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The reels are stacked with new opportunities — from big-win mechanics to bonus-rich free spin rounds. Lucky Cow Bingo Casino is featuring a strong lineup from market-leading studios and a welcome package that can deliver hundreds of free spins if you act fast. Play options, secure payments and responsive support make it simple to jump in and chase major payouts across a range of themes and volatility levels.

Massive welcome free spins on Big Bass Splash — limited window

Lucky Cow’s headline welcome bonus hands new UK players up to 500 free spins on Big Bass Splash when you meet the £10 minimum deposit and opt in on your first deposit. Winnings from those spins carry a 65x wagering requirement and must be used within 7 days; maximum cashout rules apply (up to £250, tied to lifetime deposits). This is a high-volume free-spin push that rewards players who like long bonus sessions — claim quickly while the offer is active at Lucky Cow Bingo Casino.

Infective Wild — Pragmatic Play’s spooky combo engine

Infective Wild is a 5-reel, 40-payline video slot that pairs horror motifs with a range of bonus triggers. Expect iconic symbols like the Black Cat, Raven and Jack o’ Lantern, plus a Coin scatter that fuels the Free Spins Feature. The game offers an Infective Wild Feature and the option to Buy Free Spins for players who prefer instant action. Coin sizes range from £0.01 up to £0.60 and you can wager up to £240 per spin, making it suitable for both cautious and high-stakes players. Read the full breakdown on Infective Wild Slots.

Koi Princess — NetEnt’s colorful payouts and stacked bonuses

Koi Princess delivers an East-themed visual feast across 5 reels and 20 paylines, backed by NetEnt’s polished mechanics. The slot includes 10 free spins, Wild Reels and a host of bonus rounds — from a Bonus Wheel to several random wild features that keep combos alive. Coin sizes start as low as £0.01 and go up to £1 with a max bet near £200, so the game fits many bankrolls. For strategy tips and feature details, see the full Koi Princess review.

Bounty Belles — iSoftBet’s avalanche-style Wild West

If you favor large-line wins and cinematic presentation, Bounty Belles ramps things up with up to 1,125 paylines, up to 15 free spins, and bounty-themed bonus modes like Deadman's Draw and Wild Bounty. Bets are flexible (from £0.01 coin sizes upward, max bet £20), and the Sheriff’s Badge scatter is the key to landing the Free Spins Feature. The game's accessible volatility and layered bonuses make it a strong pick for players chasing sustained momentum. Explore more in the Bounty Belles review.

Book of Cai Shen — classic book mechanics and Ultra Bet options

Book of Cai Shen is a five-reel, 10-payline title from iSoftBet that leans on familiar Golden Book mechanics: collect the Book scatter to trigger 10 free spins and pursue expanding symbols with the Golden Book Feature. The Ultra Bet feature offers increased volatility and bigger win potential for players willing to up the stake, with max bets capped at £10. This is a solid choice for players who like clear bonus rules with heritage-style slot action. Full details are available in the Book of Cai Shen review.

Bonus landscape and play rules — what to watch

Lucky Cow supports a range of deposit methods (Maestro, MasterCard, Neteller, PayPal, PaySafeCard, Skrill and Visa) and operates in GBP for UK players. New-player options include a No Deposit Welcome Offer (£10 free bonus + 20 free bingo tickets + 10–20 free spins) with 35x bingo and 45x slots wagering; the standard welcome deposit offer (up to 500 free spins on Big Bass Splash) requires a £10 minimum and carries 65x wagering on winnings. Ongoing promos such as cashback, reloads and opt-in free spins are available for active accounts; most promotional winnings come with ~30x wagering and a 7-day validity window. Note: Skrill/Neteller deposits are often excluded from bonus eligibility and KYC verification is required before withdrawals. Always check the full terms for max cashout limits and game contribution rates before playing.

Ready to spin? Timing matters

With several time-limited promos stacked against a strong roster of titles from Pragmatic Play, NetEnt and iSoftBet, now is a prime moment to test new strategies or chase large free-spin sessions. Whether you prefer mystery-themed wilds, oriental designs or Wild West shootouts, these slots deliver varied volatility, engaging bonus mechanics and clear paths to big wins. If you decide to try any of the games or bonuses, make sure you meet minimum deposit and opt-in requirements, complete verification promptly, and monitor the 7-day validity on most offers so you don’t miss out.