit. Bonus itself can never be withdrawn, only winnings. Must complete full WR before any withdrawal.

Less flexible - bonus is "stuck" to account

Understanding the difference between sticky and non-sticky bonuses is crucial for maximizing your bonus value and managing expectations about what you can withdraw.

Bonus Codes

Alphanumeric codes to activate bonuses

Special codes you must enter during deposit or registration to activate a bonus. Missing or incorrectly entering the code means no bonus.

Examples:

  • • WELCOME100 - 100% welcome bonus
  • • FREESPIN50 - 50 free spins
  • • RELOAD50 - 50% reload bonus
  • • NODEPOSIT - No deposit bonus activation

Important Notes:

  • • Codes are case-sensitive
  • • Must be entered before completing deposit
  • • Cannot be applied after deposit is made
  • • Some codes are exclusive to specific payment methods

Additional Important Terms

Other terminology you'll encounter

RTP (Return to Player)

The percentage of wagered money a game returns to players over time. Higher RTP = lower house edge.

Example: 96% RTP = 4% house edge

Variance / Volatility

How often and how much a game pays out. Low variance = frequent small wins. High variance = rare big wins.

Affects bonus completion strategy

KYC (Know Your Customer)

Verification process requiring ID, proof of address, and payment method verification before withdrawal.

Required by regulators for anti-money laundering

Cashback Bonus

Returns a percentage of losses (10-25% typical). Often has no wagering requirements or very low WR.

Low-risk bonus type

Bonus Balance vs Real Money

Separate accounts tracking bonus funds vs your deposited money. Usually play real money first, then bonus.

Check balance breakdown regularly

Prohibited Play

Betting patterns considered abuse: opposite bets (red/black simultaneously), low-risk strategies, delayed bonus rounds.

Can void bonus and winnings

Common Misunderstandings

Frequent mistakes and how to avoid them

"I can withdraw bonus money directly"

Reality: Bonus funds themselves are almost never withdrawable. Only winnings generated from bonus play can be withdrawn after completing all wagering requirements. The bonus amount is typically deducted from your balance upon withdrawal.

"Wagering 30x means I need to win 30 times"

Reality: Wagering requirement means the total amount you must BET, not win. 30x on £100 means £3,000 total bets, regardless of whether those bets win or lose. You could place 3,000 bets of £1 each, or 300 bets of £10 each.

"All games count equally toward wagering"

Reality: Game contributions vary dramatically. A £10 bet on slots counts as £10 toward WR (100% contribution). The same £10 bet on blackjack might only count as £1 (10% contribution). Some games contribute nothing at all.

"I can withdraw anytime and keep the bonus"

Reality: Withdrawing before completing wagering requirements forfeits the bonus and any winnings generated from it. With sticky bonuses, you cannot withdraw at all until WR is complete. With non-sticky bonuses, you forfeit the unused bonus but keep your deposit and real money winnings.

"The casino will prevent me from violating terms"

Reality: Casino software often allows you to break rules (exceed max bet, play restricted games). The casino checks compliance during withdrawal review, at which point they can confiscate all winnings. It's your responsibility to know and follow all terms.

How to Read Terms & Conditions

What to look for and red flags

Casino bonus terms and conditions can be lengthy and complex, but focusing on a few key areas will reveal the true value and restrictions of any bonus offer.

Essential Information to Check

Before Claiming:

  • • Exact wagering requirement (30x? 40x? 50x?)
  • • WR applies to bonus only or deposit + bonus?
  • • Maximum bet limit during bonus play
  • • Game contribution percentages
  • • Excluded games list

Critical Details:

  • • Time limit to complete wagering
  • • Maximum cashout limit (if any)
  • • Minimum deposit requirement
  • • Bonus code (if required)
  • • Geographic restrictions

Red Flags to Watch For

  • 60x+ wagering requirements: Extremely difficult to complete and rarely offer positive expected value
  • 7 days or less expiry: Not enough time for most players to complete wagering
  • Low max cashout on deposit bonuses: If a deposit bonus has £100-£200 max cashout, it's very restrictive
  • Vague "irregular play" clauses: Gives casino broad discretion to void bonuses
  • Most games excluded from wagering: If only specific low-RTP slots count, the bonus is poor value

Frequently Asked Questions

What does 30x wagering requirement mean?

A 30x wagering requirement means you must bet a total amount equal to 30 times the bonus (or bonus + deposit) before you can withdraw. For example, a £100 bonus with 30x WR requires £3,000 in total bets to complete.

Why do different games contribute differently to wagering?

Casinos weight games based on house edge. Slots have higher house edge (3-5%), so they count 100%. Table games like blackjack have lower house edge (~0.5% with perfect play), so they count less (10%) or are excluded entirely to prevent advantage play.

What happens if I exceed the maximum bet limit?

Exceeding the maximum bet limit is considered a breach of terms and conditions. The casino will void your bonus and confiscate all winnings generated during bonus play. You'll typically receive only your original deposit back.

Can I withdraw before completing wagering requirements?

With sticky bonuses: No, you cannot withdraw at all until WR is complete. With non-sticky bonuses: Yes, but you forfeit the unused bonus amount and any winnings generated from it. You keep your original deposit and any winnings from real money play.

About the Author

Sarah Mitchell - Chief Casino Analyst

Sarah Mitchell

Chief Casino Analyst

15+ years casino operations, Former Operations Manager at Betsson Group

Sarah spent 8 years as Casino Operations Manager at Betsson Group (2012-2020), directly overseeing bonus program design and player retention strategies. She has personally tested and documented over 500 casino bonuses across 200+ operators. In 2019, Sarah identified and exposed hidden wagering terms that affected 50,000+ players, leading to industry-wide transparency reforms. Her expertise in bonus mathematics has been cited by the UK Gambling Commission in regulatory guidance documents.

Areas of Expertise

Bonus AnalysisWagering RequirementsCasino OperationsPlayer Value AssessmentRegulatory Compliance