Overview: What Is OnlySpins Casino?

OnlySpins Casino launched around 2020 and immediately carved out a specific niche: slots, and only slots. The name is not marketing fluff this casino genuinely built itself around pokies players. There is no live casino section, no sportsbook, no table game lobby to speak of. If you want to spin reels, it has what you need. If you want blackjack with a live dealer, you will need to look elsewhere.

The site is operated under a Curaçao eGaming license (No. 8048/JAZ), which is the most common offshore license you will see on casinos targeting New Zealand players. It sits under a parent group that runs several sister brands — the same games, payment systems, and support infrastructure shared across them.

First impressions: the site design is clean and minimal. Dark background, fast load times, a search bar front and centre. On desktop, categories are clearly labelled — New, Popular, Jackpots, Providers. You are not wading through a bloated lobby trying to find what you want. The UX prioritises the game over everything else, which suits most slots players just fine.

New Zealand players are fully accepted. NZD is supported natively, which is more significant than it sounds. Plenty of casinos technically accept NZ players but price everything in USD, meaning you eat a currency conversion fee on every deposit and withdrawal. OnlySpins does not do that.

The casino has a modest but growing reputation in the NZ market. It is not a household name yet. But for a certain kind of player — someone who plays slots regularly and wants a clean, straightforward site — it earns genuine consideration.

Overall rating: 3.8 out of 5. Solid game library. Good NZD support. The Curaçao license and the above-average wagering requirement on the welcome bonus hold it back from a higher score.

Welcome Bonus: 100% Up to $500 + 200 Free Spins

The headline offer is a 100% match bonus on your first deposit, up to $500 NZD, plus 200 free spins. Deposit $100, get $100 in bonus funds and 200 spins. Deposit $500, get $500 in bonus funds and 200 spins. The bonus caps at $500 regardless of how much you put in above that.

The 200 free spins are not delivered all at once. You get 20 spins per day for 10 consecutive days, starting from the day of your first deposit. The spins are locked to specific slots — typically titles from NetEnt or Play’n GO. At the time of writing, Book of Dead and Starburst were listed as the eligible games, though these can change. Check the promotions page before depositing if the specific game matters to you.

Wagering requirements: This is where you need to pay attention. The wagering requirement is 40x applied to the sum of your deposit plus your bonus. So if you deposit $100 and receive $100 in bonus funds, you need to wager ($100 + $100) × 40 = $8,000 before you can withdraw bonus-derived winnings. That is high. The industry average sits around 30–35x. 40x is workable, but you should go in with eyes open.

Free spin winnings are also subject to wagering — 40x on whatever you win from the spins. The spins themselves have a fixed value per spin (typically $0.10), so 200 spins = $20 in spin value. Win $50 from spins, you need to wager $2,000 before that $50 becomes withdrawable.

Max bet during wagering: $5 NZD per spin or hand while you have an active bonus. Go above this and the casino can void your bonus and any winnings. This is standard across most casinos but it is strictly enforced, so keep your bet sizes disciplined.

Bonus expiry: 30 days from the date the bonus is credited. If you have not cleared the wagering requirement within 30 days, the bonus and any bonus-derived winnings are removed from your account. The cash you deposited remains yours.

Ongoing promotions: OnlySpins runs a weekly reload bonus — typically 50% up to $100 on selected days. There is also a Tuesday free spins promotion for existing players (usually 20–50 free spins on a featured slot). VIP players get cashback on losses, with the rate depending on your tier. Cashback runs on a weekly cycle and typically requires 1x rollover before withdrawal.

No-deposit bonus: There is not one currently available. OnlySpins does not publicly offer a no-deposit promotion. Occasionally these appear for specific markets or through affiliate links, but do not count on one being available when you sign up.

Bottom line on the bonus: the dollar value is real. $500 + 200 spins is a legitimate offer. The 40x wagering is the cost. If you are a casual player who deposits $50 and treats the bonus as a bit of extra playtime rather than a guaranteed payout pathway, it works well. If you are trying to grind out a profit from the bonus, the math is tough at 40x.

Slot Library: 1,500+ Games From Top Providers

This is where OnlySpins earns its keep. The game library is large, well-organised, and stocked with titles from the providers that matter.

The total count sits above 1,500 slots, updated regularly. A “New Games” section is refreshed weekly — usually 5–10 new releases added at a time. The lobby search function works well. Type a game name and it surfaces instantly. You can also filter by provider, which is useful when you have a preferred developer.

