Radiant vs Arcadium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Radiant
Engage in an intense arcade-style space shooter, battling alien hordes across over 100 levels. Upgrade your ship with powerful weapons and power-ups to defeat giant bosses and save your homeworld.
- 100+ Levels
- 10+ Boss-Fights
- Upgradeable Weapons
- Special Power-Ups
- Difficulty Options
- Online Leaderboards
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Take your stand against the alien horde in a pure arcade/action space shooter. Cut through hundreds of creeps to face giant monsters in unique bossfights. Collect special weapons and power-ups, upgrade your ship and save your homeworld! Relive the classics revamped. ◉ 100+ Levels ◉ 10+ Boss-Fights ◉ 6 Upgradeable Weapons ◉ 12 Special Power-Ups ◉ 3 Difficulty Options ◉ Global On-Line Hiscores
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 price: Arcadium at Free against Radiant's $2.99. Arcadium also leads on review sentiment (95% vs 83%). Radiant's advantage is in-app purchases (none vs 10) and ads (none vs shown). On rating, ratings volume, update cadence 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
Arcadium is free to download; Radiant costs $2.99 up front. Arcadium sells 10 one-off in-app purchases. Radiant asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Radiant against 4.9 for Arcadium. Both are backed by a comparable volume of ratings — 98 and 119 respectively. Written reviews are what separate them: 83% of Radiant's written reviews are positive against 95% of Arcadium's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Radiant | Arcadium |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.9 (98 ratings) | 4.9 (119 ratings) — better |
| Positive reviews | 82.7% of reviews | 94.7% of reviews — better |
| Number of ratings | 98 | 119 — better |
| Update frequency | Every 3 months | Every 3 months |
| 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 | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 91 MB |
| Age rating | 4+ | 4+ |
| Developer | David Peroutka | Luciano Bercini |
Customer experience
Radiant
Arcadium
User reviews
Radiant
From 98 App Store ratingsWhat we love
- 🚀 Smooth gameplay
- 👍 Retro-style graphics
- 💡 Interesting storyline
- 🎨 Vibrant colors
- 🎮 Intuitive controls
Room to improve
- 🐛 Crashes and compatibility issues with newer iOS versions
- ⏱️ Slow firing rate and weapon upgrades
- 🔁 Repetitive asteroid levels
- 🎨 Graphics could use more modern updates
- 💤 Gameplay can feel slow at times
Arcadium
From 119 App Store ratingsWhat we love
- 👍 Classic arcade experience
- 🤩 Fun and addictive gameplay
- 🚀 Nostalgic retro vibes
- 🎮 Straightforward and fair
- ✨ Many different ships with attributes
Room to improve
- ⚠️ Can be unfair at times
- 📉 Lost progress on reinstall
- 🐛 Game crashes after a fixed time
- 🐛 Game stops suddenly
- ❓ Difficulty understanding how to play
Bugs and requests
Radiant
Reported bugs
3 issues- Crashes on iOS 8 and newer
- Compatibility issues with iPhone 6 and newer
- Weapon upgrades not working as expected
Requested features
5 requests- Add more levels and weapon upgrades
- Implement save/load functionality
- Include difficulty settings and an endless mode
- Add support for external controllers
- Optimize performance for newer devices
Arcadium
Reported bugs
4 issues- Lost all progress after reinstall
- Game crashes after a fixed length of time
- Game suddenly stops
- Wave jump not working
Requested features
11 requests- Make it possible to play own music
- Continue updating and advertising the game
- More updates and more money spent
- More spaceships or an endless mode
- Nerf arcade nightmare
Show 6 moreShow fewer
- Make paid ships permanently obtainable normally
- Add a third part to the App Store
- Advertise the game more
- Add gift/promo code functionality
- iPhone upgrade availability
- Add more games like this
In-app purchases
Radiant
No in-app purchases
Arcadium
- Extra HP$2.99
- Artemis$2.99
- Hermes$2.99
Show 7 moreShow fewer
- Ares$3.99
- Ad-Free Revival$3.99
- 10000 Gems$3.99
- Aphrodite$3.99
- Double gems$4.99
- Pop-up Ad Removal$4.99
- 30000 Gems$8.99









