Crystal Guardian
Crystal Guardian is a tower defense game featuring survival and time control elements. Defend the crystal against enemies from different biomes every night, and during the days, gather resources from various biomes to alleviate hunger and thirst, aiming to survive until the 100th day.
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Price history and discounts
Current price: $1.99. All-time low: $1.99 (low recorded on 09/04/2026). Now is the best time to buy — the price matches the all-time low.
We track Steam prices automatically and update them within minutes of any change. The chart shows how the price changed over time and helps you decide whether to buy now or wait for a discount.
Prices in other regions
Brazil
R$6,99
Europe (€)
1,99€
United Kingdom
£1.69
Kazakhstan
600,00₸
Ukraine
50,00₴
Screenshots
System requirements
Minimum
Minimum:
- OS *: Windows 7 SP1 or newer
- Processor: 2 GHz dual-core processor or better
- Memory: 2 GB RAM
- Graphics: DirectX 10 compatible graphics card or OpenGL 3.3 compatible graphics card
- Storage: 500 MB available space
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Recent price changes
| Change | When |
|---|---|
|
|
8 d ago |
| $1.99 | 9 d ago |