Crystals are a rare and valuable currency.
You can use crystals in the store or in missing item windows to buy:
- Universal tokens
- Energy drinks of a special investigation
- Regular energy drinks
- Hints
- Power-ups
- Assemblers
- Items to cause and neutralize anomalies
- Items to deal with emergencies
- Keys to extra police crates that you receive after dealing with emergencies
You can get crystals by:
- Raising your experience level
- Completing certain tutorial quests
- Purchasing them in the bank
- Setting up your G5 Friends profile, logging in to Facebook, and making your first posts to your page