Once Upon A KATAMARI Cover Art

Once Upon A KATAMARI

Adventure 3.20 GB 995 views

Game Overview

A runaway ball of clutter becomes the answer to a cosmic disaster in this cheerful, gloriously strange adventure. After the King of All Cosmos accidentally wrecks Earth, the Moon, and other celestial bodies, the Prince must rebuild the night sky by rolling up everything in sight. Once Upon A KATAMARI sends its absurdly lovable premise across multiple periods of history, from dinosaur-filled prehistoric landscapes to the Ice Age and old Japan. The mood is bright, surreal, and playful, pairing tiny household objects and enormous landmarks with the series’ famously infectious musical energy.

Players guide the katamari through compact stages, collecting objects smaller than the ball before growing large enough to absorb increasingly ridiculous parts of the environment. A run begins with coins, food, toys, animals, and furniture, then can escalate into buildings, landscapes, and more as the katamari gains mass. New support items, including a magnet that pulls nearby objects toward the rolling ball, add a fresh layer of control and help make dense stages easier to clear efficiently. Progress centers on meeting size targets, earning stronger results through quick and clean rolling, unlocking a huge roster of cousins, and customizing their colors and faces.

The appeal lies in the constant escalation: few games turn a casual stroll through a town into an event where a rolling sphere devours nearly everything on screen. Its time-traveling selection of worlds gives each stage a distinct visual joke and collection of objects, while the new soundtrack keeps the action lively rather than repetitive. KatamariBall also offers competitive online matches against other players alongside offline CPU challenges, providing an alternative to the usual score-chasing stages. Fans of Katamari Damacy and We Love Katamari will immediately recognize the satisfying chaos, while newcomers find an approachable, low-pressure adventure with enough weirdness and replay value to make every roll memorable.

Screenshots

Installation

  1. Click the green button below to be redirected to UploadHaven.
  2. Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
  3. Once downloaded, right-click the .zip file and choose “Extract to Once Upon A KATAMARI.” (You’ll need 7-Zip for this.)
  4. Open the extracted folder and run the game as administrator.
  5. Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.

System Requirements

  • Requires a 64-bit processor and operating system
  • OS: Windows 11
  • Processor: Intel Core i3-8100 /AMD Ryzen 3 3100
  • Memory: 6 GB RAM
  • Graphics: Nvidia GeForce GTX 550 Ti [1 GB] / AMD Radeon HD 7770 [2 GB]
  • DirectX: Version 12
  • Storage: 6 GB available space
  • Additional Notes: Estimated performance: 1080p/60fps with graphics settings at “Low”. Framerate might drop in graphics-intensive scenes.
Last Updated
Status
Online
Looking for a newer update? Request an update
Skip the browser next time Browse, download, extract, and organize your games with the SteamUnlocked Launcher.
Get the Launcher

Setup Guide & Troubleshooting

How do I fix missing DLL errors for Once Upon A KATAMARI?

After extracting Once Upon A KATAMARI, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 3.20 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Why should I run the game as administrator?

Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.

How do I update my GPU drivers for this game?

Once Upon A KATAMARI requires a Nvidia GeForce GTX 550 Ti [1 GB] / AMD Radeon HD 7770 [2 GB] or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

This game requires Version 12. Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.

My antivirus is blocking the game — is it safe?

Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
Looking for something else? Explore all games on SteamUnlocked
Saved to My Library View Library