HomeOnce Upon A KATAMARI
Once Upon A KATAMARI
RENGAME · published by Bandai Namco Entertainment Inc. · released Oct 23, 2025 · data updated Oct 24, 2026
by RENGAME, published by Bandai Namco Entertainment Inc.
Once upon a time a katamari rolled through both past and present. In this story across time, the adage endures: Let The Good Times Roll! Now onward through new worlds to roll up thy heart's desires and to restore
Released Oct 23, 2025
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Very Positive · 90% positive of 1,366 Steam reviews | Oct 24, 2026 |
| Followers on Steam | 8,598 | Oct 18, 2026 |
| Regular US price | $39.99 | Oct 19, 2026 |
| Twitch peak viewers | 41 | Oct 23, 2026 |
New Steam reviews per week
| Week | New positive | New negative |
|---|---|---|
| Week of Oct 30, 2025 | 119 | 10 |
| Week of Nov 6, 2025 | 63 | 2 |
| Week of Nov 13, 2025 | 42 | 9 |
| Week of Nov 20, 2025 | 179 | 4 |
| Week of Nov 27, 2025 | 82 | 3 |
| Week of Dec 4, 2025 | 15 | 0 |
| Week of Dec 11, 2025 | 37 | 11 |
| Week of Dec 18, 2025 | 22 | 3 |
| Week of Dec 25, 2025 | 26 | 6 |
| Week of Jan 1, 2026 | 29 | 4 |
| Week of Jan 8, 2026 | 12 | 2 |
| Week of Jan 15, 2026 | 13 | 3 |
| Week of Jan 22, 2026 | 8 | 0 |
| Week of Jan 29, 2026 | 7 | 1 |
| Week of Feb 5, 2026 | 7 | 1 |
| Week of Feb 12, 2026 | 7 | 2 |
| Week of Feb 19, 2026 | 5 | 1 |
| Week of Feb 26, 2026 | 2 | 0 |
| Week of Mar 5, 2026 | 8 | 5 |
| Week of Mar 12, 2026 | 4 | 2 |
| Week of Mar 19, 2026 | 8 | 0 |
| Week of Mar 26, 2026 | 5 | 0 |
| Week of Apr 2, 2026 | 4 | 1 |
| Week of Apr 9, 2026 | 1 | 0 |
| Week of Apr 16, 2026 | 1 | 0 |
| Week of Apr 23, 2026 | 4 | 0 |
| Week of Apr 30, 2026 | 4 | 1 |
| Week of May 7, 2026 | 3 | 0 |
| Week of May 14, 2026 | 3 | 0 |
| Week of May 21, 2026 | 4 | 0 |
| Week of May 28, 2026 | 4 | 1 |
| Week of Jun 4, 2026 | 3 | 0 |
| Week of Jun 18, 2026 | 0 | 0 |
| Week of Jun 25, 2026 | 5 | 2 |
| Week of Jul 2, 2026 | 7 | 3 |
| Week of Jul 9, 2026 | 7 | 2 |
| Week of Jul 16, 2026 | 9 | 1 |
| Week of Jul 23, 2026 | 5 | 0 |
| Week of Jul 30, 2026 | 3 | 0 |
| Week of Aug 6, 2026 | 3 | 1 |
| Week of Aug 13, 2026 | 6 | 0 |
| Week of Aug 20, 2026 | 5 | 1 |
| Week of Aug 27, 2026 | 1 | 0 |
| Week of Sep 3, 2026 | 1 | 1 |
| Week of Sep 10, 2026 | 1 | 4 |
| Week of Sep 17, 2026 | 2 | 1 |
| Week of Sep 24, 2026 | 4 | 0 |
| Week of Oct 1, 2026 | 2 | 0 |
| Week of Oct 8, 2026 | 4 | 3 |
| Week of Oct 15, 2026 | 2 | 1 |
Sales estimate
| Copies sold on Steam | 31k – 150k | |
|---|---|---|
| Gross revenue on Steam | $870k – $3M before refunds, tax and Steam’s cut | |
| Steam reviews by buyers | 1,366 | Oct 24, 2026 |
| Copies per review | 23–110 |
Estimates are based on an aggregation of industry-accepted conversion formulas. How this is estimated
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Tutorial | 1 in 45 games |
| Great Soundtrack | 1 in 46 games |
| Historical | 1 in 35 games |
| Character Customization | 1 in 15 games |
| Controller | 1 in 10 games |
| Multiplayer | 1 in 8 games |
| Funny | 1 in 8 games |
| Cute | 1 in 6 games |
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| Bygoner | BGNR (Solo Developer) | 62% | |
| Smithworks | Ardent Games | 57% | Very Positive · 2,328 |
| The Great Pickle Adventure | techkitchensink | 66% | 1 review |