Last Updated: Monday, 11 March 2024 20:08

What on Earth slot

You will get not only huge portions of excitement but also have great fun playing What on Earth slot. The developers of Microgaming have dedicated the game to aliens who are trying to take over our planet.

But they look so ridiculous that their plan can already be considered a failure. You can start playing for free in the demo of this slot without registering on our website. You won't have to save humanity, but winning a big jackpot is your main task.


What on Earth has an original theme and design. Quite large rewards and simple rules of the game await you. I recommend trying your luck in this slot because the payout percentage is 95.98%. And this speaks of the high profitability of the slot machine. On this page, you can play the demo of this slot machine for free without registration.

Hidden parameters and settings of the slot

  • The frequency of triggering the bonus is statistically, every 89th spin (1.12%).
  • The distribution of the winnings is 70% in the usual spins and 30% in the bonus feature.
  • The maximum payout during the tests was 198x.
  • The average winnings from the bonus are 31x.
  • Volatility - 4.8 out of 20 (low to medium).
  • Cycle length is low to medium.
  • The rating of the slot machine for the wagering is 6.02 out of 10.
  • A winning percentage (RTP) of 95.98% does not allow for a positive expectation of winning.
  • Find out how to win at What on Earth slot machine.

Description of the slot machine

The slot developers have created a colourful and interesting atmosphere. All the symbols of the game are related only to the space theme. Here you will find images of spaceships, single-seat modules, and other original pictures.

The developers responsible for the soundtrack have also tried their best. They managed to choose such a scale that ideally suits all the storylines of the game while being unobtrusive and easy to understand. You can start a battle with aliens and play for free in the What on Earth slot machine demo without registration right now.


  • Number of reels - 5
  • The number of pay lines - 9
  • The cost of one coin is from $ 0.01 to $ 1
  • Number of coins per line - 1-5
  • The range of the size of bets - from $ 0.01 to $ 45
  • Maximum winnings - x7500
  • Wild symbol - yes
  • Scatter - yes
  • Risk game - no
  • Bonus game - yes
  • The maximum winning is 37,500.
  • The expected payout percentage of the slot is 95.98%

Symbols and payouts

  • Images of planets-berries, star-orange, comet apple and meteor stub will add to your score from 3 to 250;
  • The alien in the window and the spaceship control panel work from 2 symbols on the line and will delight you with 3 - 1000 coins;
  • The Wild Symbol is our Earth. Its appearance guarantees from 4 to 7500 coins, and sometimes it replaces other symbols, which creates combinations of a winning order;
  • The Scatter is the red Rocket. She pays out 3, 25 or 100 coins if she appears on the screen three to five times.
  • The Blue Ship and the Flying Saucer are also Scatters, but they drop out only on the last three reels. With them, you will receive up to 3 total bets.

Bonus game

A multi-level Beat'em Up bonus round awaits you in the What on Earth slot machine. It is launched when the Scatters are Rocket. The Ship or Saucer will appear on the screen in the number of three. Here you will choose one of the aliens, who, for their freedom to share money with you or go to the next level.

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