Choose The World of a Mermaid
Choose The World of a Mermaid if you want a Sports and Simulation experience. The World of a Mermaid launched in 2022.
The World of a Mermaid vs Terrarium II
The World of a Mermaid and Terrarium II both land in Indie, Adventure, 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 Indie, Adventure, Casual on Steam. The World of a Mermaid (2022) is 4 years older than Terrarium II (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 Terrarium II
Choose Terrarium II if it's the newer release (2026) and ships with the modern feature baseline. Terrarium II launched in 2026.
Both The World of a Mermaid and Terrarium II sit in Indie, Adventure, 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
 The World of a Mermaid |  Terrarium II | |
|---|---|---|
| Released | 2022 | 2026 |
| Genres | Sports, Indie, Adventure, Simulation, Casual | Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | Price unknown |
| Steam reviews | 8 reviews | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | — | Nicole Moon Bole |
Side by side
- Both share Indie, Adventure, Casual on Steam.
- The World of a Mermaid (2022) is 4 years older than Terrarium II (2026).
The World of a Mermaid vs Terrarium II — FAQ
- Should I play The World of a Mermaid or Terrarium II first?
- If you want chronology, The World of a Mermaid (2022) came out before Terrarium II (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 The World of a Mermaid and Terrarium II similar?
- They overlap on Indie, Adventure, 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.