Comparison

Operation vs Invasion 3000

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

Head to head
About

Operation

Pilot a spaceship to defend Earth from an alien invasion. Dodge enemy ships, collect star dust for points, and use onboard weapons to defeat the xenomorphs and save humanity.

Highlights
  • Spaceship combat
  • Alien invasion defense
  • Dodge enemy ships
  • Collect star dust
  • Use onboard weapons
Features
Read full description

In the distant future, Earth was attacked by an alien enemy known as xenomorphs. They used their technology to infiltrate Earth and take over. However, a hero emerged who decided to defend his planet. He gathered a team of other survivors and went into space to find a way to defeat the aliens. Our hero pilots a spaceship and must destroy enemies using various weapons on board. The player's goal is to protect Earth from alien invasion and save humanity. Rules: dodge collisions with alien ships, earn 5 points for each maneuver. Star dust clouds are our helpers – they help us hide from the aliens, and you get 30 points for flying through them.

About

Invasion 3000

Pilot a gunship through a retro-style arcade shooter to defend humanity from alien invaders. Battle waves of enemies, collect weapon upgrades, and face a ridiculous final boss. Features multiple stages, power-ups, and different control options.

Highlights
  • 6 stages of intense arcade action
  • Epic multi-phase boss fight
  • Arsenal of weapon power-ups
  • Weapon overheat system
  • Tilt or touch controls
  • Prestige mode for added challenge
  • Hidden secrets and Easter eggs
Features
Read full description

THE YEAR IS 3000. Humanity was finally at peace. Then our deep-space probes detected something terrifying — Abe's Big Head of Death, a legendary evil feared across the universe. And it was on a direct course for our solar system... along with a horde of demon aliens. Our outer colonies fell in days. Our armies were annihilated. Our princess was taken. Now there's only one hope left — and it is YOU. INVASION 3000 is a retro-style vertical shooter inspired by the classic arcade era. Pilot your gunship through 5 increasingly dangerous stages, battle waves of alien invaders, collect powerful weapon upgrades, and face off against the most ridiculous final boss in gaming history. FEATURES - 6 stages of arcade action with progressively more difficult and intense waves of multiple enemy types - Epic multi-phase boss fight against Abe's Big Head of Death - Arsenal of weapon powerups: double guns, spreader shot, super missiles, smart bombs, and more - Weapon overheat system — manage your firepower or pay the price - Tilt OR touch controls — play your way - Retro "cinematic" intro and ending sequences - Prestige mode — beat the game and face an even greater challenge - Hidden secrets and Easter eggs for the careful observer - Original soundtrack and sound effects - Completely free. No ads. No paywalls. Built with love by JPEG Forever.

Screenshots

Operation4 screens
Invasion 30004 screens

Verdict

The call

The clearest difference is update cadence: Operation at daily against Invasion 3000's every 6 days. Invasion 3000's advantage is iOS requirement (13.0 vs 15.6). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Operation ships an update daily, Invasion 3000 every 6 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Operation versus Invasion 3000: the parameters behind the verdict, then further details
ParameterOperationInvasion 3000
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—3 — better
Update frequencyDaily — betterEvery 6 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size12 MB82 MB
Age rating4+12+
DeveloperBoris KravchenkoJPEG Forever

Customer experience

Operation

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Invasion 3000

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Operation

No in-app purchases

None

Invasion 3000

No in-app purchases

Questions

Is Operation free?
Operation is free to download, with no in-app purchases.
Is Invasion 3000 free?
Invasion 3000 is free to download, with no in-app purchases.
Do Operation or Invasion 3000 have ads?
Neither Operation nor Invasion 3000 shows ads.
Which is updated more often, Operation or Invasion 3000?
Operation ships an update daily, and Invasion 3000 every 6 days. Most recently, Operation was updated on October 16, 2026 and Invasion 3000 on October 7, 2026.

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