Nautilus Online Video Slot

Nautilus is a popular 5-reel online video slot game powered by Watermill. The game is based on an underwater theme and features images of deep sea divers, submarines, sharks, floating mines and a host of aquatic animals. The backdrop to the slot is a type of porthole view of the ocean depths. The outer part of the reels resembles a type of cog or machine. The reel themselves appear translucent displaying the ocean in the background. The graphics and animation are high quality and combined with the authentic sounding background track, all work together to produce a high quality and entertaining slot game.

5 Reel Submarine Themed Slot

When it comes to the slot setup, Nautilus is based on the classic slot arrangement of 5 spinning reels with 20 paylines. On each spin, players can set the number of paylines they would like to play as well as the number of coins bet per payline. In addition to the slot machine, the game also includes a number of bonus features in the form of two types of Wild symbols, Scatter symbols, free spins and two bonus rounds. On the reels, players will find an assortment of submarine themed images including an anchor, a depth gauge, a porthole, a deep sea diver as well as a shark and a giant squid. For the lower paying symbols, the game designers have used the standard high card symbols from jack to ace.

Regular and Sticky Wilds

There are two Wild symbols in the Nautilus online slot game. The first is the shark symbol. This is the standard Wild symbol and appears on reels 2 through to 5. The shark can be used to substitute for all of the other standard reel symbols in order to form a winning combination. The shark cannot however substitute for the bonus and scatter symbols. The second Wild symbol is the submarine. This Wild only appears in the free spins round. When it appears on the reels, it sticks to the reels and remains in place for the duration of the free spins round.

Free Spins Bonus Round

The free spins Scatter symbol in Nautilus is porthole with “Free Spins” in the window. This symbol is the key to triggering the free spin bonus round. To activate the round, players must land 3 or more Scatter symbols anywhere on the reels. The more Scatters that trigger the round, the more free spins are awarded. 3 Scatters awards 10 free spins, 4 Scatters awards 15 free spins and all five awards up to 60 free spins.

Torpedo and Mine Bonus

The second bonus game in Nautilus is the Torpedo Bonus. This is triggered by landing 3 bonus symbols anywhere on the reels. Once triggered, players will be taken to a second screen where there is a number of mines on the left and a submarine on the right. Players must then fire torpedoes from the submarine to destroy the mines. The more mines destroyed, the more coins are won in the round. In addition to the Torpedo game, Nautilus also features a pick a mine bonus. This is triggered by landing 3 or more mine symbols anywhere eon the screen. Once triggered, players simply have to pick one of three mines to cash in on the wins.