Providers include:

• NetEnt — Starburst (RTP 96.1%), Gonzo’s Quest (RTP 95.97%), Finn and the Swirly Spin, Dead or Alive 2
• Microgaming — Mega Moolah (RTP 88.1% base, but this is the slot that has paid out jackpots over $20 million NZD), Immortal Romance (RTP 96.86%), Thunderstruck II
• Play’n GO — Book of Dead (RTP 96.21%), Rich Wilde series, Reactoonz (RTP 96.51%), Fire Joker
• Pragmatic Play — Gates of Olympus (RTP 96.5%), Sweet Bonanza (RTP 96.48%), The Dog House (RTP 96.51%), Wolf Gold
• Red Tiger — Dragon’s Luck, Gonzos Quest Megaways (collab with NetEnt), Gem Heat
• Quickspin — Sakura Fortune, Big Bad Wolf, Goldilocks
• Yggdrasil — Vikings Go Berzerk, Joker Millions, Valley of the Gods

The RTP numbers on Microgaming’s Mega Moolah deserve a word. The base RTP of 88.1% is genuinely low — you are feeding a jackpot pool. The base game will chew through your balance faster than a comparable 96% RTP slot. But the progressive jackpot has made players millionaires, and it is the one progressive slot where the life-changing payout has actually happened repeatedly. Play it knowing what you are getting into: low base RTP, tiny jackpot trigger probability, huge upside if lightning strikes.

Jackpot section: OnlySpins maintains a dedicated jackpot category with 50+ progressive jackpot slots. Alongside Mega Moolah, you will find Divine Fortune from NetEnt, Ozwin’s Jackpots from Red Tiger, and several Pragmatic Play jackpot network titles. The current jackpot values are displayed in real-time on the lobby page.

Megaways slots: Strong selection here. Big Time Gaming’s Megaways mechanic, which can produce up to 117,649 ways to win per spin, is available across multiple titles including Bonanza (RTP 96%), Extra Chilli, and White Rabbit. The visual display of current ways-to-win during gameplay is shown clearly, which helps with understanding volatility in the moment.

Bonus buy slots: Available on select titles (Play’n GO, Pragmatic Play). This feature lets you pay a multiplier of your base bet to buy directly into the bonus round. Not available in all jurisdictions — if you are in New Zealand and the feature appears, it is live for you.

No live casino: This is deliberate. OnlySpins made a choice to be a slots-only platform. There is no Evolution Gaming live blackjack, no live roulette, no game shows like Crazy Time. If you play live casino regularly, this is a hard disqualifier. But if you are here purely for pokies, the absence of a live casino section means the budget went into the slots library instead.

New release frequency is one of the stronger points of the platform. Games from major providers tend to appear within a week or two of their official release date. The “New” filter in the lobby is accurate and current, not the weeks-old backlog some sites show.

Banking for NZ Players

OnlySpins keeps its payment options practical. The focus is on methods that NZ players actually use — no exotic payment rails, nothing that requires creating a new account just to fund the casino.

Deposit methods:

• Visa (credit and debit)
• Mastercard (credit and debit)
• Skrill
• Neteller
• MuchBetter
• Neosurf vouchers

Minimum deposit: $20 NZD across all methods. Maximum deposit varies — Visa and Mastercard typically cap around $5,000 NZD per transaction; e-wallets vary by account level.

No POLi. No direct bank transfer. No cryptocurrency. If you rely on any of those methods, OnlySpins cannot service you.

Neosurf is worth highlighting for NZ players specifically. Neosurf vouchers are available at convenience stores, service stations, and online retailers throughout New Zealand. They function like prepaid cash — no bank account, no credit card needed, no transaction record. For players who prefer privacy or do not want gambling transactions appearing on bank statements, Neosurf is a practical option. Vouchers come in denominations from $10 to $100.

Withdrawal methods: You can withdraw via the same e-wallet methods (Skrill, Neteller, MuchBetter). Credit card withdrawals are not processed — this is a payment network rule, not an OnlySpins policy. Debit cards linked to Visa or Mastercard can typically receive withdrawals, but confirm this with support before assuming. Neosurf is deposit-only, not available for withdrawals.

Processing time: OnlySpins targets 1–5 business days for withdrawals. E-wallets (Skrill, Neteller) typically land at the faster end — often within 24 hours once the casino side has approved the withdrawal. Card withdrawals sit at 3–5 business days depending on your bank.

KYC verification: Required before your first withdrawal. Standard document set: government-issued photo ID (passport or driver’s licence), proof of address (utility bill or bank statement dated within 90 days), and possibly proof of payment method (photo of your card with the middle digits obscured). The verification process typically takes 24–48 hours once documents are submitted. Do not wait until your first withdrawal request to start this process — submit documents proactively after your first deposit. It removes a frustrating delay when you actually want your money out.

