Online video slot from Microgaming company features 5 reels, 20 paylines, has special pictures, free spins and a bonus game. Bet size is from 0.01 to 10 coins, and the maximal reward is 250 chips.

The game Nauticus continues the marine theme among slots. You have to make combinations of symbols of the submariner, an octopus, anchors, triangle porthole and barometer. If multiple identical elements drop on the same line, then the player will receive prizes. Free spins and bonus games increase the number and value of prize-winning combinations.

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Nauticus slot game review

How to play

When the playfield of the free slot game for fun opens, you will see the following buttons:

  • Spin – the launch of the game.
  • Lines – select the number of lines.
  • Stake/Line – choose a bet on a line.
  • Total Stake – an indicator of the total stake.
  • Info – information about the game.
  • Balance – the state of the player's balance.
  • Autospin – starting the game in an automatic mode.

You can examine the structure of the lines, on which combinations of identical symbols need to drop in order to form a sequence, by clicking on the side buttons of the Nauticus slot playfield.

Special pictures and free spins

The free slot machine game features two wild symbols: depicting a shark and a submarine. The first element replaces any missing pictures to form a prize combination, except for the scatter and bonus. The second wild symbol drops only throughout free spins and remains in place during five rounds at most, forming prize sequences by replacing the missing elements.

Scatter depicting an underwater bomb opens the bonus game Pick a Mine upon the appearance of three symbols on the playfield and brings a reward equal to the total bet.

The image with the inscription FreeSpins gives up to 60 free rotations and grants the user prize equal to a total bet if it appears on the screen in 3 positions.

Online slot’s Bonus symbol would trigger a second bonus game Torpedo if three of these elements appeared on the playfield.

Visit the section of our website Free Spins to find out detailed information about the bonus rotations.

Other symbols and winnings

Playing cards and a variety of marine attributes can bring credits if three, four or five of them showed up on the reels:

  • Submariner – 50, 100 or 250.
  • Octopus – 30, 75 or 150.
  • Triangle Porthole – 25, 50 or 100.
  • Barometer – 20, 25 or 50.
  • Anchor – 15, 20 or 25.
  • Ace – 10, 15 or 20.
  • King – 5, 10 or 15.
  • Dame – 2, 5 or 10.
  • Jack – 1, 2 or 5.

Winnings are multipliers for a bet per line, so the final size of the reward depends on the deposit invested in the free online slot with no sign-up.

Bonus game

When scatters activate bonus rounds, a new playfield opens:

  • Torpedo. The player will have to detonate a bomb with torpedoes. The more explosives will be blown up, the larger will be the prize.
  • Pick a Mine. The player selects bombs in random order and receives random rewards, the amount of which indirectly depends on the total bet on a spin.

Learn about other slot machine bonuses in the dedicated section of our website.

Maximal winnings

Collect five pictures of a submariner on a line and get the maximum payout of 250 coins. Of course, this is just a multiplier of the bet and the final reward will depend on the deposit. Let’s imagine you put at stakes 10 coins per line (max bet). Therefore, your winnings for the combination will be equal to 2500 coins (250x10).

If this slot is to your liking, you can try it in [[$whereToPlayLinks]] casinos and put your skills to use in a game for money to win real prizes.

Nauticus online free slot game from Microgaming has sufficient advantages allowing the player to get a decent reward. Get credits for the appearance of scatters equal to total bets, participate in bonus games, and form a broad range of combinations using free spins.

Game Specs
  • Active bonus Yes