There are many online slots with interesting bonus games both on additional screens, and on the reels of slot machines. We choose the most interesting bonus games to publish their reviews on SlotsBook.
Some slots players search bonus games on the reels, but probably you search bonus games on the second screen. Our review of bonus game is the description of process of bonus game and view the large screenshot of this bonus game.
Now look the list of available reviews below. Choose to read.
arcade
- Hit three or more Camera symbols and you will be in one step from photohunting. It's Wild Safari bonus game on the second screen which will give you an additional win in bonus coins.
cashback
collapsing reels
- Power Spins feature on Nuclear 9's slot has Rolling Reels feature where winning symbols will be replaced to make new combinations.
- This Collapsing Reels feature creates new combinations during play on The Mummy Slot, exploding symbols in winning combinations explosions.
dice board
expanding wild
- Hit an egg symbol on reels 1 or 2 or 3 to activate Expanding Wild Feature.
- Expanding Wild appears on reels to increase your wins!
- During play on Wild Safari iSlot you will see as wild symbol expand on the entire reel.
extra bet
- Power Spins on Atomic 8's slot can be played only with extra bet. During power spins feature the wins pay combinations left-to-right and right-to-left.
extra scatter
- Activate a scatter symbol to Extra Scatter during Scorpion Scatter feature to win more on a new PlayTech slot game.
extra wild
free spins
- Starring team Tim Karat, Lisa Lode and Fool's Gold wait you in Goldenman slot game, where you can win 15 free spins.
- Player is awarded 10 free spins on Jekyll and Hyde slot if you hit 3 scatter symbols.
- You can win up to 75 free spins on Wild Safari slot game.
- Stacked, Expanding and Traling wild symbols are additional feature during 25 free spins on Santa's Wild Ride slot. Also all wins are doubled during this game.
- 15 free spins is a bonus feature on Dark City Slot
- Win fifteen free spins in the Free Spins bonus game. All wins during the free spins are doubled.
- You can win 8 free spins if you collect four bananas to the reel's basket in Banana Monkey Slots.
free spins + sticky wild
- It's unique bonus game which offers five free spins plus additional 'super spin' with sticky wild symbols.
gamble
- Double-Up Game is a gamble game on Hot Tequila Slot. Try it!
- Double your wins in Double-Up Game.
- If you win on regular spins in Banana Monkey Slots, you receive chance to increase this winning in Gamble.
- Pick red or black to double your win in Gamble feature.
- Any win activates gamble game in Frankie Dettori's Magic Seven Slots. Pick a higher card to increase your winning.
- Choose red or black to double a prize.
- Increase your win up to $1,000 in Camble.
- Click red or black to increase your win.
- Select correct color or suit in gamble on Bearly Fishing slots.
hold
lotto
lotto progressive sidegame
match multiplier
multilevel
multilevel pick a box
- We invite you to tea party to increase your wins! It's multi-level bonus game on Alaxe in Zombieland online slot.
- Hit three magnifier on It's a Mystery Slots to win Portrait Puzzle Feature
multilevel pick until collect
multilevel pick until pop
- Pick a chocolate to win coins!
- It's a main bonus feature on the Mummy Slot. It's triggered randomly and activate other bonus features. Also you can win cash during Lost City Adventure Bonus.
- 2,400 coins is possible prize in bonus game. Play three levels to win it. If you find a POP symbol the game over.
multilevel pick until stop
- Red Queens is a prize of the last level on Red Queens Adventure Feature. It's not simple to win! The big good luck is necessary.
- Shoot the blue spiders to win up to 40 free spins. Shoot the orange spiders to win multiplier value up to 6x. Shoot the big spider and door cranks to win bonus amount up to 9000 coins. You will find all this in Arctic Fortune Bonus Game.
multilevel pick X of Y
multilevel wheel of fortune
nudge
paid respin
pick a box
- Pick a dolphin to win up to 800,000 coins in the Wild Dolphin bonus round.
- Increase your line bet in 3000 times during Super Hammer bonus game.
- Choose voltage meters to electric shock in the Electrifying bonus game.
- Pick from one up to three bonus symbols (Uncle Sam's top hat) to win up to 47 500 coins in Hat Bonus Game.
- Everyone honey pot which will be found by a bear on a tree, gives you a prize in Honey Bonus.
- See videos from the movie as Rocky Balboa 'The Italian Stallion' battles vs opponent on a ring to win cash in each round for you.
- Find Aladdin's Lamp to win bonus prize in coins.
- Pick gifts to win Christmas cash prize.
- Choose black or white rabbit to win bonus prize.
- Three briefcases give you bonus prize in cash.
pick a box - free spins
- Pick a winning horse to win free spins.
- Choose the Cabaret dancer to win free spins feature.
- free spins (up to 25) + random multiplier value (up to 4x) + wild symbols (up to 3) = your possible win up to 80,000 coins in Monkey King bonus game.
- Pick one of the eight wonders of the world to win free spins.
- Pick a gold mine to win up to 25 free spins.
pick until collect
pick until match bonus
pick until pop
- Pick gravestones to win more coins on Alaxe in Zombieland Slot. Gravestones Feature is 'pick until pop' style game.
- To win more in Jazz Jam Session Bonus Round the instruments must play a tune in harmony.
- Click on alien eggs to collect your cash prize. When you hit 'headjumper' evil alien, the bonus game is over.
- Win all seven trophy plus prize in cash on Magic Seven Bonus.
- Win free spins + cash prize + progressive jackpot on Pick a Plate Bonus Feature.
- Samurai vs ninjas. Hit the ninja in bonus game of Silent Samurai online slots to win up to 27 free spins.
pick until stop
- Click 'left' or 'jump' or 'right' buttons to move the snowboarder in Board Babe Bonus Round.
pick x of y
- Pick a treat to dunk in chocolate and win coins.
- Find the Birdie with Birdwatcher to win coins in bonus game on the second screen.
- The superhero the Goldenman battles against an enemy squadron. Each brought down plane gives you a prize during pick x of y bonus.
plinko
respin
respins + sticky wild
scatter
- Hit three bonus symbols on screen to trigger Cool Jazz Money Scatter Bonus. It will be played on the reels only.
scratch and match
- The clothing disappears from the beautiful sexy alien and you win up to 12,000 coins in the Sneak-a-Peek Bonus Game.
slot game
- Win up to 25 free spins on bonus game.
stacked wild
sticky wild
stop and win
wheel of fortune
- This game offers four-level progressive jackpot: Mithril Progressive, Gold Progressive, Silver Progressive, Bronze Progressive. Spin a wheel fortune to win one of them.
wild, multiplier
- Chicken Little Wild pays x2 winning combo.
- Place an extra bet on Sonic 7's to activate up to 8x wild multiplier in Power Spins.