Online slots are the biggest attractions in the casino world. They are easy to play, eye-catching and can offer huge payouts, even on a single spin. What’s more, in 2025, the choice has reached an all-time high, with thousands of games to choose from, from classic fruit machines to modern, multi-function video slots.
Many players discover exciting new games every year at CasinoLab, where online slots continue to be the most played category. To help you find your way around, here are five slots we think you should definitely try.
Book of Dead – The eternal classic
Developed by Play’n GO, Book of Dead is a true classic in the world of online casinos. The game is set in ancient Egypt and features adventurer Rich Wilde’s quest for treasure. The game features 5 reels, 10 paylines and a free spins feature where a randomly selected symbol becomes an expanding wild.
Book of Dead remains a top pick on Dragonslots, where fans of adventure-themed slots can enjoy high volatility and big wins. With its spectacular graphics and exciting gameplay, this slot has remained a favourite for many for years.
Gates of Olympus – Gift of the Gods
Gates of Olympus, a game by Pragmatic Play. It is a true world of amazing multipliers and divine bonuses. This 6×5 reel grid game is different from the traditional payline system since it awards prizes based on clusters.
The biggest draw of the game is the appearance and accumulation of multiple multipliers during the free spins up to 5,000 times your winnings! Dynamic gameplay and spectacular animations make it perfect for those looking for an exciting, action-packed game.
Big Bass Bonanza – The joy of fishing
If you love nature and a spinning game, Big Bass Bonanza is the only and best game for you! This slot was released by Relax Gaming and has been a hit ever since. The main character is a fisherman trying to catch valuable fish. During the free spins mode, the angler collects the cash fish and increases the multiplier every fourth hit. The game is simple, yet addictive, especially for those who like slots with a relaxed, fun theme.
Sweet Bonanza – Colourful, simple, fun
Sweet Bonanza is the queen of the candy universe. This Pragmatic Play game is full of bright colours, delicious fruits and exploding sweets. Operating on a 6×5 grid, the game doesn’t use any paylines – wins are provided by the scatter system and Tumble feature.
Random multipliers of up to 100 times can also appear during free spins. The game is extremely simple yet exciting, making it an ideal choice for beginners. If you enjoy vibrant visuals and rewarding features, you can easily find Sweet Bonanza at CasinoLab’s slot collection
Starburst – The master of clean style
Developed by NetEnt, Starburst has been one of the most popular slot machines for over a decade. Its secret lies in its simplicity with just 5 reels, 10 paylines and a single bonus feature – the Starburst Wild, which awards a re-spin and pays in two directions.
The visuals are futuristic, the pace of play is fast, and the wins come thick and fast. Beginners and experienced players alike will appreciate the solid experience it provides. Dragonslots is also a great place to try timeless games like Starburst, offering fast gameplay and sleek design.
How to choose a slot machine – and how to play responsibly.
Before you start playing anything, think about what type of game you’re looking for: action-packed, strategic, or more relaxing? Look at the game’s RTP (payback percentage), spread (volatility) and whether it has a bonus round or jackpot. Remember slots are all about fun.
Whichever type of slot you prefer, CasinoLab offers a safe and entertaining place to explore the top games of 2025. Set a budget, don’t chase losses, and take a break when necessary. Conscious play is more enjoyable and safer in the long run.