Choose Chillquarium
Choose Chillquarium if you want a Casual experience. 5,119 Steam reviews back the pick.
Chillquarium vs Zen Aquarium
Chillquarium and Zen Aquarium both land in Simulation 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 Simulation games on Steam. Chillquarium (2023) is 2 years older than Zen Aquarium (2025). Both sit near 94% positive on Steam (Chillquarium: 5,119 reviews, Zen Aquarium: 120). 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 Zen Aquarium
Choose Zen Aquarium if it matches what drew you to this matchup. Zen Aquarium launched in 2025.
Both Chillquarium and Zen Aquarium sit in Simulation on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (94% vs 94.2% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Chillquarium |  Zen Aquarium | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Simulation, Casual | Simulation |
| Platforms | Windows, macOS | Windows, macOS |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 5.99 USD | 4.99 USD |
| Steam reviews | 94% positive (5,119 reviews) | 94.2% positive (120 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Ben Reber | Astro Cat |
Side by side
- Both are Simulation games on Steam.
- Chillquarium (2023) is 2 years older than Zen Aquarium (2025).
- Both sit near 94% positive on Steam (Chillquarium: 5,119 reviews, Zen Aquarium: 120).
- Zen Aquarium is currently ~17% cheaper on Steam than Chillquarium (4.99 USD vs. 5.99 USD).
- Both are Deck Playable.
Chillquarium vs Zen Aquarium — FAQ
- Which is better, Chillquarium or Zen Aquarium?
- On Steam reviews the two are nearly tied: Chillquarium sits at 94% positive (5,119 reviews), Zen Aquarium at 94.2% (120). The choice usually comes down to genre fit and the platform features each one supports — see the comparison table above.
- Should I play Chillquarium or Zen Aquarium first?
- If you want chronology, Chillquarium (2023) came out before Zen Aquarium (2025). 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 Chillquarium and Zen Aquarium similar?
- They overlap on Simulation 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.