Planet Nine
Out there somewhere, but nobody has found it β a planet merge puzzle themed around "Planet Nine" π Launch planets like billiard balls and merge matching ones, growing from tiny Mercury toward the ninth planet π 3-5 minutes per run, played with a mouse. Scores go to global leaderboards πͺ
0 playing now
30-day peak: 4 (90 days)
Price history and discounts
Current price: $6.29. All-time low: $6.29 (low recorded on 09/09/2026). Now is the best time to buy β 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$24,07 β10%
Europe (β¬)
6,47β¬ β10%
United Kingdom
Β£5.66 β10%
Kazakhstan
2 079,00βΈ β10%
Ukraine
153,00β΄ β10%
Screenshots
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5
- Memory: 4 GB RAM
- Graphics: DirectX 11 compatible
- DirectX: Version 11
- Storage: 400 MB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
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Recent price changes
| Change | When |
|---|---|
| Data is being collected β first cycle in progress, check back soon | |