A Puzzle game by Rengame, released in 2025
Keep the good times rolling with a new entry in the Katamari Damacy series! In this puzzle action-adventure game, you'll roll your Katamari through time itself. Journey through the Jurassic Period, Ice Age, historic Japan, and more eras to rebuild the starry sky.
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The official download size for Once Upon a Katamari is 6 GB. Based on current hardware prices, this installation consumes approximately $0.36 worth of SSD storage space.
File Size
Est. SSD Cost
Estimated Time to Install
8 mins
Live player count and server population analysis.
There are currently 7 people playing Once Upon a Katamari, indicating a niche or private community. Coordinate via Discord for best results.
Manual backup locations for PC, Mac, and Linux.
SteamOS and Linux Proton performance analysis.
Don't let the "Unsupported" tag fool you. While Valve hasn't officially verified Once Upon a Katamari, ProtonDB users report it runs perfectly (Gold/Platinum rating). You may need to force a specific Proton version.
PC system requirements - Minimum vs Recommended specs.
To run Once Upon a Katamari smoothly, your PC needs at least 8 GB RAM RAM and a Nvidia GeForce GTX 750 Ti [2 GB] / AMD Radeon HD 7850 [2 GB] / Intel Arc A310 [4 GB] or equivalent GPU. Plan for 6 GB of storage.
Aggregated critic scores and player sentiment analysis.
Based on 5 critic reviews, Once Upon a Katamari has received generally positive feedback. With a solid score of 84, it stands out as a strong entry in the puzzle category, though it may have minor flaws.
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