Once Upon A KATAMARI

Overview

App ID1880620

Release dateOct 23, 2025

Last change number39897906

Last record update16 hours ago

App info

App type

Game

Developer

RENGAME

Publisher

Bandai Namco Entertainment Inc.

Steam profile

Counts toward game count and achievement totals · checked Nov 1, 2025

Franchise

Bandai Namco Entertainment Inc.

Platforms

Windows 64-bit

Steam Deck

Verified

Controller

Full support

Features

11

Full controller supportPlayStation controllersXbox controllersPlayStation controller BluetoothSteam AchievementsSteam CloudSingle-playerMulti-playerPvPOnline PvPFamily Sharing

Related apps

• FranchiseBandai Namco Entertainment Inc.

Patches

Builds

1

Build	Branch	Updated
23978161	public	Oct 7, 2026

Packages & DLC

DLCs

7

ID	Name	Price (US)
3644570	Not on the store yet	—
3644580	Not on the store yet	—
3644590	Not on the store yet	—
3644600	Not on the store yet	—
3728480	Not on the store yet	—
3839670	Not on the store yet	—
4463160	Not on the store yet	—

Depots

Depots

9

ID	Name	Systems	Size	Download	Manifest
228988	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
1880621	—	All	2.93 GB	2.35 GB	709420823023298611
1880622	—	All	—	—	—
3644570	— DLC 3644570	All	610.8 MB	590.2 MB	3818063009635453138
3644580	— DLC 3644580	All	358.6 MB	358.9 MB	2917185460247202248
3644590	— DLC 3644590	All	37.5 MB	37.5 MB	200137077103662778
3644600	— DLC 3644600	All	45.4 MB	45.4 MB	9197367625867658684
4463160	— DLC 4463160	All	140.4 MB	140.2 MB	1340971907745719692

Branches

1

Branch	Build	Updated	Access
public	23978161	Oct 7, 2026	Open

Configuration

Install foldersteamapps/common/OnceUponaKATAMARI

Launch options

1

Executable	Arguments	Systems	Description
OnceUponaKATAMARI.exe		Windows

Cloud saves

Space per player15.3 MB

Filesup to 4

Save locations1

Root	Path	Pattern	Systems
WinAppDataLocal	Bandai Namco Entertainment/Once Upon A KATAMARI/Saved/SaveGames/{Steam3AccountID}	*.bin	All