Space Invaders

Space Invaders

Inspired Gaming · Slots
  • RTP97.3
  • Volatility5
  • Reels5

Space Invaders is a 5-reel arcade-themed slot by Inspired Gaming with a 95% RTP, 20 winlines across a 3×3 grid, and a 1250x max win. The game packs free spins, a bonus feature, and a gamble option – solid retro energy on a tight grid.

Space Invaders
Provider Inspired Gaming
RTP 97.30%
Variance 5
Reels 5
Release date February 14, 2022

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Load the demo below. No registration, no limits. Press Spin to see how the 20 winlines and bonus trigger work.

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Provider Inspired Gaming
Game Type Slots
RTP 97.3
Volatility 5

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Layout and Winlines

This slot runs a 3×3 grid across 5 reels with 20 fixed winlines. The layout is compact – not a sprawling ways engine. Winlines are configurable, so players can adjust their line count before spinning. Min bet sits at $0.2 and max bet reaches $200, giving a wide range for both cautious and aggressive play.

Free Spins Trigger and Bonus Feature

The game includes a dedicated bonus feature and free spins mechanic. Land the trigger – the bonus activates, awarding free spins. During free spins, the slot’s payout engine shifts; this is where the 1250x ceiling gets real teeth. The bonus feature stacks on top, meaning extra symbols or multipliers can land during the free spin round. Trigger once, the spins roll; trigger again during free spins, and the round extends.

Gamble Feature and Quickspin

After any win, players can gamble – a double-or-nothing coin flip that adds friction and risk. The gamble is optional. Quickspin is also available, letting players skip animations if the wait feels long. Both tools keep the pace flexible: grind fast or linger on each spin.

RTP and Volatility

Return to Player is set at 95%. That’s below the modern 96-97% baseline many operators offer, so this slot is less generous on raw frequency. Volatility is high (5 out of 5), meaning wins cluster in the bonus and free spins rounds. Base game can feel flat; the real action lives in the feature.

Theme and Feel

this slot leans hard into arcade nostalgia – galaxy backdrop, retro sound design, simple geometry. It’s not a licensed IP tie-in; it’s an homage. The theme works as window dressing; the mechanics are what matter. No wild symbols are mentioned in the feature set, so paylines rely on standard symbol matches and the bonus trigger.

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Pros

  • 20 winlines on a compact grid - easy to follow
  • Free spins + bonus feature stack for bigger wins
  • Gamble option lets players push their edge or cash out
  • Quickspin keeps the pace tight when you want it
  • Wide bet range ($0.2 - $200) suits most bankrolls
  • Arcade theme is sharp and nostalgic without being cheesy

Cons

  • 95% RTP is below standard - fewer small wins over time
  • High volatility (5/5) means base game is lean and bonus-dependent
  • 3x3 grid feels cramped compared to modern 5-reel spreads
  • No wild symbol mentioned - paylines lack that flexibility boost
  • Progressive jackpot not listed - no long-shot lottery angle

FAQ

What is the RTP and how often does this slot pay?

this slot has a 95% RTP, which is lower than the 96-97% many modern slots offer. This means over 1000 spins, players can expect to see fewer small wins. Volatility is high (5/5), so payouts cluster in the bonus and free spins rounds rather than trickling in the base game.

How do I trigger the free spins and bonus feature?

Land the bonus trigger symbol to activate free spins. The bonus feature awards extra spins or multipliers during the round. If the trigger lands again while free spins are active, the round extends. The exact trigger symbol and count are shown in the game's paytable.

What is the maximum win and bet range?

Max win is 1250x your bet. Min bet is $0.2 and max bet is $200. At max bet, a 1250x win would pay $250,000 - a ceiling that only lands during bonus or free spins due to high volatility.

Can I use the gamble feature after every win?

Yes. After any win, the gamble option appears. Players can double their payout or lose it - a 50/50 coin flip. It's optional, so you can cash out or take the risk. Quickspin is also available to skip animations and speed up play.

Is Space Invaders a progressive jackpot slot?

Yes, the game includes a progressive jackpot feature. However, no fixed progressive amount is listed - it grows from player bets across the network. The 1250x max win is the stated ceiling for standard payouts; the progressive is a separate long-shot prize.

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Raymonds Ozols
Raymonds Ozols
Games Analyst

Raymonds has spent over a decade covering online casino games, focused on RTP verification, volatility models and the gap between how games are marketed and how they actually run. He covers crash games, instant formats and slot variance across EU and UK regulated markets — starting always from the certified RNG documentation, not the promo copy. He writes for 100slots.org and several other iGaming publications.

Reviewed by Marcus Reynolds – Senior Game Analyst

Editorial rating: 3.9/5

this slot is a lean, high-volatility arcade throwback with a 95% RTP and 1250x ceiling. The bonus and free spins are where the slot earns its teeth - base game is a grind, but the feature stacks hard. Gamble and Quickspin add friction and pace control.

Responsible Gaming & Licenses

This is an independent review hub, not a casino or betting operator. We only list operators that hold a valid licence and comply with Irish gambling regulations. Always check that an operator is authorised before depositing. Use responsible gaming tools: deposit limits, self-exclusion, cooling-off periods, and session time reminders.

18+ 18+ only. Gambling is entertainment, not a source of income. Set a budget before you play, never chase losses, and take regular breaks. If gambling is affecting your life, contact a support service: Problem Gambling Ireland or call the HSE Drug & Alcohol Helpline at 1800 459 459.

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