Galatic Attack 2 vs Sudoku51
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Galatic Attack 2
Pilot a powerful spacecraft to defend the galaxy against relentless alien invaders. Engage in fast-paced, retro-style arcade combat with twin-shooting drones. Destroy waves of tough space invaders to save humanity.
- Retro shoot 'em up gameplay
- Defend the galaxy
- Twin shooting attack drone
- Destroy hordes of invaders
- Quick fire action
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Galatic Attack 2, Retro shoot'em up arcade game. Your task is to save the galaxy from the hordes of attacking invaders. You have far superior fire power from your twin shooting attack drone but are greatly out numbered by these tough little space invaders. Retro gaming at its best with quick fire action and lots of invaders to destroy.
Sudoku51
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This game brings to you the classical sudoku with a space theme and new variations of the game that will challenge your mind, concentration and endurance.
Screenshots
Verdict
The clearest difference is ads: Sudoku51 at none against Galatic Attack 2's shown. Sudoku51 also leads on update cadence (every 14 months vs every 37 months). Galatic Attack 2's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support 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.
Galatic Attack 2 ships an update every 37 months, Sudoku51 every 14 months. The most recent releases landed on September 29, 2026 and October 12, 2026 respectively.
| Parameter | Galatic Attack 2 | Sudoku51 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 37 months | Every 14 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 66 MB | 9 MB |
| Age rating | 9+ | 4+ |
| Developer | Galatic Droids | Herbert Caller |
In-app purchases
Galatic Attack 2
No in-app purchases
Sudoku51
No in-app purchases
Questions
Is Galatic Attack 2 free?
Is Sudoku51 free?
Do Galatic Attack 2 or Sudoku51 have ads?
Which is updated more often, Galatic Attack 2 or Sudoku51?
Other comparisons
