Mental Slot by Nolimit City
Mental is a 108-ways slot by Nolimit City, released in 2021.
Game facts
| Provider | Nolimit City |
|---|---|
| Game type | Slots |
| Release date | August 2021 |
| RTP | 96.08% |
| Volatility | High volatility |
| Max win | 66,666x the betOdds: 1 in 18,000,000 |
| Reels × rows | 5 × 3 |
| Pays | 108 ways to win |
| Bet range | 0.20–70 |
| Bonus buy | Yes |
| Wild symbol | Yes |
| Features | XWaysXSplitXNudgeFire Frames |
| Themes | HorrorHalloween |
| Restrictions | The feature buy may be removed in some regulated markets |
| App | Yes — how to install |
Free demo of Mental
The free demo of Mental is on this page: no deposit and no real-money wins.
The demo uses virtual credits: no deposit, no real-money wins.
Where to play for real money
18+ · T&Cs apply · Gamble responsibly · Offers for your country
Real-money play is only for adults and only at licensed online casinos where online gambling is legal for you.
How to play Mental
Bet range: 0.20–70
- Match symbols on adjacent reels from the leftmost reel to form winning combinations.
- After a win, the winning symbols are removed and new symbols fall into place.
Bonus features
Free spins
3 Scorpion scatters on reels 1, 3 and 5 trigger 8 Autopsy Free Spins. 3 Scorpions plus 1 Spider trigger 9 Lobotomy Free Spins, and 3 Scorpions plus 2 Spiders trigger 10 Mental Free Spins. A Scorpion landing in a Fire Frame adds 1 spin, and Spiders during the round upgrade it to the next mode.
Multipliers
2 Dead Patient symbols give a patient symbol a random multiplier from x5 to x9,999. In Lobotomy and Mental Free Spins, the Dead Multiplier is collected and passed to new Patient symbols. Its count drops by 1 each time in Lobotomy and never drops in Mental Free Spins.
Bonus buy
Autopsy Free Spins 80x, Lobotomy Free Spins 200x, Mental Free Spins 1,000x, and a 220x lucky dip (50% Autopsy, 40% Lobotomy, 10% Mental) — all multiples of the bet
Fire Frames
each spin, 1 to 13 random positions get a frame, and a symbol landing in a frame splits into 2
Enhancer Cells
on reels 2 and 4, activated by 4 or 6 Fire Frames, revealing a wild, Patient, Dead Patient, xWays, xSplit or xNudge Wild
XWays
reveals a stack of matching symbols, expanding the reel and adding ways to win
XSplit
splits the symbols to its left in two, then becomes a wild; next to a scatter it creates a Super Scatter
XNudge Wild
a wild reel nudges to fill the reel, adding +1 to its multiplier per nudge
Dead Patient
2 Dead Patient symbols give a premium patient symbol a random multiplier from x5 to x9,999
Mental Transform
Spiders on reels 2 or 4 transform into xWays, xSplit, Dead Patient, Wild or Patient symbols
In the base game, 2 Dead Patient symbols grant a random multiplier from x5 to x9,999 to a premium patient symbol. In Lobotomy and Mental Free Spins, this multiplier is collected and passed to new Patient symbols, decreasing by 1 per pass in Lobotomy but never decreasing in Mental Free Spins.
RTP and volatility
| RTP version | Return per 100 staked |
|---|---|
| 96.08% | 96.08 |
| 94.2% | 94.20 |
The gap between versions is 1.88 per 100 staked.
The RTP of the version you play is shown in the game's information screen.
High volatility — With high volatility, wins occur on average every 2.9 spins, and free spins trigger roughly once every 216 spins, offering a 1 in 18,000,000 chance of hitting the maximum win.
Other versions of Mental
| Game | RTP | Max win | Volatility | Year |
|---|---|---|---|---|
| Mental 2 | 96.06% | 99,999x | Very high volatility | 2025 |
Mental app: download and install
The Mental app for Android downloads with the button on this page.
- Tap the download button on this page to get the installation file.
- When Android asks, allow your browser to install apps from this source.
- Open the downloaded file from your notifications or downloads folder.
- Confirm the installation when prompted.
Frequently asked questions
What is the RTP of Mental?
The default RTP of Mental is 96.08%. Casinos can also run versions at 94.2%; the gap is 1.88 per 100 staked. The RTP of the version you play is shown in the game's information screen.
What is the max win in Mental?
The max win in Mental is 66,666x the bet. The odds of hitting it are 1 in 18,000,000. At the maximum bet that is 4,666,620.
How volatile is Mental?
Mental has high volatility. A win lands every 2.9 spins on average. Free spins start every 216 spins on average.
How do free spins work in Mental?
3 Scorpion scatters on reels 1, 3 and 5 trigger 8 Autopsy Free Spins. 3 Scorpions plus 1 Spider trigger 9 Lobotomy Free Spins, and 3 Scorpions plus 2 Spiders trigger 10 Mental Free Spins.
Can you buy the bonus in Mental?
Yes, Mental has a bonus buy.
How does the bonus buy work?
You can purchase Autopsy Free Spins for 80x, Lobotomy Free Spins for 200x, Mental Free Spins for 1,000x, or a lucky dip for 220x the bet, which randomly awards one of the three free spins modes.
What is the difference between Mental and Mental 2?
Mental 2, released in 2025, has a higher maximum win of 99,999 times the bet, compared to Mental's 66,666 max win.
Similar slots
18+. Gambling involves risk; play only where online casinos are legal for you.
Updated: Oct 26, 2026