Serious Sam: Siberian Mayhem vs System Shock 2: 25th Anniversary Remaster
Which one is worth buying now, with today's prices and each game's recommendation.
Serious Sam: Siberian Mayhem wins 9 of 14 head-to-head metrics. Serious Sam: Siberian Mayhem is $0.60 cheaper.
Metric by metric
The winner of each row gets a ✓. No row weighs more than another; the recommendation is calculated separately.
| Metric | Serious Sam: Siberian Mayhem | System Shock 2: 25th Anniversary Remaster |
|---|---|---|
| GameValio scoreRecommendation: Maybe × Maybe | 65 | 67 |
| Quality | 83 | 86 |
| Value | 73 | 79 |
| Popularity | 30 | 27 |
| Current Best Price (USD) | $6.79 | $7.39 |
| Steam Review Score | 92.7% positive | 87.5% positive |
| Average Concurrent Players (14 days) | 26 | 33 |
Where to buy
The 3 cheapest stores for each game
Serious Sam: Siberian Mayhem
Loaded Cheapest Authorized reseller$6.79−66%Buy 
GAMIVO Key marketplace$6.85−66%Buy 
Kinguin Key marketplace$7.06−65%Buy System Shock 2: 25th Anniversary Remaster
Side by side over time
Serious Sam: Siberian MayhemSystem Shock 2: 25th Anniversary Remaster
Details and requirements
| Item | Serious Sam: Siberian Mayhem | System Shock 2: 25th Anniversary Remaster |
|---|---|---|
| Release date | January 25, 2022 | June 26, 2025 |
| Developers | Croteam, Timelock Studio | Nightdive Studios, Looking Glass Studios |
| Publishers | Devolver Digital | Nightdive Studios, Atari |
| Platforms | Windows | Windows |
| OS (minimum) | Windows 10 64-bit (1909) | Windows 10 (64-bit required) |
| Processor (minimum) | 8-core CPU @ 3.3 GHz | Intel Core i5-2300 2.8 GHz/AMD Phenom II X4 945 3.0 GHz or equivalent |
| Memory (minimum) | 16 GB RAM | 4 GB RAM |
| Graphics (minimum) | nVidia GeForce 1080/2060 or AMD Radeon Vega64/5700 (8 GB VRAM) | GPU with DirectX 11 or Vulkan 1.1 support |
| DirectX (minimum) | Version 11 | — |
| Storage (minimum) | 25 GB available space | 5 GB available space |
Frequently asked questions
Which is better: Serious Sam: Siberian Mayhem or System Shock 2: 25th Anniversary Remaster?
Serious Sam: Siberian Mayhem won the comparison against System Shock 2: 25th Anniversary Remaster 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 Serious Sam: Siberian Mayhem worth buying over System Shock 2: 25th Anniversary Remaster?
Based on the metrics, Serious Sam: Siberian Mayhem 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. System Shock 2: 25th Anniversary Remaster currently scores better on value relative to its quality and price.
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Analysis updated: Oct 24, 2026, 04:16 PM UTC