Free demo, RTP, volatility and bonus features of the Alien Invaders slot by Pragmatic Play.
Prepare for an extraterrestrial encounter in Alien Invaders. This retro-styled slot brings 1980s arcade vibes to the reels, featuring cosmic symbols, UFO modifiers, and an out-of-this-world bonus round designed for classic sci-fi fans.
Alien Invaders is an online slot from Pragmatic Play. Pragmatic Play is one of the largest content providers in iGaming, delivering crowd-favorite slots such as Sweet Bonanza, Gates of Olympus and The Dog House along with a full live casino suite.
On CasinoCheck the title runs as a free browser demo: no account, no stake, and full access to the controls and feature screens of Alien Invaders. That makes it easy to see how the interface behaves before switching to a real-money version.
97%, medium volatility and a stated maximum win of 10,000x. The recorded release date is January 1, 2014. The return figure applies across millions of simulated spins. So short sessions can look very different. Volatility describes the swing profile. Meanwhile, the stated maximum win is the limit the game can pay, not a likely result.
Gameplay tags associated with Alien Invaders include Bonus Buy, Sticky Wilds. The tags summarise the systems worth watching while the Alien Invaders demo runs. The rules section below covers the recorded feature behaviour, and the in-game paytable stays the final word on symbol values and trigger conditions.
Try the demo with both small and larger stakes to see how the win sizes scale, and pay attention to the moment a bonus symbol appears. Before the first round, open the paytable so the symbol values of Alien Invaders are familiar.
Watching the balance over a few hundred spins shows the swing profile far better than a short burst of play.
Settings can differ between casinos, licences and software builds. So confirm the live RTP, the bet limits and the feature availability in the version you actually play. Demo results never predict real-money outcomes. Decide on a budget in advance, never chase a loss, and keep casino games in the entertainment column.
Alien Invaders is a 5-reel, 20-payline slot. The game features a Wild symbol that substitutes for all symbols except the Bonus and Scatter. Landing three or more Alien Bonus symbols triggers the 'Alien Hunt' bonus game, where players select targets to reveal cash prizes.
The UFO symbol acts as a scatter, and landing three or more awards a payout multiplied by the total bet. High-value symbols include various alien lifeforms and space equipment. All wins pay from left to right.
How to play the Alien Invaders demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy, Sticky Wilds. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Sticky Wilds remain fixed for the period defined by the relevant feature.
So note exactly when they appear and when they reset. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
97% RTP, medium volatility and a maximum win of 10,000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Last checked: 2026-09-11
Free demo mode: this game runs with play money only — no real-money wagering and no winnings.
18+ only. Gambling involves risk — play responsibly, set deposit and time limits, and never play with money you cannot afford to lose.
Alien Invaders comes from the Pragmatic Play studio, released in 2014. It is built around bonus_buy and sticky_wilds. You can try the full game in free demo mode on this page — it runs with play money, so no deposit and no registration are needed.
The published math for Alien Invaders shows a return to player (RTP) of 95.97%, medium volatility and a maximum win of 10,000x. In practice that means hit frequency and payout size stay in balance. That suits most session lengths. RTP is a long-run average across millions of spins, not a promise for a single session.
The free version of Alien Invaders is useful for judging pace and feature frequency before committing a real balance. When you are ready to switch, compare licensing, withdrawal times and bonus rules of the casinos listed on CasinoCheck — they vary widely by operator and country.
Prepare for an extraterrestrial encounter in Alien Invaders. This retro-styled slot brings 1980s arcade vibes to the reels, featuring cosmic symbols, UFO modifiers, and an out-of-this-world bonus round designed for classic sci-fi fans.
Alien Invaders is an online slot from Pragmatic Play. Pragmatic Play is one of the largest content providers in iGaming, delivering crowd-favorite slots such as Sweet Bonanza, Gates of Olympus and The Dog House along with a full live casino suite.
On CasinoCheck the title runs as a free browser demo: no account, no stake, and full access to the controls and feature screens of Alien Invaders. That makes it easy to see how the interface behaves before switching to a real-money version.