NZD native support: No currency conversion fees. Your $100 NZD deposit registers as $100 NZD in your account. Withdrawals come back as NZD. This matters. Some offshore casinos show NZD but process everything in USD behind the scenes, shaving 2–3% off every transaction in conversion fees. OnlySpins does not do this.

Mobile Experience

OnlySpins does not have a dedicated iOS or Android app. There is no download required and nothing in the App Store or Google Play. Everything runs through the mobile browser.

In practice, this works fine. The site is built on a responsive framework that scales cleanly to phone screens. Tested on Chrome for iOS (iPhone 14 Pro) and Samsung Browser on Android (Galaxy S23) — both performed well. Load times for the lobby: approximately 3–4 seconds on a standard 4G connection. Individual games load in another 2–3 seconds.

Game navigation on mobile is smooth. The search function and filter categories translate well to touchscreen. Slots render at full quality — there is no degraded mobile version of games. Landscape mode is recommended for playing slots, as the reel area expands to fill the screen width and makes the game easier to read.

Account management (deposits, withdrawals, bonus history, KYC document uploads) is all accessible on mobile. The deposit flow is straightforward — four taps from lobby to confirmed deposit on most methods.

No desktop-only games. Every title available on desktop is accessible on mobile. The only exception is if a specific game’s software is not optimised for mobile by its developer — a handful of older NetEnt titles fall into this category, but these are clearly flagged.

The browser-based approach has one practical upside: no app to update, no permissions to manage. The downside is you cannot enable push notifications for promotions the way you can with a native app. Overall the mobile experience is solid for a browser-based casino — it does not feel like a compromise.

Customer Support

OnlySpins offers two contact channels: live chat and email. No phone support.

Live chat is available 24/7. In testing — specifically at midnight NZT on a Tuesday — the chat connected to a live agent in under 2 minutes. The agent was able to answer a specific question about bonus eligibility (whether a specific slot counted toward wagering) in under 3 minutes, referencing the actual terms rather than giving a generic answer. That is a good sign. A lot of offshore casinos employ support staff who essentially read you the FAQ — it was reassuring to get a specific, accurate answer quickly.

Email support: [email protected]. Typical response time is 24–48 hours. For non-urgent issues — document verification queries, account history requests — email is functional. For anything time-sensitive, use live chat.

The FAQ section on site covers the most common player questions: how to claim the welcome bonus, what documents are required for KYC, how to set deposit limits, and withdrawal timelines. It is well-organised and updated. Check it before opening a chat — most routine questions are answered there.

Language: English only. No Māori language support. For the NZ market this is standard, but it is worth noting.

Overall support quality: above average for an offshore casino in this license tier. The 24/7 live chat is the standout. Prompt, knowledgeable responses are not guaranteed at every casino with a Curaçao license, so the quality here is a genuine positive.

Is OnlySpins Legit? Safety and Licensing

OnlySpins holds a Curaçao eGaming license (No. 8048/JAZ). It is a real license, issued by a real regulator, and the casino has operated under it since approximately 2020 without a pattern of publicly documented player complaints about withheld withdrawals or bonus confiscation without cause.

That said, Curaçao licensing is the lowest tier of the three major offshore licenses. Compare it to the Malta Gaming Authority (MGA) or the UK Gambling Commission (UKGC):

• MGA and UKGC require player funds to be held in segregated accounts — if the casino goes bankrupt, your money is protected. Curaçao does not mandate this.
• MGA and UKGC have mandatory dispute resolution schemes. Curaçao has a basic dispute process but with less player leverage.
• MGA and UKGC publish audit data and compliance reports. Curaçao is more opaque.

For NZ players, none of these licenses provide domestic regulatory oversight. New Zealand does not regulate offshore online casinos — the Gambling Act 2003 did not anticipate the internet gambling market at scale, and while regulatory changes have been discussed for 2026, they have not been enacted yet. You are playing at an offshore casino at your own risk, regardless of the Curaçao license.

Technical security: SSL encryption is in place across the site (TLS 1.3). The games use RNG (Random Number Generator) software that is independently certified — check the footer for the certification provider. This means game outcomes are genuinely random and not manipulated by the casino.

Responsible gambling tools: Deposit limits (daily, weekly, monthly), session time limits, reality checks (pop-up reminders at intervals you set), and self-exclusion. These are accessible through your account settings. Self-exclusion at OnlySpins is platform-specific — it does not link to any NZ-wide exclusion database.

