iOS Arcade Game
Chromium B.S.U. app icon

CHROMIUM B.S.U.

Retro Arcade Space Shooter

The classic vertical scrolling shmup, rebuilt for iOS with Apple Metal. Blast enemy waves, collect power-ups, beat the bosses. No ads. No subscriptions. No tracking. Pay once.

Download on the App Store One-time purchase โ€” 2.99 EUR

Features

Everything a shmup should be

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Vertical Arcade Action

Hunt over metallic seascapes. Five enemy types โ€” Gnat, Omni, RayGun, Straight, Tank โ€” plus two boss battles. Shields, lives, levels. Old-school arcade rules.

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Metal Renderer ยท 60โ€“120 fps

Built on Apple Metal. CADisplayLink with ProMotion support (60โ€“120 Hz). Runs at native resolution on every iPhone and iPad. No dropped frames, no battery drain.

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Game Center Leaderboards

Global ranking and 9 achievements โ€” first kill, survive 5 minutes, reach level 5, score 100 k, no-damage streak. Compete with friends via iMessage.

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Touch + MFi Controllers

Drag to fly, autofire on hold. Full MFi gamepad support: left thumbstick to move, A to fire, Menu to pause. Backbone, Razer Kishi, any MFi certified controller.

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Power-Ups ยท 3 Difficulty Levels

Shields, SuperShields, Repair kits, HeroAmmo upgrades. Easy / Normal / Hard. Per-session music and SFX sliders. Hardcore run or casual play โ€” your choice.

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Zero Nonsense

No ads. No in-app purchases. No subscriptions. No account required. No internet required to play. Pay 2.99 EUR once, own it forever.

Privacy by design

Chromium B.S.U. runs entirely on your device. It does not collect, transmit or share any personal data. Your high score stays local.

โœ“ No tracking โœ“ No analytics โœ“ No ads โœ“ No account โœ“ No internet required โœ“ GDPR compliant

Tech Specs

Platform
iOS 16.0+
Renderer
Apple Metal
Frame Rate
60 โ€“ 120 fps
Price
2.99 EUR
In-App Purchases
None
Internet Required
No
Age Rating
9+
Category
Games ยท Arcade
Device
iPhone + iPad
Controllers
MFi supported