Do you want to play no-deposit free spins on Finn and the Swirly Spin?
Created by NetEnt, Finn and the Swirly Spin is an Irish-themed online slot that broke the mold when it launched in 2017. It keeps the charm of a five-reel experience yet replaces traditional reels with a unique spiral mechanic. Symbols do not drop from above. Instead, they travel along a swirling path that starts at the bottom-left corner and winds toward the center, building anticipation as potential matches slide past each other along the way. The presentation leans into Celtic folklore, with lilting music, rolling green vistas, and a cheeky leprechaun, all backed by a whimsical soundtrack that sets the tone for lighthearted play.
The core appeal is how the grid resolves wins. Rather than fixed paylines, wins form horizontally or vertically on a 5×5 grid, and cascades, also called avalanches, can chain together. Each win spawns a star that clears adjacent symbols, keeps the momentum going, and can nudge a special key closer to the center. When that key reaches the keyhole, you enter one of several themed free spin realms, each with distinct modifiers that shape volatility and payout potential.
These are the bonus offers we currently have for Finn and the Swirly Spin:
18+ | Terms & conditions apply.
- ✓ Available on 3 slots
- ✓ 100% up to $100
- ✓ 180 Bonus Spins
18+. New players only. Exclusive bonus on registration available only through our promotional link: 50 Free Spins on Candy Starz, Elvis Frog in Vegas, or Gemhalla (BGaming). 40x wagering requirement on bonus money. Maximum bet $5. Maximum win $150. Maximum withdrawal $150. KYC verification required. Minimum deposit of $20 required to withdraw winnings. Available in your profile and notifications. First deposit bonus: 100% up to $100 (or 1 BTC) + 180 Free Spins. Minimum deposit $20. General Terms & Conditions apply.
18+ | Terms & conditions apply.
- ✓ Bonus code: FREESP20
- ✓ 400% Match Deposit
- ✓ 100 Bonus Spins
18+ | Terms & conditions apply.
- ✓ $25 Minimum deposit
- ✓ Crypto Bonus up to 300%
- ✓ Bonus code: WELCOME
18+. New players only. CODE: WELCOME. First Deposit Bonus: 250% up to $5,500, min. deposit $25. Crypto deposits receive up to 300% bonus. 35x wagering on deposit and bonus amount. Valid on Slots (excluding Progressive Slots) and all Blackjack games except Live Dealer titles. Maximum withdrawal x25 the deposit amount. Terms apply.
18+ | Terms & conditions apply.
- ✓ Bonus code: SPINUP25
- ✓ Crypto Deposit $10 for
- ✓ 350% Match Bonus
18+ | Terms & conditions apply.
- ✓ 200% up to $200
- ✓ Non-Sticky bonus
- ✓ $5 Minimum Deposit
18+ | Terms & conditions apply.
- ✓ Deep Sea (BGaming)
- ✓ Bonus code: DEEPBIT
- ✓ Up to 1.5 BTC & 100 Spins
18+ | Terms & conditions apply.
- ✓ Slot game: Spicy Reels Fiesta
- ✓ Bonus code: NINJASPICE
- ✓ 500% Crypto Bonus
18+ | Terms & conditions apply.
- ✓ On First Deposit
- ✓ Bonus Code: TITANIC200
- ✓ $25 Min. Deposit
18+ | Terms & conditions apply.
- ✓ Wild Cash (BGaming)
- ✓ Bonus code: 30BET
- ✓ Up to 1.5 BTC & 100 Spins
18+ | Terms & conditions apply.
- ✓ Bonus code: INVASION300
- ✓ No max cashout
- ✓ $25 Min. Deposit
18+ | Terms & conditions apply.
- ✓ Dig Dig Digger (BGaming)
- ✓ Bonus code: MX20
- ✓ Up to 1.5 BTC & 100 Spins
18+ | Terms & conditions apply.
- ✓ 50 Free Spins No Deposit
- ✓ Exclusive Bonus Codes
- ✓ Newest Online Casinos
Table of Contents
Finn and the Swirly Spin by NetEnt overview
| Slot Title | Finn and the Swirly Spin |
| Software Provider | NetEnt |
| Type | Video Slot |
| Theme | Irish, Fantasy |
| Release Date | 2017 |
| RTP | 96.62% |
| Volatility Level | Medium |
| Hit Frequency / Hit Rate | Approximately 1 in 4 |
| Maximum Win / Multiplier | 1,000x |
| Jackpot Type | No Jackpot |
| Payout Structure | Standard Win & Free Spins |
| Reels & Paylines | 5 Reels, 25 Paylines |
| Game Mechanics | Swirly Spin Mechanic, Free Spins, Random Features |
| Bonus Features | Free Spins, Starfall Wilds, Random Features |
| Special Symbols | Wild, Scatter |
| Autoplay / Turbo Mode | Yes / Yes |
Finn and the Swirly Spin uses a 5×5 grid with wins paid for three or more matching symbols in a line, either horizontally or vertically. Smaller icons, like stone spades and wooden hearts, sit at the lower end of the paytable, while horseshoes, clovers, and acorns pay more. Ruby symbols top the chart, with the best returns when you land five in a row. The swirl layout means positions matter. A symbol that looks modest at first can become pivotal as the spiral advances and cascades remove blockers.
