Alien Attack Slot Review
5.00By Espresso Games · Theme: outer space aliens
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Inside Alien Attack
Espresso Games has deeper titles, yet Alien Attack gets right its basics: clean reels, clear rules, steady entertainment. Designed around outer space aliens, the presentation holds tight from spin one. Everything that follows was tested in real sessions as of July 22, 2026.
Symbols and Theme
Across the reels you'll meet green, red, purple, yellow and blue aliens. Espresso Games cast the spaceship wild and super wild as the wild. Land multiple radar screen bonus, ray gun scatter and free spins symbols and things get interesting quickly. Having wilds and scatters in play, Alien Attack holds every spin alive with possibility.
Which Features Make Alien Attack Special
Trigger three free spins symbols on the 1st, 2nd and 3rd reels and Alien Attack's Free Spins kicks in — easily the game's most profitable stretch. Past the first feature, three radar screen bonus symbols in any position on the 3rd, 4th and 5th reels opens the Spaceship Bonus. Spins stay lively between bonus hits — a sign of good core math.
Stakes, Lines & Wins
High stakes players get real range here: bets scale from 0.02 up to 800 per spin. Across 32 paylines on 5 reels, hit frequency stayed honest throughout testing. Like always: variance decides single sessions — bet inside a set bankroll.
Rooms Hosting This Slot
Looking to play? Europa777, Crowngreen and Crowngreen Casino all carry Espresso Games including Alien Attack. Liked Alien Attack? Comparable reels include 7 & Co and Cash Busters, both from a similar vein.
Alien Attack: Our Bottom Line
9 out of 10: solid, replayable, fairly designed. Espresso Games ships 37 games to its name — yet Alien Attack is one of the few worth revisiting. Reviewed by Steve Broug for Allonlinecasinos — updated periodically.
Pros
- Bonus rounds included: Playing the slot machine you can hit the Free Spins bonus that is started by three free spins symbols on the 1st, 2nd and 3rd reels.
- Includes wild and scatter symbols: Not only can you win more completeing winning combinations with the spaceship wild and super wilds, this game also contains scatter symbols to increase your winning results.
- Game uses 32 lines and 5 reels: Alien Attack has 32 lines in combination with 5 reels allowing for a maximum win of $62,500.
- High roller friendly: The stake ceiling reaches 800 a spin — well above the average slot.
Cons
- Game doesn't support progressive jackpots: Giant wins may be the best part of playing slots, progressive pots are big. Most progressive games usually have a lower return, though people might see the missing progressive as a con.
- No demo mode: There isn't a free-play version, meaning first-time players start at live stakes.
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Frequently Asked Questions
What is the slot based on?+
This Espresso Games designed this game after outer space aliens having green, red, purple, yellow and blue aliens symbols.
Does Alien Attack offer wild symbols?+
This outer space aliens based slot machine uses spaceship wild and super wild symbol for replacing other symbols.
Does the game have bonus rounds?+
Yes, the game has many including Free Spins launched by three free spins symbols on the 1st, 2nd and 3rd reels and the Spaceship Bonus
Is there scatters on the slot?+
Yes, the radar screen bonus, ray gun scatter and free spins symbol allows for winning the game.
How much can you stake on a spin?+
Bets run from 0.02 up to 800 a spin, covering casual players through serious bankrolls alike.
What casinos carry Alien Attack?+
Look for it on Espresso Games-powered sites such as Brasil777 or Wolfy casino.
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