Comparison

Radiant vs Arcadium

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 100+ Levels
  • 10+ Boss-Fights
  • Upgradeable Weapons
  • Special Power-Ups
  • Difficulty Options
  • Online Leaderboards
Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

Radiant4 screens
Arcadium4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Radiant versus Arcadium: the parameters behind the verdict, then further details
ParameterRadiantArcadium
Price$2.99Free — better
Rating4.9 (98 ratings)4.9 (119 ratings) — better
Positive reviews82.7% of reviews94.7% of reviews — better
Number of ratings98119 — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size21 MB91 MB
Age rating4+4+
DeveloperDavid PeroutkaLuciano Bercini

Customer experience

Radiant

All ratings99 ratings
Positive97.0%
Neutral2.0%
Negative1.0%
Written reviews318 reviews
Positive82.7%
Neutral8.8%
Negative8.5%

Arcadium

All ratings119 ratings
Positive97.5%
Neutral0.8%
Negative1.7%
Written reviews38 reviews
Positive94.7%
Neutral0.0%
Negative5.3%

User reviews

Radiant

From 98 App Store ratings

What 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 ratings

What 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 more
  • 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

None

Radiant

No in-app purchases

10 purchases

Arcadium

One-time10
  • Extra HP$2.99
  • Artemis$2.99
  • Hermes$2.99
Show 7 more
  • 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

Questions

Is Radiant free?
Radiant costs $2.99, with no in-app purchases.
Is Arcadium free?
Arcadium is free to download, with in-app purchases available.
Which has better reviews, Radiant or Arcadium?
Arcadium is rated higher. Radiant averages 4.9 out of 5 from 98 ratings, while Arcadium averages 4.9 from 119 ratings.
Do Radiant or Arcadium have ads?
Arcadium shows ads; Radiant does not.
Which is updated more often, Radiant or Arcadium?
Radiant ships an update every 3 months, and Arcadium every 3 months. Most recently, Radiant was updated on November 6, 2026 and Arcadium on November 3, 2026.

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