Quick answer
Grand Slam Casino is a Novomatic (Greentube) slot (2014) with 95% RTP, low–medium volatility and a 1,800x max win. It uses 9 paylines with tumbling reels and gamble feature. RTP can vary by casino.
Key specs
- RTP
- 95%
- Volatility
- Low–medium
- Max win
- 1,800x
- Grid
- 5 reels
- Pays
- 9 paylines
- Released
- 15 October 2014
- Jackpot
- None
Not published by the provider: bet range
Top-rated casinos (check the game is available)
We haven't confirmed which partner carries this game.
- Aurivo Casino100% up to $1,000 + 200 Free Spins30x bonusGet 200 spins + 100% at Aurivo Casino (opens in new tab)
18+. New customers. Min dep $20. 30x bonus wagering. Max bet $5. 30 days. 200 spins on Book of Dead at $0.20. Credited in daily batches of 20 over 10 days. Full T&Cs apply.
Key terms
18+. New customers only. Min deposit $20. 30x bonus wagering requirement. Max bet $5 while wagering. Free spins on Book of Dead at $0.20 per spin. Spins credited in daily batches of 20 over 10 days. Offer valid 30 days. Full T&Cs apply. Please gamble responsibly.
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Key terms
18+. New customers only. Min deposit $20. No wagering on winnings. Free spins on Big Bass Bonanza at $0.10 per spin. Offer valid 7 days. Full T&Cs apply. Please gamble responsibly.
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18+. New customers. Min dep $50. 40x bonus wagering. Max bet $10. 60 days. Full T&Cs apply.
Key terms
18+. New customers only. Min deposit $50. 40x bonus wagering requirement. Max bet $10 while wagering. Cashback: 10% of net casino losses each week (Monday to Sunday), paid as cash with no wagering every Monday, up to $500 a week. Offer valid 60 days. Full T&Cs apply. Please gamble responsibly.
Game availability varies by casino and country.
Themes:
How to play Grand Slam Casino (members only)
Wins are paid when matching symbols land on an active payline, usually left to right starting from the leftmost reel. Your total stake is spread across the lines, and each line win is the line bet multiplied by the symbol's paytable value.
Grand Slam Casino is played on a 5 reels grid with 9 paylines.
- Set your stake. Choose your total bet per spin. Wins are paid as multiples of this stake.
- Check the paytable. Open the game's info screen to see what each symbol pays and the exact rules for this version.
- Spin. Each spin's result is decided by a certified random number generator, independent of previous spins.
The full Grand Slam Casino guide: how winnings work, 2 features and 3 strategy tips
- Your stake plan: a $50 budget → about $0.33 a spin (low–medium volatility)
- What 95% RTP costs per $100 wagered: $5.00 on average
- 2 features explained: tumbling reels, gamble feature
- Stake plans for $20 to $250 budgets, checked against the $0.10 minimum bet
- 4 slots with the same style and a higher RTP (up to 98%)
- Strategy tips and a session planner for Grand Slam Casino
Free · no card · 18+ only
Never sold · export or delete any time · What do members get?
How winnings work (members only)
What 95% RTP costs per $100 wagered, the 1,800x max win at a $1 stake
The top prize is capped at 1,800x your stake. On a $1 spin that is $1,800; on $0.20 it is $360. When the cap is reached the round usually ends immediately.
Because winning symbols tumble away and are replaced, one paid spin can produce a chain of wins. All of them count towards that spin's total.
What 95% RTP means
Expected return = stake × 95%
Over $100 of total bets, the long-run average loss is $5.00
RTP is a long-run average across millions of spins. Any single session can finish far above or below it, especially on a low–medium volatility game.
Features explained (members only)
2 features explained: tumbling reels, gamble feature
Tumbling reels
After a win, the winning symbols are removed and new ones fall into their place. This can create several consecutive wins from a single paid spin. Also called cascades or avalanches.
Gamble feature
After a win you can risk it on a double-or-nothing guess, such as the colour of a card. It does not improve the game's long-term return.
Strategy tips (members only)
- Size your stake to the volatility. Low-to-medium volatility gives fairly regular hits with occasional bigger features. It is a balanced choice for steady play and bonus wagering. A simple rule: bring at least 150 spins' worth of budget, so a $50 budget suggests a stake of about $0.33.
2 more tips and a session planner
- Bonus wagering: at 95% RTP, clearing $1,000 of wagering costs about $50.00 on average. Check the bonus terms, as some casinos exclude specific games. Run your numbers in the wagering calculator.
- Set limits before you spin. Decide your loss limit and session time in advance and stop when you reach either. No pattern or betting system changes the outcome of a spin.
More on this in slot RTP and volatility explained and bankroll management.
Does it fit your budget? (members only)
Stake plans for $20 to $250 budgets, checked against the $0.10 minimum bet
For low–medium volatility we suggest a budget of at least 150 spins. This is what that means for Grand Slam Casino.
| Budget | Stake a spin | Bet range | Average cost of 150 spins |
|---|---|---|---|
| $20 | $0.13 | Fits | $1 |
| $50 | $0.33 | Fits | $2.50 |
| $100 | $0.67 | Fits | $5 |
| $250 | $1.67 | Fits | $12.50 |
Averages only: a short session can end far above or below them. Set a loss limit before you play.
Same style, better RTP (members only)
4 slots with the same style and a higher RTP (up to 98%)
Slots with the same mechanic (paylines) and volatility (low–medium) as Grand Slam Casino, with a higher published RTP. Casinos can still run lower versions of any of them.
Sugar Mix97.37% RTP · +2.37 pts
3 Charms Crush97.23% RTP · +2.23 ptsQuestions
Frequently asked questions
Who makes Grand Slam Casino?
Grand Slam Casino is developed by Novomatic (Greentube) and was released in 2014.
What is the RTP of Grand Slam Casino?
The default RTP of Grand Slam Casino is 95%.
Is Grand Slam Casino high volatility?
Grand Slam Casino is rated low–medium volatility. Low-to-medium volatility gives fairly regular hits with occasional bigger features.
What is the max win on Grand Slam Casino?
The maximum win on Grand Slam Casino is 1,800x your stake, which is $1,800 on a $1 spin.
Can I play Grand Slam Casino for free?
Not on GambGenius at the moment: we don't list an official Novomatic (Greentube) demo of Grand Slam Casino.
Does Grand Slam Casino have a bonus buy?
No bonus buy is listed for Grand Slam Casino in the sources we checked.
Where this data comes from
- greentube.com Provider
- slotcatalog.com Slot database
Specs come from the provider's own site and 1 independent slot database. Casinos can run lower-RTP versions, so always check the game rules before you play.
Game artwork © Novomatic (Greentube), shown to identify the game.
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