# HowToCasino > Plain-English casino questions and answers for adults in Great Britain, with primary sources, worked examples and transparent limitations. The editorial scope is casino games, bonus terms, payments and UK licensing. Great Britain means England, Scotland and Wales here. The site is not a gambling operator and does not handle player accounts. Publisher: HowToCasino; contact: contact@howtocasino.uk. Article Markdown and HTML are generated from the same editorial records. Each guide identifies its canonical HTML page, update date and sources. Illustrative calculations are not predictions or live offers. Licensing and operator policies can change; consult the dated primary references. ## Topics - [Slots & mechanics](https://howtocasino.uk/topics/slots/index.md): RTP, volatility and the mechanics behind the reels. Understand what the numbers actually tell you. - [Slingo](https://howtocasino.uk/topics/slingo/index.md): Number grids, special symbols, extra spins and game variations. Understand the round and its total cost. - [Blackjack](https://howtocasino.uk/topics/blackjack/index.md): Hands, table rules and side bets, explained one question at a time. - [Video poker](https://howtocasino.uk/topics/video-poker/index.md): Deal, hold and draw, with clear explanations of hand rankings, paytables and the cost of multiple hands. - [Live casino](https://howtocasino.uk/topics/live-casino/index.md): Live dealers, streamed tables and game variations. Know what changes before you join a table. - [Bonuses & terms](https://howtocasino.uk/topics/bonuses/index.md): Read beyond the headline. Wagering requirements, expiry dates and the conditions that matter. - [Deposits & withdrawals](https://howtocasino.uk/topics/payments/index.md): Payment methods, account checks and withdrawal stages, without promises of instant payouts. - [UK casino basics](https://howtocasino.uk/topics/uk-casino-basics/index.md): How licensing works and what to check when comparing a casino serving Great Britain. ## Guides - [What does RTP mean in slots?](https://howtocasino.uk/guides/what-is-slot-rtp/index.md): RTP explained with pound examples: understand theoretical return, house edge, different game versions and why the percentage cannot predict your session. - [What does volatility mean in slots?](https://howtocasino.uk/guides/what-is-slot-volatility/index.md): Understand low and high slot volatility, variance, hit frequency and RTP, with a worked example showing how equal returns can hide very different outcomes. - [How do you read slot game rules and paytables?](https://howtocasino.uk/guides/how-to-read-game-rules/index.md): Check a slot’s total stake, winning combinations, RTP and feature costs. Learn how to read multipliers and distinguish the exact version from a general review. - [What are Megaways slots?](https://howtocasino.uk/guides/what-are-megaways-slots/index.md): Understand changing reel heights, ways to win and the 117,649 figure, with a worked example and checks for a game's actual rules, RTP and features. - [What is a progressive jackpot?](https://howtocasino.uk/guides/what-is-a-progressive-jackpot/index.md): Learn how progressive jackpots grow and reset, how they differ from fixed prizes, and what to check about eligibility, triggers and jackpot RTP in GB. - [How do you play Slingo?](https://howtocasino.uk/guides/how-to-play-slingo/index.md): Understand a Slingo round, number matching, Jokers, prize ladders and paid extra spins. Includes a total-cost example and the rules to check in GB. - [What types of Slingo games are there?](https://howtocasino.uk/guides/types-of-slingo-games/index.md): Compare classic, bonus-led, two-grid, lives-based and selectable-spin Slingo formats, with developer examples and the differences that affect a round. - [What is a soft 17 in blackjack?](https://howtocasino.uk/guides/what-is-a-soft-17/index.md): See soft 17 examples, how an ace changes a hand, the difference between H17 and S17, and why dealer rules are separate from player decisions. - [What are side bets in blackjack?](https://howtocasino.uk/guides/what-are-blackjack-side-bets/index.md): Learn how blackjack side bets are settled separately, how to calculate your combined stake and why one winning wager can still leave an overall loss. - [What is 21+3 in blackjack?](https://howtocasino.uk/guides/what-is-21-plus-3-in-blackjack/index.md): 21+3 explained: which three cards count, how poker combinations are assessed and how to read payout odds without confusing a side bet with the blackjack hand. - [What does double down mean in blackjack?](https://howtocasino.uk/guides/what-does-double-down-mean-in-blackjack/index.md): See how doubling down changes your stake and limits you to one more card, with £5 examples, settlement calculations and table rules to check. - [What is insurance in blackjack?](https://howtocasino.uk/guides/what-is-insurance-in-blackjack/index.md): Understand