SaimonGosuke vs Alien Whack Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SaimonGosuke
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【Features of the game】 Operation is simple! Just tap the enemies that appear! The stress is released by the flashy explosion effects! If you don't defeat the enemy quickly, you will be shot! Tension like a duel in a western movie! Collect goods such as police identification cards, pistols, and police cars for points. A worldview reminiscent of Showa-era detective dramas. The worldview is reminiscent of a Showa-era detective drama! Gorgeous background music and the voices of men with rich personalities. 【Story】 Joto, a big city that never sleeps 24 hours a day, 365 days a year. In this city where violent crimes never cease, one criminal makes the bad guys, the "moles," tremble. There is one detective who makes the bad guys tremble in fear. His name is "Saimon Gosuke. People call him "the man who calls explosions.
Alien Whack Attack
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Game Features • Simple Controls, Pure Fun Just tap the screen to play! The intuitive controls make it easy for anyone to jump right in. It’s perfect for quick breaks or relaxing moments—anytime, anywhere! • Unique Aliens & Scoring Strategy Different types of aliens appear at random, each giving you a different score when tapped. Will you aim for the rare, high-scoring aliens or build up your points steadily? But be careful: tapping the wrong targets, like animals, will cost you points! This fast-paced game challenges both your reflexes and your decision-making skills. The better you play, the more intense it gets—aliens pop out faster and in greater numbers! Stay sharp and keep your focus to stay in the game! • 3 Difficulty Levels & AI Battle Mode Choose from Easy, Normal, or Hard to suit your skill level. It’s great for both new players and seasoned pros! Plus, go head-to-head with AI opponents in an exciting challenge mode. Race for points in real-time and show off your skills! • Online Rankings Climb the global leaderboard and see how your reflexes measure up. Can you make it to the top? • Fun for All Ages With its cute design and simple controls, this game is fun for kids, teens, and adults alike! Perfect For: Those who love classic whack-a-mole games, are looking for a simple yet addictive game, want to test their reflexes and concentration, enjoy alien or space-themed games, or simply want to have fun during a short break. You’ll also love the intense battles against the AI! Free to Play! “Whack an Alien” is completely free to play (with optional ads). Just one game and you’ll be hooked! Tap those aliens and protect the planet with your trusty hammer! Notes • Fully playable offline • Internet connection required for rankings and online features • Please play safely—no real hammer-swinging, of course! Download now and become the ultimate Alien Defender!
Screenshots
Verdict
The clearest difference is update cadence: Alien Whack Attack at every 5 weeks against SaimonGosuke's every 6 months. On price, ads, 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.
SaimonGosuke ships an update every 6 months, Alien Whack Attack every 5 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | SaimonGosuke | Alien Whack Attack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 5 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 254 MB | 105 MB |
| Age rating | 17+ | 4+ |
| Developer | SHOHEI YAMAMOTO | Shinya Okubo |
In-app purchases
SaimonGosuke
No in-app purchases
Alien Whack Attack
No in-app purchases
Questions
Is SaimonGosuke free?
Is Alien Whack Attack free?
Do SaimonGosuke or Alien Whack Attack have ads?
Which is updated more often, SaimonGosuke or Alien Whack Attack?
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