The best slots at PlayOJO for most new players start with Big Bass Bonanza, the game its 80 welcome spins are played on, and branch out into other titles from Pragmatic Play and NetEnt, the two studios reported in its lobby. This guide sorts well-known games by published RTP, explains why RTP alone won’t pick a winner, and shows how to confirm the figures inside PlayOJO.
Pragmatic Play and NetEnt are the studios reported in PlayOJO’s slot lobby; its app also lists jackpot slots.
Big Bass Bonanza (96.71% published) is the welcome-spins game and the start of a large slot family.
High published RTP helps over the long run, but volatility shapes what a short session feels like.
Some slots, such as Mega Joker, only reach their top RTP at certain stakes, so read the help screen.
Studios reported
Pragmatic Play and NetEnt
Welcome spins game
Big Bass Bonanza
Library
Thousands of games
Extras
OJOplus money back; jackpot slots
Operator
Skill On Net Limited, UKGC 39326
Best slots at PlayOJO: a returns-first shortlist
PlayOJO is a casino-only brand with a library of thousands of games, and the two studios most consistently reported there are Pragmatic Play and NetEnt. Between them they account for several of the UK’s best-known slots. This page uses published RTP, return to player, as the starting point for a shortlist, then explains what else to weigh before you choose.
As always, a casino’s lobby changes over time. Search each title by name to confirm it’s available, and treat the published RTPs below as the developer’s figures, not necessarily the version PlayOJO runs. For the site overall, see the PlayOJO slots review.
Big Bass Bonanza and the rest of the family
Big Bass Bonanza is where PlayOJO sends new players: the 80 welcome spins play on it. It’s a 10-payline fishing slot published at 96.71% with high volatility, where a fisherman wild collects cash values from fish symbols during free spins. Its success led to a long series, and if you enjoy the original, the follow-ups are worth searching for.
Bigger Bass Bonanza is made by Reel Kingdom and distributed by Pragmatic Play, which is why it often sits alongside Pragmatic’s own games in lobbies. The 1000 edition keeps the format but stretches the maximum win, which in practice means more of the return is held back for rare big outcomes.
High-RTP NetEnt and Pragmatic Play slots to search for
Beyond the Big Bass series, these well-known games from PlayOJO’s reported studios have strong published RTPs.
Blood Suckers stands out with a 98% published return and low volatility, which makes it unusually gentle. Dead or Alive 2 sits at the other extreme: a similar RTP band to the Big Bass games but a maximum win of 111,111 times the stake, so most of its return comes from very rare outcomes.
Why the highest RTP isn’t automatically the best slot
RTP is a long-run average over millions of spins. Over a single evening, volatility has far more influence on what happens to your balance. Here’s the arithmetic for 100 spins at 50p, £50 staked in total.
Blood Suckers at 98.00%: average return £49.00, average cost £1.00.
Dead or Alive 2 at 96.82%: average return £48.41, average cost £1.59.
Starburst at 96.09%: average return £48.05, average cost £1.95.
The gap in average cost is under £1. The gap in experience is huge: low-volatility games tend to keep your balance near its starting point, while a high-volatility game can finish the session well down or occasionally well up. Choose the experience you want first, then prefer the higher-RTP option within that style. Our volatility guide explains the patterns in depth.
Mega Joker and slots whose RTP depends on how you play
Some slots don’t have one RTP. NetEnt’s Mega Joker is the classic example: it’s published at up to 99%, but that figure applies at the top stake with its Supermeter mode in use. Play differently and the return is lower. Other games have optional modes or stake-linked features that change the figure too.
The lesson for any lobby, PlayOJO included, is to read the help screen at the stake you actually intend to play. A headline number quoted on a review site may assume a way of playing that doesn’t suit you or that UK stake limits rule out.
OJOplus and what a slot session really costs
PlayOJO describes OJOplus as money back on every game played, with no wagering attached. It doesn’t change a slot’s RTP; the game’s maths is set by the developer and the version the casino chooses. What OJOplus does is return a small slice of your stakes on top. That slightly reduces the average cost of play but doesn’t remove the house edge, so slots still return less than you stake over time. Check PlayOJO’s own pages for the current rates.
Jackpot slots at PlayOJO
PlayOJO’s app listing includes jackpot slots alongside its standard games. With NetEnt among the reported studios, its progressive titles are worth searching for: Mega Fortune (about 96%–96.6% including jackpots), Divine Fortune (96.59%) and Hall of Gods (about 95.5% including jackpots). Where RTP includes the jackpot, ordinary play returns less than the headline. Our PlayOJO jackpot slots page explains how these jackpots trigger.
How to find these slots at PlayOJO
Log in on the website or the PlayOJO app (listed as PlayOJO Real Money Casino on the UK App Store).
Open the slots section and use the search box. Short terms like “Bass” bring up the whole series.
Use any studio or category filters to browse NetEnt or Pragmatic Play games, or jackpot slots.
Open a game and tap its info or help icon before playing.
Note the RTP shown, and compare it with the published figure in the tables above.
Set your stake. The legal maximum is £5 a spin, or £2 if you’re aged 18 to 24.
Confirming the RTP PlayOJO runs
Developers usually release several RTP versions of a game, for example 96.71%, 95.67% and 94.62% for Bigger Bass Bonanza. The casino picks one. On £100 of stakes, the gap between the top and bottom of that range is about £2.09 of average return. It won’t change one session much, but it adds up over months of play. The PlayOJO slots RTP page explains where to find the figure and what the different wordings mean.