blackjack insurance as a separate side bet, with a £10 hand example, profit-versus-return calculations, even money and the probability threshold. - [What is a live dealer casino?](https://howtocasino.uk/guides/what-is-live-casino/index.md): Understand live casino tables, dealer streams, betting windows and game-show variations. Check rules, costs and connection policies before making a decision. - [What are casino wagering requirements?](https://howtocasino.uk/guides/what-are-wagering-requirements/index.md): Understand casino bonus wagering with pound examples, game contribution rates, the UK 10x cap and the distinction between bonus funds and your own deposit. - [How do casino welcome bonuses work?](https://howtocasino.uk/guides/how-to-read-casino-bonus-terms/index.md): Learn how deposit matches and free spins work, what no wagering means, and which eligibility, expiry and withdrawal conditions to check before accepting a bonus. - [How do you compare casino payment methods?](https://howtocasino.uk/guides/how-to-compare-casino-payments/index.md): Compare deposit and withdrawal support, fees, limits and processing stages. Understand what a PayPal or Apple Pay logo does and does not tell you. - [Why do casino withdrawals take time?](https://howtocasino.uk/guides/why-do-casino-withdrawals-take-time/index.md): Understand pending, approved and sent withdrawals, review versus payment time, legitimate checks and what to ask when a casino withdrawal is delayed. - [Why do UK casinos ask for ID?](https://howtocasino.uk/guides/why-do-casinos-ask-for-id/index.md): Understand casino age and identity checks, electronic verification, document requests, later checks and what to do if you do not understand a request. - [How do you check if an online casino is legitimate in the UK?](https://howtocasino.uk/guides/how-to-check-casino-licence/index.md): Check the exact casino domain, legal operator, licence status and remote casino activity on the UKGC register. Understand what a licence does and does not prove. - [How do you compare online casino sites in the UK?](https://howtocasino.uk/guides/how-to-compare-uk-casinos/index.md): Compare licensing, exact game rules, withdrawal policies, costs, account controls and support. Use evidence and current terms instead of a headline bonus or score. - [What is a push in blackjack?](https://howtocasino.uk/guides/what-is-a-push-in-blackjack/index.md): Understand when a blackjack hand is a push, how much of your stake comes back, and why natural blackjack, busts and side bets need separate checks. - [What does split mean in blackjack?](https://howtocasino.uk/guides/what-does-split-mean-in-blackjack/index.md): Learn how splitting creates two separately settled blackjack hands, with £5 stake examples, split-ace restrictions, resplitting and double-after-split checks. - [What is surrender in blackjack?](https://howtocasino.uk/guides/what-is-surrender-in-blackjack/index.md): Understand the half-stake surrender action, early versus late timing, a £10 worked example and why surrender is unavailable at some blackjack tables. - [What does “blackjack pays 3 to 2” mean?](https://howtocasino.uk/guides/what-does-blackjack-pays-3-to-2-mean/index.md): Calculate a 3:2 blackjack payout in pounds, compare it with 6:5 and 1:1, and check when a hand qualifies for the natural-blackjack rate. - [Is online blackjack rigged?](https://howtocasino.uk/guides/is-online-blackjack-rigged/index.md): Understand how RNG and live blackjack are checked in Great Britain, what losing streaks can and cannot show, and how to investigate a disputed round. - [How do you play video poker?](https://howtocasino.uk/guides/how-to-play-video-poker/index.md): Learn a video poker round, holding and replacing cards, reading a paytable and counting the cost of multiple hands, with original pound examples. ## Reference and editorial information - [Casino glossary](https://howtocasino.uk/glossary/index.md): Short definitions with links to full explanations. - [About HowToCasino](https://howtocasino.uk/about/index.md): Purpose, geographic scope and publisher. - [Editorial policy](https://howtocasino.uk/editorial-policy/index.md): Evidence, corrections and commercial transparency. - [Contact and corrections](https://howtocasino.uk/contact/): HTML page with the editorial email and correction process. - [Safer gambling](https://howtocasino.uk/safer-gambling/): HTML page linking to GamCare and GAMSTOP. ## Optional - [Complete guide text](https://howtocasino.uk/llms-full.txt): Combined Markdown of all 26 guides for clients that need the whole reference. - [Privacy and cookies](https://howtocasino.uk/privacy/index.md): Current information-handling notice. - [Terms of use](https://howtocasino.uk/terms/index.md): Scope and limitations of the editorial information. - [XML sitemap](https://howtocasino.uk/sitemap.xml): Canonical HTML addresses for search discovery.