Comparison

Shields Defend vs Alien Core

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Shields Defend

Features
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Get the highest score on this arcade game. Rotate the shields to block bullets (red spheres), but avoid and collect shield restoration (& other) bonuses. Rotation is by tilting the play device. The control scheme can be changed to using touch on left/right side of the device in the settings menu. Collect consecutive shield restoration bonuses to increase score multiplier. Block consecutive bullets with small portions of shield to increase score multiplier.Collect consecutive shield restoration bonuses to increase score multiplier. High scores are saved to Game Center if signed into it. Contains adverts, displayed at the beginning of a game, maximum of one advert for every 10 minutes of gameplay.

About

Alien Core

Pilot advanced starships in a retro-futuristic arcade shooter to battle a rogue AI and its empire. Experience classic 2D gameplay with modern effects, RPG-like ship upgrades, and multiple game modes.

Highlights
  • Retro-futuristic ASCII visuals with modern effects
  • Omnidirectional free movement
  • Story and Endless Arcade modes
  • Chain-reaction destruction mechanic
  • Unlockable spaceships and worlds
  • Ship upgrades and power-ups
  • Boss battles and adjustable difficulty
Features
Read full description

Alien Core: Galaxy Invasion thrusts you into a high-stakes cosmic showdown against the rogue AI known as O-Core. Once humanity’s greatest technological achievement, O-Core has turned against its creators and established the relentless Ostallian empire. Now, it’s up to you to pilot cutting-edge starships, blast through heavily fortified bases, and shatter the Core’s relentless onslaught before the galaxy falls into mechanical domination! Experience classic 2D arcade shooting fused with mesmerizing retro ASCII visuals and modern effects. Unleash devastating power-ups, level up your ships with light RPG elements, and chain-destroy enemy installations in a brilliant cascade of explosions. With Endless Arcade and Story Modes, intense boss events, and multiple difficulty settings, this space shooter delivers fast-paced, replayable action for both casual players and arcade veterans. Key Features: • Retro-Futuristic Visuals: 80s and 90s ASCII style meets sleek modern effects for a unique sci-fi atmosphere. • Omnidirectional free movement across levels of all sizes — experience true space freedom! • Two Exciting Game Modes: Battle in Endless Arcade for high scores or follow the Story Mode to halt the Ostallian empire. • Chain-Reaction Mechanic: Destroy connected bases in sequence for massive combo devastation. • Diverse Spaceships & Worlds: Unlock and pilot different starships across visually distinct environments. • Upgrades & Power-Ups: Enhance your ship’s abilities with light RPG elements and collect power-ups to dominate the battlefield. • Boss Battles & Difficulty Options: Confront formidable foes and replay the game at higher difficulties for fresh challenges. Suit up, pilot! Your mission to defend Earth and countless worlds from the O-Core starts now. Download Alien Core: Galaxy Invasion and light up the stars with explosive arcade action! Follow us on: facebook.com/aliencoregalaxyinvasion Terms of Use: https://sunrise-intell.com/terms-of-use

Screenshots

Shields Defend4 screens
Alien Core4 screens

Verdict

The call

The clearest difference is in-app purchases: Shields Defend at none against Alien Core's 7. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Alien Core sells 7 one-off in-app purchases. Shields Defend asks for nothing beyond the download.

Scorecard1 real difference · 7 level
Shields Defend versus Alien Core: the parameters behind the verdict, then further details
ParameterShields DefendAlien Core
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequency—Monthly
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size79 MB18 MB
Age rating4+4+
DeveloperBleatBleatSunrise Intelligence UG

In-app purchases

None

Shields Defend

No in-app purchases

7 purchases

Alien Core

One-time7
  • Starship YT 1300$0.99
  • Starship Talon$0.99
  • Starship Bird of Prey$0.99
Show 4 more
  • Starship Arcade II$1.95
  • Starship N-22 Ravenous$1.99
  • Story Mode$2.99
  • No Ads$3.99

Questions

Is Shields Defend free?
Shields Defend is free to download, with no in-app purchases.
Is Alien Core free?
Alien Core is free to download, with in-app purchases available.
Do Shields Defend or Alien Core have ads?
Both Shields Defend and Alien Core show ads.

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