Fun unique game!
Very fun and unique strategy game, 5 stars!
Fun & challenging
Great thinking & strategic game I can’t stop playing.
Archived App (Last seen on 27 Jun 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
A retro pixel arcade strategy game blending number merging with tower defense. Deploy and merge pixel spaceships to defend your grid against waves of alien invaders, planning your merges carefully to increase ship power and survive increasingly tough challenges.
✓Grid-based tower defense with number merging mechanics
✓Deploy and merge pixel spaceships to upgrade power
✓Defend against waves of alien invaders
✓20 handcrafted campaign levels
✓Endless Mode for high score chasing
✓Retro pixel art visuals
✓Offline play supported
Show original description
What's New in Pixel Grid Guardians
2.0.0
April 3, 2026
Complete rebrand from "Hold the Line" to "Pixel Grid Guardians" Entire UI reskinned to retro pixel space arcade theme Custom pixel art spaceships (3 tiers) replacing colored blocks Custom pixel art alien enemies (5 tiers) replacing colored squares Projectile attack animations Explosion death effects Ice particle freeze effects Pixel art icons for all boosters, stars, gems, hearts New shop with tabbed categories (Gems/Boosters/Lives) Booster pack IAP ($2.99/$4.99) Redesigned level select with rounded cards Dark space purple theme with stars throughout Press Start 2P pixel font CRT scanline effect on grid
More8
In-App Purchases
$2.99
Pouch of Gems
Get 1,000 gems to use for continues and boosters.
User reviews
Developer apps
FAQ
What is Pixel Grid Guardians?
Pixel Grid Guardians is a retro pixel arcade strategy game that combines number merging with tower defense. Players deploy and merge pixel spaceships to defend a grid against alien invaders.
How do you play Pixel Grid Guardians?
You tap to deploy ships, match identical ships to merge them into more powerful ones, and reposition them for better strategy. Ships automatically fire at aliens each turn.
Does Pixel Grid Guardians have offline play?
Yes, Pixel Grid Guardians does not require an internet connection, allowing you to play anywhere, anytime.
What are the game modes in Pixel Grid Guardians?
The game features 20 handcrafted campaign levels with increasing difficulty and an Endless Mode where you can survive as long as possible and chase high scores.
What devices is Pixel Grid Guardians available on?
Pixel Grid Guardians is available on iPhone, iPad, and iPod, as indicated by its supported devices.
How often is Pixel Grid Guardians updated?
The latest version, 2.0.0, was released on April 3, 2026, suggesting an update frequency of at least annually or more often based on the release date.
What is the age rating for Pixel Grid Guardians?
Pixel Grid Guardians has an age rating of 4+, making it suitable for younger players and families.
Does Pixel Grid Guardians have ads?
No, Pixel Grid Guardians does not contain advertisements.