Once Again vs OPUS: The Day We Found Earth
Which one is worth buying now, with today's prices and each game's recommendation.
Once Again wins 7 of 13 head-to-head metrics. Once Again is $3.45 cheaper.
Metric by metric
The winner of each row gets a ✓. No row weighs more than another; the recommendation is calculated separately.
| Metric | Once Again | OPUS: The Day We Found Earth |
|---|---|---|
| GameValio scoreRecommendation: Maybe × Wait for Sale | 60 | 48 |
| Quality | 72 | 70 |
| Value | 54 | 40 |
| Popularity | 48 | 26 |
| Current Best Price (USD) | $3.10 | $6.55 |
| Steam Review Score | 90.4% positive | 87.1% positive |
| Average Concurrent Players (14 days) | 0 | 1 |
Where to buy
The 3 cheapest stores for each game
Side by side over time
Once AgainOPUS: The Day We Found Earth
Details and requirements
| Item | Once Again | OPUS: The Day We Found Earth |
|---|---|---|
| Release date | October 3, 2022 | April 22, 2016 |
| Developers | RB Wolf Design | SIGONO INC. |
| Publishers | RB Wolf Games | SIGONO INC. |
| Platforms | Windows, MacOs | Windows, MacOs |
| OS (minimum) | Windows 10 | — |
| Processor (minimum) | 2.8 GHz or faster processor | — |
| Memory (minimum) | 1 GB RAM | — |
| Graphics (minimum) | Direct X 10 compatible video card | — |
| DirectX (minimum) | Version 10 | — |
| Storage (minimum) | 2 GB available space | — |
Frequently asked questions
Which is better: Once Again or OPUS: The Day We Found Earth?
Once Again won the comparison against OPUS: The Day We Found Earth 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 Once Again worth buying over OPUS: The Day We Found Earth?
Based on the metrics, Once Again 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. Once Again currently scores better on value relative to its quality and price.
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Analysis updated: Oct 24, 2026, 05:26 PM UTC