Space Invaders

Space Invaders Slot Review

Space Invaders is a retro arcade-themed online slot developed by Playtech and released in 2016. Inspired by the classic arcade game Space Invaders, the slot transforms the famous alien-shooting concept into a casino format. It combines traditional slot gameplay with interactive arcade mechanics, creating a nostalgic experience for players who enjoy vintage video games and modern slots.

Unlike typical slots, the game introduces a moving cannon positioned below the reels that interacts with symbols during spins. The cannon occasionally fires lasers that can transform icons into wild symbols, adding surprise moments and boosting potential wins. Space Invaders uses a 5-reel, 3-row layout with 10 fixed paylines, meaning all lines remain active while players simply adjust their bet size before spinning the reels.

Theme and Design

Space Invaders is built around a retro science-fiction theme inspired by outer-space battles. The game recreates the visual style of early arcade machines, featuring pixel-style aliens, flying saucers, and spaceships moving across a star-filled background.

The design intentionally mirrors the appearance of the original arcade game. Bright neon colors, simple animations, and classic 8-bit-style icons give the slot a nostalgic feel. The reels sit in the center of the screen while the action unfolds against a dark cosmic backdrop.

Space Invaders Slot Structure

• Reels: 5
• Rows: 3
• Paylines: 10 Fixed
• Theme: Retro Arcade / Space Adventure
• Special Features: Cannon Wilds, UFO Wild Feature, Respins
• Spin Modes: Manual Spin, Autoplay, Turbo Spin

The slot uses a traditional payline system where players must land matching symbols across one of the 10 active paylines.

Winning combinations are formed when identical symbols appear on adjacent reels from left to right. Because all paylines are always active, players only need to select their preferred bet size before starting the game.

How to Play

Space Invaders has a simple interface that allows players to start spinning quickly.

• Find the Line Bet menu at the bottom of the screen
• Adjust the bet value using the plus and minus buttons
• The selected line bet is automatically multiplied by 10 paylines
• Press the Spin button to start a manual spin
• Use the Autoplay option to run automatic spins

The minimum line bet starts at 0.10 credits, while the maximum bet per line is 20 credits. Because the game has 10 fixed paylines, the total maximum wager per spin can reach 200 credits.

Arcade-Style Gameplay Features

Space Invaders introduces gameplay mechanics inspired by the classic arcade shooter. The most important feature is the moving cannon located beneath the reels. During spins, the cannon travels horizontally across the bottom of the screen.

If the cannon stops beneath the second or fourth reel, it fires a laser shot upward. This shot can transform several symbols into wild icons. Because the cannon can activate during normal spins, it frequently changes the outcome of a round by creating additional winning combinations.

Risk-Style Reward Mechanics

Space Invaders does not include a traditional gamble feature or risk game. Instead, the slot focuses on interactive gameplay mechanics that influence the reels during spins. The cannon’s laser shots function as a risk-style mechanic because they can suddenly convert multiple symbols into wild icons.

When several symbols become wild at the same time, the chance of completing high-value combinations increases dramatically. Because the cannon activates randomly, players often experience sudden bursts of winnings during normal gameplay.

Symbols and Payouts

Space Invaders uses seven symbols inspired by characters and objects from the classic arcade game.

High-Paying Symbols

The highest payouts come from the planet symbol.

• Planet: 20, 75, 150

Landing five planet symbols on a payline delivers the largest regular payout available in the game.

Medium-Value Symbols

Several space-themed icons offer mid-range rewards.

• Alien: 10, 30, 50
• Flying Saucer: 6, 15, 30
• Spaceship: 4, 10, 25

These symbols represent the invading alien forces and spacecraft that appear throughout the game.

Low-Value Symbols

Three pixel-style alien characters represent the lower-value symbols.

• Purple Alien: 2, 7, 20
• Green Alien: 2, 7, 20
• Blue Alien: 2, 7, 20

Although these symbols provide smaller rewards, they appear frequently and help create regular winning combinations.

Wild Symbol

Space Invaders does not include a fixed wild symbol in the traditional sense. Instead, the slot uses a special cannon mechanic that can transform symbols into wilds during gameplay.

When the laser cannon fires at the reels:

• Several symbols may turn into wild icons
• Wild symbols substitute for all regular symbols
• Wilds help create additional winning combinations

Because the cannon can activate multiple times, the number of wild symbols during a spin may vary significantly.

This dynamic system adds unpredictability and excitement to the gameplay.

Bonuses & Special Features

Space Invaders includes several bonus mechanics that add variety to the base gameplay.

UFO Wild Feature

The main special feature is the UFO Wild Feature.

During gameplay, a flying saucer may appear above the reels. If the cannon successfully shoots the UFO, the feature activates and begins a respin sequence.

Respins Feature

Once the UFO is hit, respins begin automatically.

During respins:

• No additional bets are deducted from the player’s balance
• Wild symbols appear more frequently on the reels
• The number of wild symbols may increase with each respin

This feature allows players to continue spinning the reels while building more opportunities for large payouts.

RTP & Volatility

• RTP (Return to Player): 96.16%
• Volatility: Medium

The slot’s medium volatility ensures a balanced gameplay experience. Smaller wins occur fairly often, while the special wild mechanics create chances for larger payouts.

Although the maximum win multiplier is around 150x, players can still achieve large payouts thanks to the wide betting range and interactive wild features.

With the maximum bet activated, a single spin can deliver payouts of up to 30,000 credits.

Mobile Compatibility

Space Invaders is fully compatible with both desktop and mobile devices. The slot adapts smoothly to smaller screens while maintaining all core controls and gameplay features.

Players can easily adjust bets, activate autoplay, and spin the reels using touchscreen controls. The cannon animation and bonus features remain smooth and responsive on smartphones and tablets.

Tips to Play

• Use the Turbo mode if you prefer faster gameplay
• Watch for the cannon’s position under the reels before it fires
• Higher bets can significantly increase the value of payouts
• Take advantage of respins triggered by the UFO feature
• Try the demo version first to understand the cannon mechanics

Quick Stats

Space Invaders Slot Machine

Space Invaders delivers a nostalgic casino experience that combines classic slot gameplay with arcade-style mechanics. Its retro pixel graphics, recognizable alien characters, and moving laser cannon make it stand out among traditional online slots.

The interactive cannon feature adds a unique twist by turning symbols into wilds during gameplay, while the UFO respin feature offers additional chances to win without placing extra bets.

Spin the reels, fire the laser cannon, and defend the galaxy while chasing cosmic rewards in the Space Invaders slot.