Project Castaway vs Subnautica 2
Which one is worth buying now, with today's prices and each game's recommendation.
Subnautica 2 wins 7 of 13 head-to-head metrics. Project Castaway is R$65.23 cheaper.
Metric by metric
The winner of each row gets a ✓. No row weighs more than another; the recommendation is calculated separately.
| Metric | Project Castaway | Subnautica 2 |
|---|---|---|
| GameValio scoreRecommendation: Wait for Sale × Maybe | 43 | 55 |
| Quality | 55 | 74 |
| Value | 42 | 40 |
| Popularity | 27 | 42 |
| Current Best Price (BRL) | R$ 54.76 | R$ 119.99 |
| Steam Review Score | 64.1% positive | 91.3% positive |
| Average Concurrent Players (14 days) | 36 | 1.8K |
Where to buy
The 3 cheapest stores for each game
Project Castaway
Subnautica 2
Side by side over time
Project CastawaySubnautica 2
Details and requirements
| Item | Project Castaway | Subnautica 2 |
|---|---|---|
| Release date | March 17, 2026 | May 14, 2026 |
| Developers | Mardonpol Inc. | Unknown Worlds Entertainment |
| Publishers | Mardonpol Inc. | Unknown Worlds Entertainment |
| Platforms | Linux, Windows | Windows |
| OS (minimum) | Windows 10 | Windows 11 |
| Processor (minimum) | Intel Core i5-9400 or equivalent CPU | Intel Core i7-13700 / AMD Ryzen 7 7700X |
| Memory (minimum) | 12 GB RAM | 16 GB RAM |
| Graphics (minimum) | NVidia GeForce RTX 2060 or AMD equivalent | Geforce RTX 3070 8GB / RX 6700 XT 8GB |
| Storage (minimum) | 5 GB available space | 50 GB available space |
| Additional Notes (minimum) | Does not work well with integrated GPUs | Requires a 64-bit processor and operating system |
Frequently asked questions
Which is better: Project Castaway or Subnautica 2?
Subnautica 2 won the comparison against Project Castaway based on the head-to-head metric breakdown. Check the metrics table above for a full side-by-side analysis.
How is the comparison calculated?
The comparison winner is determined objectively by counting which game wins more individual metrics in the head-to-head table. No weighting is applied. The GameValio Recommendation shown separately is our own suggestion for each game, based on a weighted score that combines quality (reviews), popularity (player counts), and affordability (price vs value) into a score out of 100. These are two different things: the comparison is objective, the recommendation is GameValio's opinion.
Is Project Castaway worth buying over Subnautica 2?
Based on the metrics, Subnautica 2 won the direct comparison. However, also check the GameValio Recommendation for each game and the price comparison table to make the most informed purchase decision.
Which game has better player reviews?
Review score trends and volume over time are shown in the charts section above. The game with consistently higher positive ratios has stronger community reception.
Which game offers better value for money?
The affordability score and price comparison table above highlight the best deals. Project Castaway currently scores better on value relative to its quality and price.
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Analysis updated: Oct 24, 2026, 04:33 PM UTC