Operation vs Invasion 3000
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Spaceship combat
- Alien invasion defense
- Dodge enemy ships
- Collect star dust
- Use onboard weapons
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Operation ships an update daily, Invasion 3000 every 6 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | Operation | Invasion 3000 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Daily — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 82 MB |
| Age rating | 4+ | 12+ |
| Developer | Boris Kravchenko | JPEG Forever |
Customer experience
Operation
Invasion 3000
In-app purchases
Operation
No in-app purchases
Invasion 3000
No in-app purchases









