Rotten Slot by Hacksaw Gaming
Rotten is a slot by Hacksaw Gaming, released in 2022.
Game facts
| Provider | Hacksaw Gaming |
|---|---|
| Game type | Slots |
| Release date | December 2022 |
| RTP | 96.27% |
| Volatility | High volatility |
| Max win | 10,000x the bet |
| Reels × rows | 6 × 5 |
| Pays | 35 paylines |
| Bet range | 0.10–100 |
| Bonus buy | Yes |
| Wild symbol | Yes |
| Jackpot | No |
| Features | SwitchSpinsBonus buy |
| Themes | HorrorZombieMonster |
| Devices | Desktop and mobile browsers (HTML5) |
| App | Yes — how to install |
Free demo of Rotten
Rotten also has a free demo mode with virtual credits.
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 Rotten
Bet range: 0.10–100
- Match symbols on one of the 35 paylines.
- Land a Switch symbol to trigger respins.
- During respins, symbols change into Wilds or top pays.
- Collect three Mad Scientist scatters for free spins.
- Collect three Total Takeover scatters for another bonus.
Bonus features
Free spins
Mad Scientist: 3 Mad Scientist scatters award 10 free spins with a higher chance of Switch symbols (switched symbols reset each spin).
Bonus buy
Bonushunt FeatureSpins 3x, Switch FeatureSpins 20x, Mad Scientist 110x, Total Takeover 250x the bet (availability varies by jurisdiction)
Not available in United Kingdom: Bonus buySwitchSpins
landing a Switch symbol triggers 1 to 10 respins in which randomly selected symbols are switched to the top-paying clown symbol or to Wilds; new Switch symbols add more switches and respins.
Wild
a stretching-hand Wild substitutes for pay symbols and is also the highest-paying symbol, paying 50x the bet for 6 on a payline.
Mad Scientist
3 Mad Scientist scatters award 10 free spins with an increased chance of Switch symbols; switched symbols reset after each spin.
Total Takeover
3 Total Takeover scatters award 10 free spins in which switched symbols stay switched for the whole round; 3 more Total Takeover scatters add 4 spins.
SwitchSpins respins convert random symbols into Wilds or the top-paying clown symbol, with each new Switch symbol adding more respins and switches. In Mad Scientist free spins, switched symbols reset after every spin, while Total Takeover keeps them active for the entire round.
RTP and volatility
| RTP version | Return per 100 staked |
|---|---|
| 96.27% | 96.27 |
| 94.13% | 94.13 |
| 92.23% | 92.23 |
| 88.03% | 88.03 |
The gap between versions is 8.24 per 100 staked.
The RTP of the version you play is shown in the game's information screen.
High volatility — The game is highly volatile, with wins occurring on a small share of spins and the top prize being a rare event.
Rotten app: download and install
The Rotten 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.
FAQ
What is the RTP of Rotten?
The default RTP of Rotten is 96.27%. Casinos can also run versions at 94.13%, 92.23%, 88.03%; the gap is 8.24 per 100 staked. The RTP of the version you play is shown in the game's information screen.
What is the max win in Rotten?
The max win in Rotten is 10,000x the bet. At the maximum bet that is 1,000,000.
How volatile is Rotten?
Rotten has high volatility.
How do free spins work in Rotten?
Mad Scientist: 3 Mad Scientist scatters award 10 free spins with a higher chance of Switch symbols (switched symbols reset each spin).
Can you buy the bonus in Rotten?
Yes, Rotten has a bonus buy. It is not available in United Kingdom.
How does the Total Takeover bonus differ from the Mad Scientist bonus?
Total Takeover free spins keep switched symbols active for the whole round, while Mad Scientist resets them after each spin. Total Takeover costs 250x the bet versus 110x for Mad Scientist.
What does the Switch FeatureSpins option do?
This option places a Switch symbol on every spin, leading to more frequent respins and symbol changes than in the standard game.
Similar slots
18+. Gambling involves risk; play only where online casinos are legal for you.
Updated: Nov 4, 2026