Quick answer
Mental is a Nolimit City slot (2021) with 96.08% RTP, very high volatility and a 66,666x max win. It has free spins, multipliers and split symbols. An official free demo is available. RTP can vary by casino.
Key specs
- RTP
- 96.08%
- Volatility
- Very high
- Hit frequency
- 34.19% (about 1 in 2.9 spins)
- Max win
- 66,666x
- Released
- 31 August 2021
- Bet range
- $0.20–$70
- Jackpot
- None
Not published by the provider: grid
Casinos with Nolimit City games
- Velmora150 No-Wager Free Spins Keep every winNo wageringCarries Nolimit CityPlay at Velmora (opens in new tab)
18+. New customers. Min dep $20. No wagering. 7 days. 150 spins on Big Bass Bonanza at $0.10. Full T&Cs apply.
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.
Check Mental is in the lobby in your country.
Themes:
Part of the Mental series.
Free demo Members
Try Mental with play money before deciding whether to play for real. Official Nolimit City demos are free for GambGenius members.
How to play Mental (members only)
This game uses its own win-evaluation system. Check the in-game paytable for exactly how combinations are formed.
- Set your stake. Choose your total bet per spin between $0.20 and $70. 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.
- Trigger the bonus. Land the required scatter symbols to start the free spins feature.
- Optional bonus buy. Where permitted, pay a fixed price to start the bonus directly.
The full Mental guide: how winnings work, 5 features and 4 strategy tips
- Your stake plan: a $50 budget → about $0.12 a spin (very high volatility)
- What 96.08% RTP costs per $100 wagered: $3.92 on average
- 5 features explained: free spins, multipliers, split symbols, symbol upgrades, bonus buy
- Bonus-buy risk breakdown
- Stake plans for $20 to $250 budgets, checked against the $0.20 minimum bet
- Strategy tips and a session planner for Mental
Free · no card · 18+ only
Never sold · export or delete any time · What do members get?
How winnings work (members only)
What 96.08% RTP costs per $100 wagered, the 66,666x max win at a $1 stake
The top prize is capped at 66,666x your stake. On a $1 spin that is $66,666; on $0.20 it is $13,333.20. When the cap is reached the round usually ends immediately.
Multipliers are applied to wins as they land; in many games several multipliers add together or multiply each other, which is where the largest wins come from.
What 96.08% RTP means
Expected return = stake × 96.08%
Over $100 of total bets, the long-run average loss is $3.92
RTP is a long-run average across millions of spins. Any single session can finish far above or below it, especially on a very high volatility game.
The published hit frequency is 34.19%, meaning roughly one spin in 2.9 returns something — though many of those wins are smaller than the stake.
Features explained (members only)
5 features explained: free spins, multipliers, split symbols, symbol upgrades and more
Free spins
A bonus round of spins played at no cost to your balance, usually triggered by landing three or more scatter symbols. Wins during the round are added to your balance, and many games let you retrigger extra spins.
Multipliers
Multipliers increase a win by a set factor, such as 2x or 10x. They can be attached to symbols, applied to a whole spin, or grow during a feature, and are a main driver of the biggest wins.
Split symbols
Symbols that count as two (or more) of the same symbol, boosting the size of combinations.
Symbol upgrades
Lower-paying symbols are transformed into higher-paying ones during a feature.
Bonus buy
Lets you pay a fixed multiple of your stake to enter the bonus feature straight away instead of waiting for it to trigger. It raises variance considerably and is not available in every country (it is banned in the UK).
Strategy tips (members only)
- Size your stake to the volatility. Very high volatility means most spins lose and a large share of the return comes from rare big features. Treat it as entertainment with a strict budget and a stake of around 0.5% of your session budget or less. A simple rule: bring at least 400 spins' worth of budget, so a $50 budget suggests a stake of about $0.12.
3 more tips and a session planner
- Treat bonus buys as high-risk. Buying the feature concentrates your budget into a few large-variance rounds. Many results return less than the price paid. Read our bonus buy guide first.
- Bonus wagering: at 96.08% RTP, clearing $1,000 of wagering costs about $39.20 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 $0.20 minimum bet
For very high volatility we suggest a budget of at least 400 spins. This is what that means for Mental (bets from $0.20 up to a maximum bet of $70).
| Budget | Stake a spin | Bet range | Average cost of 400 spins |
|---|---|---|---|
| $20 | $0.05 | Below the $0.20 minimum bet | $0.78 |
| $50 | $0.12 | Below the $0.20 minimum bet | $1.96 |
| $100 | $0.25 | Fits | $3.92 |
| $250 | $0.62 | Fits | $9.80 |
Averages only: a short session can end far above or below them. Set a loss limit before you play.
Questions
Frequently asked questions
Who makes Mental?
Mental is developed by Nolimit City and was released in 2021.
What is the RTP of Mental?
The default RTP of Mental is 96.08%.
Is Mental high volatility?
Mental is rated very high volatility. Very high volatility means most spins lose and a large share of the return comes from rare big features.
What is the max win on Mental?
The maximum win on Mental is 66,666x your stake, which is $66,666 on a $1 spin.
Can I play Mental for free?
Yes. GambGenius members can play the official Nolimit City demo of Mental free on this page. It uses play money only, so demo wins can't be withdrawn, and it is for players aged 18 and over.
Does Mental have a bonus buy?
Yes. Mental includes a bonus buy option, although it is unavailable in some countries such as the UK.
Where can I play Mental?
Velmora carries Nolimit City games. Check Mental is in the lobby in your country before you sign up. 18+ · New customers · T&Cs apply. Availability varies by country.
Where this data comes from
- nolimitcity.com Provider
- fan-cdn.nolimitcity.com Provider
Specs are as published by the provider. Casinos can run lower-RTP versions, so always check the game rules before you play.
Game artwork © Nolimit City, shown to identify the game.
