The Mermaid Mask vs The Posthumous Investigation
Which one is worth buying now, with today's prices and each game's recommendation.
The Mermaid Mask wins 8 of 14 head-to-head metrics. The Posthumous Investigation is $4.75 cheaper.
Metric by metric
The winner of each row gets a ✓. No row weighs more than another; the recommendation is calculated separately.
| Metric | The Mermaid Mask | The Posthumous Investigation |
|---|---|---|
| GameValio scoreRecommendation: Maybe × Maybe | 63 | 62 |
| Quality | 79 | 86 |
| Value | 73 | 67 |
| Popularity | 28 | 22 |
| Current Best Price (USD) | $16.51 | $11.76 |
| Steam Review Score | 99.4% positive | 94% positive |
| Average Concurrent Players (14 days) | 49 | 9 |
Where to buy
The 3 cheapest stores for each game
Side by side over time
The Mermaid MaskThe Posthumous Investigation
Details and requirements
| Item | The Mermaid Mask | The Posthumous Investigation |
|---|---|---|
| Release date | July 16, 2026 | March 31, 2026 |
| Developers | SFB Games | Mother Gaia Studio |
| Publishers | SFB Games | Infini Fun, CriticalLeap |
| Platforms | Windows, MacOs | Windows, MacOs |
| OS (minimum) | — | Windows 10 |
| Processor (minimum) | — | Multi-core 2.5GHz or faster |
| Memory (minimum) | — | 8 GB RAM |
| Graphics (minimum) | — | NVIDIA GeForce GTX 1050 or equivalent |
| Storage (minimum) | — | 3 GB available space |
Frequently asked questions
Which is better: The Mermaid Mask or The Posthumous Investigation?
The Mermaid Mask won the comparison against The Posthumous Investigation 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 The Mermaid Mask worth buying over The Posthumous Investigation?
Based on the metrics, The Mermaid Mask 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. The Mermaid Mask currently scores better on value relative to its quality and price.
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Analysis updated: Oct 24, 2026, 12:16 PM UTC