RIOO
The goddess of water who summoned you is nowhere to be found. Facing a tidal wave of monsters, you must join forces with other brave people who were summoned like you to repel them! Find the best combination of various strange weapons to survive the waves of attacks!
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Price history and discounts
Current price: $0.99. All-time low: $0.99 (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$3,49
Europe (€)
0,99€
United Kingdom
£0.89
Kazakhstan
300,00₸
Ukraine
26,00₴
Screenshots
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS *: Windows 7, 8, 10, 11
- Processor: Dual Core+
- Memory: 2 GB RAM
- Graphics: 1 GB RAM
- Storage: 1 GB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
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Recent price changes
| Change | When |
|---|---|
|
|
10 d ago |
| $0.99 | 10 d ago |