Choose Koi Zen: Opposite Colors
Choose Koi Zen: Opposite Colors if it matches what drew you to this matchup. Koi Zen: Opposite Colors launched in 2023.
Koi Zen: Opposite Colors vs Millumi
Koi Zen: Opposite Colors and Millumi both land in Casual on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Casual games on Steam. Koi Zen: Opposite Colors (2023) is 3 years older than Millumi (2026). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Millumi
Choose Millumi if it's the newer release (2026) and ships with the modern feature baseline. Millumi launched in 2026.
Both Koi Zen: Opposite Colors and Millumi sit in Casual on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Koi Zen: Opposite Colors |  Millumi | |
|---|---|---|
| Released | 2023 | 2026 |
| Genres | Casual | Casual |
| Platforms | Windows, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Unrated |
| Price | 2.99 USD | Price unknown |
| Steam reviews | 7 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Moon Mind Studio | Marcel Kuebler Software |
Side by side
- Both are Casual games on Steam.
- Koi Zen: Opposite Colors (2023) is 3 years older than Millumi (2026).
Koi Zen: Opposite Colors vs Millumi — FAQ
- Should I play Koi Zen: Opposite Colors or Millumi first?
- If you want chronology, Koi Zen: Opposite Colors (2023) came out before Millumi (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Koi Zen: Opposite Colors and Millumi similar?
- They overlap on Casual on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.