Automatic Wave Defense
Your crystal core fires on its own. Enemy machines spawn from the arena edges in escalating waves — including Titan, Carrier, Omega Core, and Void Crystal bosses.
Arena Defense Auto Battler
Defend the Crystal Core
Command a living reactor at the center of a neon battlefield. Waves of machines rush from every edge while your core fights automatically — you choose the technologies, forge fusions, and evolve between runs.
5
Reactor Cores
6
Battle Zones
22+
Technologies
How It Works
Build. Fuse. Survive.
Every run is a new reactor build. Pick upgrades after each wave, combine powers into fusion tech, and push deeper into hostile zones.
Roguelike Tech Drafts
After every wave, choose one of three technologies. Stack lasers, chain lightning, plasma, freeze, shields, and orbital drones to shape your run.
Meta Lab Progression
Earn crystals and technology cores between runs. Unlock new reactor types, open zones, expand tech slots, and buy starting bonuses in the Meta Lab.
Fusion Upgrades
Combine compatible technologies mid-run to unlock devastating fusion powers — Cryolaser, Ion Storm, Thermonuclear Charge, Laser Drones, and Shock Shield.
+
→
Reactor Cores
Five Starting Trees
Each reactor opens a different technology pool and playstyle. Unlock more cores with crystals earned across your campaigns.
Laser Reactor
Powerful beam attacks and piercing solar strikes.
Electric Reactor
Chain lightning and storm-cloud area control.
Plasma Reactor
Slow, devastating shots and death explosions.
Gravity Reactor
Magnet pulls, black holes, and crowd control.
Cryo Reactor
Freeze effects and ice-dome zone control.
Battle Zones
Six Neon Arenas
Every zone changes enemy speed, spawn density, shield recovery, and environmental hazards.
Ice Laboratory
Slippery surfaces boost enemy speed.
Space Station
Low gravity extends projectile range.
Biolab
Organic swarms regenerate faster.
Desert Reactor
Heat waves reduce shield recovery.
Underground Complex
Tight corridors bring denser spawns.
Volcanic Power Plant
Lava vents damage everyone periodically.
Legal
Privacy Policy
Last updated: July 16, 2026
Crystal Reactor respects your privacy. This policy explains what information the app handles and how it is used.
Information We Collect
Crystal Reactor does not require an account and does not collect personal information such as your name, email address, phone number, or precise location.
The app stores gameplay progress locally on your device using iOS storage (UserDefaults). This includes:
- Onboarding completion status
- Selected reactor type
- Meta progression data (crystals, cores, unlocked reactors and zones, purchased bonuses, completed runs)
This data stays on your device and is not transmitted to our servers.
Third-Party Services
Crystal Reactor does not integrate third-party analytics, advertising SDKs, or social login providers. The app functions entirely offline after installation.
Children's Privacy
Crystal Reactor is not directed at children under 13, and we do not knowingly collect personal information from children.
Data Retention and Deletion
All app data is stored locally on your device. You can delete it at any time by uninstalling the app or resetting app data through your device settings.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date.
Contact
For privacy-related questions, contact us at support@crystalreactor.app.
Help Center
Support
Need help with Crystal Reactor? Start here.
Contact Us
Report a bug, ask a gameplay question, or send feedback about your experience.
support@crystalreactor.appWe typically respond within 2–3 business days.
How do I unlock new reactors and zones?
Complete runs to earn crystals and technology cores. Spend them in the Meta Lab to unlock additional reactor cores, battle zones, technology slots, and starting bonuses.
What are fusion technologies?
When you own two compatible technologies in the same run, they can merge into a stronger fusion upgrade. For example, Laser + Freeze becomes Cryolaser, and Chain Lightning + Radiation becomes Ion Storm.
Does the game need an internet connection?
No. Crystal Reactor works fully offline. All progression is saved locally on your device.
How do I reset my progress?
Delete and reinstall the app, or clear app data from your device settings. This removes all locally stored progression.
Which devices are supported?
Crystal Reactor supports iPhone and iPad running iOS 16 or later.