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San Quentin

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San Quentin
Tim Mirroman
Updated 15.01.2026
Reading time 5 min

San Quentin Slot Review | Free Spins, RTP & Max Win

If you've ever fantasised about taking a spin behind bars, here's your chance to bring that to reality. In this San Quentin slot review, we’ll explore the San Quentin slot, a wild ride from Nolimit City provider, not for the faint-hearted.

We’ll also walk you through the gritty prison vibes, the features that can land you a life-changing payout, and where to play it. From its intense bonuses to a jaw-dropping 150,000x max win, this game’s got a serious edge, so stick with us for the full lowdown.

RTP

96.93

Game provider

Nolimit City

Release date

01/2021

Game type

Slots

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Game info

RTP

96.93

Release date

01/2021

Min bet

£0.20

Free spins

Yes

Variances

San Quentin 2

Layout

5x3

Game type

Slots

Game provider

Nolimit City

Max bet

£1.00

Bonus rounds

Yes

Max win

x150000

Volatility

High

Tote

Tote

5/5

Welcome bonus

Bet £10 Get 200 Free Spins

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T&Cs apply.

San Quentin Reviewed

The San Quentin slot immerses players straight into California’s infamous max-security prison, and it’s as grim as it sounds. The slot features barbed wire, concrete walls, and a cast of dodgy inmates who look like they’d shank you for a pack of cigs. The 5x3 grid sits in a prison yard, with cartoonish but gritty visuals that mirror a comic-book style with a dark twist. Animations are sharp, symbols split and explode when you hit features, and the hip-hop soundtrack with filthy guitar riffs gives it a rebellious, outlaw vibe. It’s intense, immersive, and a bit unsettling, but that’s what makes it stand out.

 

Printscreen of San Quentin slot official gameplay

 

San Quentin RTP, Volatility & Max Win

The return to player in slots is 96.03%, which is decent, though it can hit 96.95% with the Bonus Buy outside the UK. The slot volatility is off the charts and insanely high, so wins are rare but can be massive, with a max win of 150,000x your stake, one of the biggest you can find out there. It starts with 243 ways to win, but features can crank that up. 

Nolimit City, the provider, is known for pushing boundaries with slots, and this 2021 release ranked 37th in the Clash of Slots’ Best New Slots of 2021. There are no major awards yet, but it’s a cult hit. UK players can access this slot at licensed casinos.

The Sun Play

The Sun Play

4/5

Welcome bonus

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T&Cs apply.

Game Features You Should Know

The San Quentin slot is packed with features that keep the action chaotic. Here’s the rundown:

 

  • Free Spins: Also known as Lockdown Spins, this feature can be triggered by 3+ guard tower scatters.

  • Scatters: Guard towers kick off the free spins, while 1-2 turn into wilds and unlock Enhancer Cells.

  • Wilds: Regular wilds substitute for all but scatters, Split Wilds split symbols on a reel, and Jumping Wilds in free spins move randomly with multipliers up to 512x.

  • Enhancer Cells: Locked cells at the top and bottom of reels open randomly or with scatters, revealing high-paying symbols, wilds, Razor Splits, or xWays.

  • xWays: These split a reel’s symbols, revealing 4 stacked identical symbols to boost win ways.

  • Razor Split: Doubles all symbols on a reel, or twice if it lands in both top and bottom cells.

 

Printscreen of San Quentin slot bonus features

 

About The Lockdown Spins Bonus

Land three, four, or five guard tower scatters, and you’re in Lockdown Spins. Before it starts, Enhancer Cells on the triggering reels open, revealing a random number of spins and a multiplier on a random inmate symbol. You’ll get one, two, or three Jumping Wilds, which hop to new spots with each spin and can multiply wins by up to 512x if they hit a Razor Split. Enhancer Cells stay active, chucking out wilds, xWays, or splits, and another scatter adds more spins or wilds. It’s a frenzy, and hitting the 150,000x cap stops the round. 

