Insane, max 75,000x
Nolimit City rates the game Insane and lists the 75,000x max win at odds of about 1 in 6.5 million spins.
What it means: The top prize is extremely rare, so set a fixed KSh limit and expect most sessions to end below it.
Slot review · Nolimit City
Folsom Prison slot: RTP 96.07%, features and what it costs in KSh
Folsom Prison is a Nolimit City jailbreak slot that starts on a 2-2-2-2 grid of 16 ways and can unlock up to a 4-6-6-6-4 layout. Cockroach Nest wilds open locked positions, and xWays and xSplit symbols raise the ways count.
Below: what a session costs in shillings at its RTP, how the bonus round works and which casinos on our Kenya list carry Nolimit City slots.
Play Folsom Prison
- RTP
- 96.07%
- Volatility
- Extreme
- Reels · paylines
- 5 · –
By
Amelia Nguyen
Updated 6 Oct 2026
Short answer
What does Folsom Prison cost to play?
Folsom Prison pays back 96.07% of stakes over the long run, a house edge of 3.93%. At KSh 20 a spin, 1,000 spins cost about KSh 786 on average, and KSh 1,000 lasts about 1,272 spins. The top prize is 75,000x the stake, according to Nolimit City. If a casino runs another RTP version, the game's help screen shows it, so check it before you play.
- RTP
- 96.07% Nolimit City
- 1,000 spins at KSh 20
- KSh 786 expected cost
- 1 hour at KSh 20
- KSh 472 600 spins
- Max win
- 75,000x times the stake
Folsom Prison at a glance
| RTP | 96.07% |
|---|---|
| Volatility | Extreme |
| Reels | 5 |
| Lines / ways | 16 ways, expanding via xWays |
| Max win | 75,000x |
| Released | Jun 2022 |
| Volatility (studio) | Insane |
| Free demo | Yes |
Layout, max win, release date and studio volatility: Nolimit City, Folsom Prison game page. Volatility: Nolimit City, Folsom Prison game page.
What Folsom Prison costs per spin
Expected cost = bet × spins × (1 − RTP), at 96.07%.
| Bet per spin | 100 spins | 1,000 spins | 1 hour (600 spins) | vs median 96.01% |
|---|---|---|---|---|
| KSh 10 | KSh 39 | KSh 393 | KSh 236 | −KSh 6 |
| KSh 20 | KSh 79 | KSh 786 | KSh 472 | −KSh 12 |
| KSh 50 | KSh 197 | KSh 1,965 | KSh 1,179 | −KSh 30 |
| KSh 100 | KSh 393 | KSh 3,930 | KSh 2,358 | −KSh 60 |
Volatility
How volatile Folsom Prison is
Volatility and max win: Nolimit City, Folsom Prison game page.
Features
How Folsom Prison pays
Locked grid
The base grid starts with 16 ways, and Cockroach Nest wilds unlock locked positions to grow it.
xWays and xSplit
xWays symbols reveal multiple copies of a symbol and xSplit symbols split neighbours in two, both adding ways.
Walk The Line
Three scatters award at least 8 free spins with one guaranteed cockroach per spin.
The Chair
Four scatters award at least 8 free spins with three guaranteed cockroaches per spin.
Features: Nolimit City, Folsom Prison game page.
Bonus buy
Buying the Folsom Prison bonus
Price: 68x the stake
Where the casino offers it, you pay the price up front and go straight to the bonus round.
What it means: The buy price is a multiple of your bet, so a bigger bet makes it cost more in shillings. Some casinos switch the option off.
Bonus buy price: Nolimit City, Folsom Prison game page.
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Where to play Live ranking
Casinos with Nolimit City slots
Every casino here offers this studio's slots
-
1
22BET KSh 40,000
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
22BET review 18+ · T&Cs Apply · Play Responsibly -
2
888STARZ KSh 213,000 + 150 free spins
- M-Pesa
- ✓
- Airtel Money
- ✓
- Cards
- –
888STARZ review 18+ · T&Cs Apply · Play Responsibly -
3
Betum KSh 25,000
- M-Pesa
- ✓
- Airtel Money
- –
- Cards
- ✓
Betum review 18+ · T&Cs Apply · Play Responsibly -
4
AvaBet KSh 190,000 + 300 free spins
- M-Pesa
- ✓
- Airtel Money
- –
- Cards
- ✓
AvaBet review 18+ · T&Cs Apply · Play Responsibly -
5
Megapari KSh 300,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
18+ · T&Cs Apply · Play Responsibly -
6
1xSlots KSh 190,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
18+ · T&Cs Apply · Play Responsibly -
7
lilbet KSh 190,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
8
22Casino KSh 200,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly -
9
SpinBetter KSh 200,000 + 150 free spins
- M-Pesa
- –
- Airtel Money
- –
- Cards
- –
18+ · T&Cs Apply · Play Responsibly -
10
Talismania KSh 60,000
- M-Pesa
- –
- Airtel Money
- –
- Cards
- ✓
18+ · T&Cs Apply · Play Responsibly
Payment ticks come from each casino's live payment list; a dash means it is not listed, not that it is missing.
FAQ
What is the RTP of Folsom Prison?
The version we list pays back 96.07%, a house edge of 3.93%. At KSh 20 a spin that is an expected cost of about KSh 786 per 1,000 spins. If a casino runs another version, the game's help screen shows it.
How do the free spins work in Folsom Prison?
Three scatters start Walk The Line with one guaranteed cockroach per spin, and four scatters start The Chair with three per spin. Both give at least 8 spins.
What is the max win in Folsom Prison?
Nolimit City lists a max win of 75,000 times the bet.
Can I play Folsom Prison with M-Pesa?
The casino list on this page shows M-Pesa and Airtel Money from each casino's live payment list. Check the cashier before you deposit, and play only if you are 18 or older.
18+
Responsible gambling
Play slots only if you are 18+ and it stays fun
Set a budget before you spin, keep sessions short and never chase losses. Every cost on this page is an average: one session can end far above or below it.