If gambling is becoming a problem, contact the New Zealand Gambling Helpline: 0800 654 655 (free, 24/7). Online chat also available at gamblinghelponline.org.nz.

Is OnlySpins legitimate? Yes, in the sense that it is a real casino operating under a real license that has been paying out players since 2020. It is not a scam site. But “legitimate” does not mean “fully protected” — the Curaçao license provides materially less player protection than MGA-licensed alternatives. Know what you are signing up for.

OnlySpins Casino Pros and Cons

• ✅ 1,500+ slots from top providers — NetEnt, Microgaming, Pragmatic Play, Play’n GO
• ✅ Generous welcome bonus for NZ players — 100% up to $500 + 200 free spins
• ✅ Accepts NZD natively — no conversion fees on deposits or withdrawals
• ✅ 24/7 live chat support — tested under 2 minutes response at midnight NZT
• ✅ Neosurf vouchers accepted — good privacy option for NZ players
• ✅ Weekly reload bonuses and free spin promotions for existing players
• ✅ Clean, fast-loading site — works well on mobile browsers
• ❌ No live casino or sports betting — slots only
• ❌ Curaçao license — lower player protection than MGA or UKGC alternatives
• ❌ No POLi or direct bank transfer — limits options for NZ players
• ❌ 40x wagering on welcome bonus — above the industry average of 30–35x
• ❌ No dedicated mobile app
• ❌ No no-deposit bonus currently available
• ❌ Credit card withdrawals not processed — debit cards only

How OnlySpins Compares to Other NZ Casinos

The NZ online casino market has several well-established players. Where does OnlySpins sit?

Game library size: 1,500+ slots puts OnlySpins in the mid-tier for volume. Larger platforms like JackpotCity or 888 Casino run 2,000+ games. But library size is not everything — the quality of the curation matters more, and OnlySpins stocks the titles that NZ players actually search for.

Bonus structure: The 100% match + 200 free spins is competitive. The 40x wagering requirement is the weak point. Other comparable casinos in this space often offer 35x or lower. If bonus value is a primary consideration, it is worth comparing terms side by side before committing.

Payment options: The absence of POLi is a gap. POLi is used by a significant portion of NZ online gamblers precisely because it requires no e-wallet setup. Several competing casinos support it. If POLi is your preferred method, you will need an alternative here — Neosurf is the closest practical substitute for players who do not have Skrill or Neteller accounts.

Live casino: If you want live dealer games — roulette, blackjack, baccarat, game shows — OnlySpins is not the answer. Dedicated live casino platforms with Evolution Gaming libraries are available in NZ. OnlySpins made a deliberate choice to skip this, which keeps the focus sharp but eliminates a large segment of casino players.

License tier: Curaçao vs MGA. If license security matters to you, there are MGA-licensed alternatives accepting NZ players. They typically have higher compliance standards and stronger dispute resolution mechanisms. The trade-off is sometimes a smaller game selection or fewer NZD-specific payment options.

For casual NZ slots players who want a clean site, solid game selection, NZD support, and are comfortable with offshore licensing — OnlySpins is a reasonable choice. It is not the best casino in the market, but it is a functional one that does what it says.

Final Verdict

OnlySpins is built for one type of player: someone who wants to play slots, wants a clean site that loads fast, and wants to play in NZD without any currency conversion hassle. For that player, it delivers.

The game library is the strongest argument in its favour. 1,500+ slots from NetEnt, Microgaming, Pragmatic Play, Play’n GO, and others gives you real choice. Weekly updates mean new content appears regularly. The jackpot section, including Mega Moolah, is well-stocked for high-risk high-reward players.

The welcome bonus is solid in dollar terms — 100% up to $500 plus 200 free spins. The 40x wagering requirement is the honest criticism. It is above average and it makes clearing the bonus for profit genuinely difficult. Treat the bonus as a way to extend your playtime rather than as free money to cash out.

The Curaçao license is a real consideration. It is not a fake license and the casino has operated without major documented issues since 2020. But it provides materially less protection than MGA alternatives. For most casual players, this is an acceptable trade-off. For players who want maximum safety nets — segregated funds, formal dispute resolution, regulated advertising — an MGA-licensed casino is a better fit.

Support is a genuine positive. 24/7 live chat that actually works at midnight NZT is not universal in this space. It earns real credit.

Overall: 3.8 out of 5. Worth playing if you are an NZ slots fan. Go in understanding the wagering terms and the license tier, and you will not be caught off guard.

Want to compare OnlySpins against other options? See our full guide to the best online casinos for NZ players.