 

Printscreen of San Quentin lockdown bonus free spins

 

Split Wild

Split Wilds can land on any reel in the base game or free spins. When they do, they split all regular symbols on that reel in two, doubling the symbol count and boosting your win ways. They don’t split themselves or other wilds, but they’re a game-changer for racking up bigger combos, especially when paired with Enhancer Cells or xWays.

 

Printscreen of San Quentin Split Wilds

Vegas Wins

Vegas Wins

5/5

Welcome bonus

Deposit £10+ for a 100% Bonus Match up to £20

First deposit only. 100% Bonus Match up to £20. Min deposit £10. Credited within 7 days. 10x wagering, £20 max conversion. Max one claim per player. 18+. Full T&Cs apply.

18+ GambleAware.org

T&Cs apply.

How to Play San Quentin Slot

It’s straightforward to play. Pick your bet, 20p to £32 per spin, and hit the spin button on the 5x3 grid. Wins need 3+ matching symbols from left to right, starting at reel 1. Here’s the symbols for a max bet:

 

Printscreen of San Quentin slot symbol payouts

 

  • Low-Payers: Toilet paper, lighter, shiv, handcuffs, and soap. Pays 0.2x to 1.2x for five.

  • High-Payers: Five inmates (Beefy Dick, Loco Luis, Biker Bill, Heinrich 3rd, Crazy Joe), and pays 2.5x to 5x for five, Beefy Dick’s the top dog.

  • Wilds: Regular and Split Wilds, sub for all but scatters.

  • Scatter (Guard Tower): 3+ trigger Lockdown Spins.

  • Bonus Symbols: xWays, Razor Split, appear in Enhancer Cells.

 

Adjust your bet with the coin icon, or use autoplay for up to 1000 spins (no Quick Spin in the UK). Check the paytable for exact payouts.

 

Where To Play This Nolimit City Slot?

Ready to serve some time? Here’s our best bookmaker casinos in the UK with Nolimit City’s San Quentin slot:

 

  • Bet365

  • William Hill
  • Ladbrokes

 

Where to Find the Demo Version?

Wanna try it risk-free? Most online casinos offer a San Quentin free slot demo; just look for “play for fun” or “demo” mode. Nolimit City’s official site has one too, so you can spin the San Quentin slot without spending a penny. 

 

How Is The Mobile Experience?

Playing on your phone? It’s bang-on. Nolimit City builds for mobile, so the San Quentin slot runs smoothly on Android or iOS. The 5x3 grid fits your screen, buttons are easy to tap, and the visuals stay crisp, even when symbols split like mad. Whether you’re on the train or the bus, it’s a seamless buzz.

Why Should You Give This Prison-Themed Slot a Try?

The San Quentin slot is a beast, and this San Quentin slot review shows why it’s a must-spin. With a breathtaking 150,000x max win that's hard to find in most slots, a gritty prison theme that pulls no punches, and features like Lockdown Spins and xWays that keep you on edge, it’s built for thrill-seekers. The high volatility means it’s not a casual bet, but when it hits, it hits hard.

Nolimit City nailed the vibe, from the dodgy inmates to the hip-hop beats, plus it’s a cracker on mobile too. If you’re up for a wild ride, then you should give this prison slot a go.

Tim Mirroman

As a seasoned content writer and copywriter specialising in iGaming, Tim Mirroman brings over 8 years of expertise in crafting high-quality, engaging content that resonates with diverse audiences. With a strong passion for the iGaming industry, he has developed a unique understanding of the sector's nuances and trends. Tim worked with numerous iGaming brands and platforms, creating content that drives player acquisition, retention, and conversion.

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T&Cs apply.

FREQUENTLY ASKED QUESTIONS

No. Nolimit City is legit, with MGA and UKGC licenses, and UK casinos run it through RNG checks to keep it fair.

Tote

Bet £10 Get 200 Free Spins

New customers online only. Only valid with code B10GET200 on registration. £/€10 min stake on slots and receive 200 Free Spins on Big Bass Splash. Free Spins credited within 48 hours of meeting qualifying criteria. 7-day expiry on code and Free Spins. One per customer. 18+.  Full T&Cs apply. Gambleaware.org.

18+ GambleAware.org

T&Cs apply.