Invaders(Simple) vs Arcadium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Invaders(Simple)
A classic retro shooter game inspired by Space Invaders. Experience simple, nostalgic gameplay with a focus on pure shooting action. Perfect for quick gaming sessions.
- Retro shooter gameplay
- Classic arcade style
- Simple controls
- Nostalgic experience
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This is a space invaders like retro shooter game. very simple and classic. please play.
Arcadium
Command a fighter ship to defend Earth from alien invaders in this fast-paced arcade shooter. Blast through waves of enemies, collect power-ups, and permanently upgrade your ship for an infinite fight for survival. Enjoy classic retro shmup action with modern twists and one-finger controls.
- Unique spaceships with special skills
- Endless alien waves and boss battles
- Permanent ship upgrades and mastery perks
- Classic arcade shmup gameplay
- One-finger controls
- Offline play
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Arcadium is a fast-paced space shooter inspired by classic arcade games. Battle endless waves of aliens, defeat powerful bosses, and upgrade unique spaceships in a retro shoot 'em up built for skill, quick sessions, and offline play. If you enjoy classic arcade action, smooth controls, and rewarding progression, Arcadium delivers a pure space shooter experience on mobile. - A True Arcade Space Shooter Experience - Arcadium brings back the feeling of old-school arcade shooters with smooth controls and fast sessions designed for mobile. • Endless alien waves and epic boss battles • Multiple unique spaceships with special abilities • Permanent upgrades and mastery progression • Retro pixel-art style inspired by classic shoot 'em up games • Offline arcade gameplay, no internet required • Easy one-finger controls This arcade shooter focuses on gameplay, skill, and high scores. - Bullet Hell Meets Retro Shmup - Dodge complex enemy patterns, collect power-ups, and push your high score further every run. Whether you call it a shmup, shoot 'em up, or space shooter, Arcadium is built for players who love arcade challenge. The deeper you go, the harder the alien invasion becomes. - Simple Controls, Endless Challenge - • Slide to move your spaceship • Destroy alien enemies • Collect power-ups • Upgrade stats permanently • Defeat alien bosses - Why This Space Shooter Stands Out - Unlike many modern arcade shooters, Arcadium delivers: • Fast gameplay sessions • Clean and responsive controls • Skill-based progression • Offline play anytime No complicated systems. Just pure arcade action - For Fans Of - • Classic arcade shooter games • Retro space shooter titles • Bullet hell game • Alien shooter experience • Shoot 'em up and shmup games Arcadium focuses on gameplay first. No complicated systems, just responsive controls, fast action, and the thrill of improving run after run. Whether you call it a space shooter, shmup, or shoot 'em up, Arcadium is made for players who love arcade challenge, retro style, and endless replayability. Download Arcadium and defend the galaxy today. Contact & Community Email: lucianobercinidev@gmail.com Discord: https://discord.gg/73w3kFA X: https://x.com/lucianobercini
Screenshots
Verdict
The clearest difference is in-app purchases: Invaders(Simple) at none against Arcadium's 14. Invaders(Simple) also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). Arcadium's advantage is review sentiment (95% vs 63%) and update cadence (every 3 months vs every 20 months). On price, rating 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. Arcadium sells 14 one-off in-app purchases. Invaders(Simple) asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Invaders(Simple) against 4.9 for Arcadium. That said, the two scores are not equally well evidenced: Arcadium has 119 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 63% of Invaders(Simple)'s written reviews are positive against 95% of Arcadium's.
Invaders(Simple) ships an update every 20 months, Arcadium every 3 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.
| Parameter | Invaders(Simple) | Arcadium |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.9 (119 ratings) |
| Positive reviews | 62.5% of reviews | 94.7% of reviews — better |
| Number of ratings | 1 | 119 — better |
| Update frequency | Every 20 months | Every 3 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 5 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | Masanao Baba | Luciano Bercini |
Customer experience
Invaders(Simple)
Arcadium
In-app purchases
Invaders(Simple)
No in-app purchases
Arcadium
- 1000 gems$0.49
- 2000 Gems$0.99
- 3000 gems$1.99
Show 11 moreShow fewer
- Extra HP$2.99
- Artemis$2.99
- Hermes$2.99
- Ares$3.99
- Ad-Free Revival$3.99
- 10000 Gems$3.99
- Aion$3.99
- Aphrodite$3.99
- Double gems$4.99
- Pop-up Ad Removal$4.99
- 30000 Gems$8.99
Questions
Is Invaders(Simple) free?
Is Arcadium free?
Which has better reviews, Invaders(Simple) or Arcadium?
Do Invaders(Simple) or Arcadium have ads?
Which is updated more often, Invaders(Simple) or Arcadium?
Other comparisons
