Choose Chillquarium
Choose Chillquarium if it matches what drew you to this matchup. 5,119 Steam reviews back the pick.
Chillquarium vs Molluscarium
Chillquarium and Molluscarium both land in Simulation, 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 share Simulation, Casual on Steam. Chillquarium (2023) is 3 years older than Molluscarium (2026). Chillquarium is Deck Playable on Steam Deck; Molluscarium has no Deck rating yet. 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 Molluscarium
Choose Molluscarium if you want an Indie game with Steam Leaderboards, Custom Volume Controls, and Stereo Sound. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Molluscarium launched in 2026.
Both Chillquarium and Molluscarium sit in Simulation and 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
 Chillquarium |  Molluscarium | |
|---|---|---|
| Released | 2023 | 2026 |
| Genres | Simulation, Casual | Indie, Simulation, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 5.99 USD | Price unknown |
| Steam reviews | 94% positive (5,119 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Ben Reber | Ahmet Babagil |
Side by side
- Both share Simulation, Casual on Steam.
- Chillquarium (2023) is 3 years older than Molluscarium (2026).
- Chillquarium is Deck Playable on Steam Deck; Molluscarium has no Deck rating yet.
Chillquarium vs Molluscarium — FAQ
- Should I play Chillquarium or Molluscarium first?
- If you want chronology, Chillquarium (2023) came out before Molluscarium (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 Chillquarium and Molluscarium similar?
- They overlap on Simulation, 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.
- Does Chillquarium run on Steam Deck?
- Yes — Chillquarium is rated Deck Playable by Valve. Molluscarium doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.