The game revolves around two systems working together. First, the star wild generated by any win clears nearby tiles and can form new lines as it vanishes. Second, a frozen key starts at the bottom-left corner of every spin. Each collapse rotates symbols along the spiral, and if you keep wins flowing long enough for the key to reach the center, you trigger free spins. That same progression also collects keys that unlock higher-tier free spin modes across future triggers, so your choices build over time.
How to play Finn and the Swirly Spin slot
Set your stake, then watch the spiral populate from the outer rim toward the middle. Any three or more matching symbols that line up horizontally or vertically award a prize. Longer lines pay more, but clusters do not combine beyond a straight line, so aim to convert promising groups into clean rows or columns. When a line pays, a star wild appears and removes adjacent symbols as it disappears, refilling the board and creating fresh wins that can continue the chain.
This chain reaction is more than spectacle. It is how you move the key. Every win and symbol removal rotates the spiral one step. Clear the path in front of the key and it sweeps inward. Reach the keyhole at the center and you enter free spins. That same trigger also adds a key to your collection, which you use to unlock the more potent free spin worlds over time. If you prefer steadier progress, keep an eye on lines that open the route rather than chasing only the highest single-line value.
Example
Imagine a four-symbol horizontal line forms near the outer ring. The win spawns a star that clears the two symbols in front of the key, refilling the grid. The refill lines up a vertical trio that pays again, and the second star clears another blocker. Two cascades later, the path is open, the key advances, and a final line drops in to carry it to the center for a free spin round.
Free spins
There are four free spin opportunities available to players, each with a distinct modifier and feel. You can choose any world you have already unlocked, so you can tailor the volatility to your mood.
The Star Bar
This is the first free spin world you will encounter. You get seven free spins with two or more wild stars added to the reels automatically. The extra stars keep cascades alive and help push the key along, which makes this mode steady and forgiving for building balance and additional keys. It is a good default when you want frequent action and fewer dry spells while you collect more unlocks.
The Lava Lair
Unlocked with four keys, Lava Lair awards three free games. Normal wilds are replaced by sticky wilds that remain in place for the duration of the round, and the Dragon Destroy feature can randomly remove symbols to reshuffle the grid. Sticky wilds can anchor repeating wins, so even short streaks can add up when the board cooperates. Expect a punchier profile with fewer spins but stronger sequences when the stickies land well.
The Lucky Mug
Nine keys unlock Lucky Mug, which delivers four free games. Here, the Irish Luck feature is guaranteed to trigger, adding a complete line of matching symbols to the grid to create or extend a win. This mode excels at reliable line creation, making it a strong pick if you want more control over how the spiral resolves. It smooths out variance and often converts near misses into longer paying lines.
Golden Pot
Requiring 16 keys to unlock, Golden Pot is the most potent and volatile option. All heart and spade symbols transform into higher-value icons via the Magic Transform feature. By reducing low-paying blockers, the board is primed for longer cascades and bigger line wins, which suits players chasing peak payouts. This realm is best saved for sessions when you are comfortable with bigger swings.
Choosing your free spins realm
If you want a gentler ride and frequent cascades, start with Star Bar. When you have a few keys banked and want stronger bursts, try Lava Lair. Lucky Mug is the midway choice for predictable line creation, and Golden Pot is best when you are comfortable with swingier outcomes in exchange for the highest potential.
Tip
Free spins use your current stake. If your key is close to the center and the board looks primed, consider adjusting your bet before you spin to align the bonus with your preferred stake size.
Base game flow and features
Outside of free spins, Finn and the Swirly Spin leans on its exploding star wilds and the spiral refill to keep gameplay lively. Every resolved line creates room for new symbols, which can string two, three, or more wins together. Because the key advances only when the path in front of it clears, wins that occur beside or just ahead of the key are especially valuable. That makes reading the board important. Sometimes a smaller immediate line is worth taking if it opens the route and sets up a bigger chain on the refill. In the base game, star wilds are transient, so plan around their one-time clear rather than banking on persistence, which only appears in Lava Lair.
Pitfall
Do not over-chase the key at bet sizes that are outside your comfort zone. Progress comes in bursts, and forcing it can drain a session before a bonus arrives.
Payouts and symbol values
Symbol values scale with line length. Stone spades and wooden hearts pay the least, horseshoes, clovers, and acorns occupy the middle, and rubies lead the pack, with the top returns arriving when five rubies align. Since clusters do not merge into a single payout, aim to convert promising clusters into straight lines using cascades and star wild explosions. Many of the best outcomes come from sequences where a modest three-symbol line clears blockers, then a refill upgrades a later line to four or five for a meaningful jump in payout.
Mobile and usability
The 5×5 grid and swirl mechanic translate cleanly to phones and tablets. The visuals are crisp at smaller sizes, and the single-tap controls make it easy to follow the spiral and track the key’s progress. Sound and animation cues highlight when stars explode or the key moves, so you can comfortably play with audio on or off. Performance is smooth in modern browsers on both iOS and Android, and the square grid is friendly to both portrait and landscape play without sacrificing readability.
Related articles
Erik King
Editor in Chief - Zamsino.Casino
I always loved gambling and probably always will, spending my time reviewing gambling sites to help people save time.
ACMA | VGCCC | Gambling Help Online | BetStop | SHARC | SMART Recovery | Gambler's Help | GambleAware