This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Play the Alien KO free demo slot—no download required! Try Green Jade Games’s latest game, enjoy risk-free gameplay, explore features, and learn game strategies while playing responsibly. Read our expert Alien KO slot review with ratings for key insights before you play.
Released:January 20 2021
Responsible Gaming
You have to be 18 years or older to play our demo games. Please confirm that you are of the legal age to proceed:
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There is a No Deposit Bonus available: 100 Free Spins
Alien KO is a video slot game created by the provider Green Jade Games. In this Alien KO slot review you’ll learn about its core features (including RTP, max win, and volatility), the bonus mechanics, and what helps the game stand out — along with the areas where it may fall short.
Alien KO is played on a 6 reel layout with up to 50 paylines/ways. The game includes a variety of features such as Cash Prize, Knock Out Feature, Nudges, Sticky Wilds, Wilds, and more. There’s also a dedicated free spins bonus round, which is typically where the game’s biggest win potential comes into play.
The standard RTP (Return to Player) for Alien KO slot is 95.08% (Could be lower on some sites). This payback is good and considered to be about average for an online slot. Theoretically, this means that for every €100 put into the game, the expected payout would be €95.08. However, the RTP is calculated on millions of spins, which means that the output for each spin is always random.
The highest possible payout for this slot is 10000x your total bet which is very high and gives you the chance to win really big wins. The maximum possible win is also calculated over a huge amount of spins, often one billion spins.
Alien KO was released on January 20 2021.
This is our own slot rating based on how popular the slot is, RTP (Return To Player) and Big Win potential.
Yes! You can enjoy Alien KO in demo mode without signing up. Try our free version above to explore the features. For real money play, visit one of our recommended Green Jade Games casinos.
To play for real money:
No! There is no Bonus Buy feature available in Alien KO. All bonus rounds must be triggered naturally during regular gameplay.
Yes. Alien KO is powered by Green Jade Games, a licensed provider that uses certified RNG (Random Number Generator) technology to ensure fair and unpredictable outcomes.
The slot offers a big max win of 10000x your stake.
Example: A €1 bet could return up to a solid €10000.
Yes! Most of our featured Green Jade Games casinos on this page offer welcome packages that include free spins or bonus cash usable on Alien KO. Always check the terms before claiming.
Absolutely. The game is fully optimized for mobile devices, including iOS and Android.
Yes, many crypto‑friendly casinos offer Alien KO as long as they support games from Green Jade Games. You can usually play using popular cryptocurrencies like Bitcoin, Ethereum, or Litecoin. If you prefer crypto gaming, check out our list of trusted Bitcoin casinos to find platforms that accept digital currencies and feature Green Jade Games slots.
Yes, the demo mirrors the full version in gameplay, features, and visuals—just without real money payouts.