PlayOJO’s lobby for slot players: strengths and limits
Advantages
Welcome spins winnings paid in cash with no wagering
OJOplus money back on play, with no wagering
Pragmatic Play and NetEnt games, including many well-known titles
Jackpot slots listed in the app
Drawbacks
All 80 welcome spins are on one game
Payment methods and payout times aren’t verified in our sources: check the cashier
As with any casino, the RTP version may be lower than the published maximum
Playing the best slots at PlayOJO
PlayOJO suits slot players who like the Big Bass series, value high-RTP classics from NetEnt and Pragmatic Play, and dislike wagering. New UK customers get 80 free spins on Big Bass Bonanza at 10p each with a first deposit of £10 or more, with winnings paid in cash; 18+, Northern Ireland excluded, terms apply. Coral and Casumo, shown below, let you choose your own game for qualifying play or bonus money.
PlayOJO’s 80 welcome spins play on Big Bass Bonanza with no wagering. Coral and Casumo suit players who’d like to choose the game themselves. 18+, terms apply.
Significant terms: 18+. New UK customers (excluding Northern Ireland). First deposit only. Minimum deposit £10. 80 free spins on Big Bass Bonanza, £0.10 each. No wagering requirements; winnings paid in cash. Cannot be used with any other offer. Only available to players who arrive through the designated offer link. Full T&Cs apply. GamCare.org.uk
Read the PlayOJO reviewLicence: Skill On Net Limited, UKGC account 39326. Offer checked 5 October 2026.
Significant terms: 18+. New players only. Offer runs 01/10/2026 to 01/02/2027. Deposit (certain types excluded) and bet £10+ on slot games to get 100 free spins (selected games, £0.10 each, 48 hrs to accept, valid 7 days). No wagering on free spin winnings. Deposits by Neteller, PayPal, Paysafe, Skrill, prepaid cards and certain debit cards do not qualify. Restrictions and T&Cs apply. GamCare.org.uk
Read the Coral reviewLicence: LC International Limited, UKGC account 54743. Offer checked 5 October 2026.
Significant terms: 18+. New customers only. Opt-in required. 50% deposit bonus up to £100 on first deposit. Minimum deposit £20. 10x wagering on the bonus amount. Maximum bet or spin £5. Bonus valid for 7 days. Game, play and payment method restrictions apply. Full T&Cs apply. GamCare.org.uk
Read the Casumo reviewLicence: Recro Limited, UKGC account 61549. Offer checked 5 October 2026.
18+. Gambling should be entertainment that costs money, not a way to make it. Set a deposit limit before you play: how to set limits. Free, confidential help: National Gambling Helpline 0808 8020 133.
Frequently asked questions
What are the best slots at PlayOJO?
For most new players, Big Bass Bonanza is the obvious start because PlayOJO’s welcome spins are played on it. Beyond that, well-known titles from the reported studios include Blood Suckers and Starburst for low volatility, Twin Spin for a middle ground, and Dead or Alive 2 or Big Bass Splash for high-volatility play. Search each by name and check the RTP in its info screen. Our how to choose a slot page helps you match a game to your style.
Which slot has the highest RTP at PlayOJO?
Of the well-known games from PlayOJO’s reported studios, NetEnt’s Blood Suckers has one of the highest published RTPs at 98.00%, and Mega Joker is published at up to 99% when played at its top stake with the Supermeter mode. PlayOJO may run different versions, so open each game’s help screen to see the live figure. Even then, RTP describes the long run, not a single session. Our highest RTP slot answer goes into more detail.
Why does PlayOJO use Big Bass Bonanza for its welcome spins?
PlayOJO hasn’t published a reason, but Big Bass Bonanza is one of the most widely played slots in the UK, which makes it a familiar choice for new customers. It’s a high-volatility Pragmatic Play game published at 96.71% with a 2,100x maximum win. The 80 spins are worth 10p each, so £8 of play, and winnings are paid in cash. 18+, terms apply. See free spins on Big Bass Bonanza for how other offers use it.
Does PlayOJO have NetEnt slots?
NetEnt is one of the two studios consistently reported in PlayOJO’s lobby, alongside Pragmatic Play. That makes NetEnt classics such as Starburst, Blood Suckers, Twin Spin and Dead or Alive 2 worth searching for, as well as its progressive jackpot games. Lobbies change, so search the title to confirm it’s live before planning a session around it. Our NetEnt slots page profiles the studio and its best-known games.
Does OJOplus change a slot’s RTP?
No. A slot’s RTP is set by its maths model and the version the casino runs. OJOplus, which PlayOJO describes as money back on every game played, is separate: it returns a small amount on top of whatever the game pays. That reduces the average cost of play slightly, but slots still return less than you stake over time. Check PlayOJO’s own pages for the current OJOplus rates. Our slot RTP vs casino payout guide explains the difference.
Are there jackpot slots at PlayOJO?
Yes. PlayOJO’s app listing includes jackpot slots, and with NetEnt among its reported studios, progressive titles like Mega Fortune, Divine Fortune and Hall of Gods are worth searching for. Their published RTPs include the jackpot contribution, so ordinary spins return less than the headline. Jackpot wins are extremely rare, so set a budget as you would for any slot. Our progressive jackpots guide explains how the pools build and pay.
Is Big Bass Bonanza Megaways better than the original?
Not better, just different. The Megaways version is published at 96.7% with very high volatility and up to 46,656 ways, while the original is 96.71%, high volatility and 10 paylines. The Megaways edition has a higher 4,000x maximum win but tends to be swingier from spin to spin. If you enjoy the original’s pace, it may suit you more. Our answer on whether Megaways slots are better looks at the trade-offs.
Can I play PlayOJO slots for free first?
Where a demo version is available, UK rules mean you must verify your age before playing it, which has applied since 2019. Demo games run the same maths as the real versions, so they’re useful for seeing how often features land. They don’t pay real money. Our page on slot demos explains how demo modes work at UK slot sites and what they can and can’t tell you.
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