97%, medium volatility and a stated maximum win of 10,000x. The recorded release date is January 1, 2014. The return figure applies across millions of simulated spins. So short sessions can look very different. Volatility describes the swing profile. Meanwhile, the stated maximum win is the limit the game can pay, not a likely result.
Gameplay tags associated with Alien Invaders include Bonus Buy, Sticky Wilds. The tags summarise the systems worth watching while the Alien Invaders demo runs. The rules section below covers the recorded feature behaviour, and the in-game paytable stays the final word on symbol values and trigger conditions.
Try the demo with both small and larger stakes to see how the win sizes scale, and pay attention to the moment a bonus symbol appears. Before the first round, open the paytable so the symbol values of Alien Invaders are familiar.
Watching the balance over a few hundred spins shows the swing profile far better than a short burst of play.
Settings can differ between casinos, licences and software builds. So confirm the live RTP, the bet limits and the feature availability in the version you actually play. Demo results never predict real-money outcomes. Decide on a budget in advance, never chase a loss, and keep casino games in the entertainment column.
Alien Invaders is a 5-reel, 20-payline slot. The game features a Wild symbol that substitutes for all symbols except the Bonus and Scatter. Landing three or more Alien Bonus symbols triggers the 'Alien Hunt' bonus game, where players select targets to reveal cash prizes.
The UFO symbol acts as a scatter, and landing three or more awards a payout multiplied by the total bet. High-value symbols include various alien lifeforms and space equipment. All wins pay from left to right.
How to play the Alien Invaders demo: open the game, wait for the interface to finish loading and review the paytable or help menu before starting. Choose a comfortable virtual stake with the on-screen controls, then begin a round and let the result complete before changing settings. The demo uses play credits.
But the controls and feature sequence are designed to mirror the corresponding game experience.
For this slot format, set the virtual stake and press spin. Winning combinations are evaluated according to the paytable after the reels or grid settle. Check whether the game uses paylines, ways, clusters or another win system. That is because this determines how matching symbols connect. Wilds, scatters and bonus symbols may follow separate rules.
The mechanics recorded for this title are Bonus Buy, Sticky Wilds. A Bonus Buy label means direct feature access may be offered in eligible versions. Compare its virtual cost with the normal trigger route. Sticky Wilds remain fixed for the period defined by the relevant feature.
So note exactly when they appear and when they reset. Feature labels summarise the catalogue entry. But the game screen determines the exact trigger, duration and payout calculation.
97% RTP, medium volatility and a maximum win of 10,000x. RTP is calculated across a very large number of rounds and cannot forecast a short demo session. Volatility describes the intended risk pattern: higher settings generally mean outcomes may be less frequent and more uneven.
A maximum win is a ceiling and should never be treated as a likely target.
During testing, watch the stake shown before every round, the balance change after settlement, the symbols or events that trigger features and any multiplier that remains active. Try the base game first instead of immediately selecting an optional shortcut.
If autoplay is available, set a limited number of rounds and stop conditions so the session remains easy to follow.
Availability, RTP and feature settings may differ between operators or countries. Always use the paytable and help menu in the exact version being played. Real-money gambling involves financial risk. Use fixed limits, take breaks and never increase a stake to recover a loss.
Yes. The demo on this page runs Alien Invaders with play money — no deposit, no account and no download. Demo balances have no cash value and cannot be withdrawn.
Alien Invaders was developed by Pragmatic Play. You can browse the studio's other titles from the provider page linked at the top of this page.
Pragmatic Play publishes an RTP of 95.97% for Alien Invaders. That figure is a theoretical long-run average; individual sessions can land far above or below it. Some operators run configurable RTP versions, so check the game info screen in the casino you play at.
Alien Invaders is rated medium volatility, which means hit frequency and payout size stay in balance. That suits most session lengths.
The win cap for Alien Invaders is 10,000x. Reaching it usually requires the top feature combination, so treat it as a ceiling rather than an expected result.
Alien Invaders uses bonus_buy and sticky_wilds. The demo above is the quickest way to see how often each feature triggers.
Yes. Alien Invaders runs in the mobile browser on iOS and Android — the demo on this page adapts to portrait screens, and no app install is needed.
All Pragmatic Play slots and free demos