Choose Behind Glass: Aquarium Simulator
Choose Behind Glass: Aquarium Simulator if it matches what drew you to this matchup. Behind Glass: Aquarium Simulator launched in 2025.
Behind Glass: Aquarium Simulator vs Under the blue horizon
Behind Glass: Aquarium Simulator and Under the blue horizon both land in Indie, 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 Indie, Simulation, Casual on Steam. Under the blue horizon (2024) is 1 year older than Behind Glass: Aquarium Simulator (2025). Behind Glass: Aquarium Simulator scores higher on Steam reviews (94.1% positive) than Under the blue horizon (75% positive). 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 Under the blue horizon
Choose Under the blue horizon if it's currently about 60% cheaper on the Steam Store. Under the blue horizon launched in 2024.
Both Behind Glass: Aquarium Simulator and Under the blue horizon sit in Indie, 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
 Behind Glass: Aquarium Simulator |  Under the blue horizon | |
|---|---|---|
| Released | 2025 | 2024 |
| Genres | Indie, Simulation, Casual | Indie, Simulation, Casual |
| Platforms | Windows, macOS | Windows, macOS |
| Steam Deck | Deck Playable | Deck Playable |
| Price | 14.99 USD | 5.99 USD |
| Steam reviews | 94.1% positive (253 reviews) | 75% positive (20 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | BitBros Inc | Pavdup, Chyopa |
Side by side
- Both share Indie, Simulation, Casual on Steam.
- Under the blue horizon (2024) is 1 year older than Behind Glass: Aquarium Simulator (2025).
- Behind Glass: Aquarium Simulator scores higher on Steam reviews (94.1% positive) than Under the blue horizon (75% positive).
- Under the blue horizon is currently ~60% cheaper on Steam than Behind Glass: Aquarium Simulator (5.99 USD vs. 14.99 USD).
- Both are Deck Playable.
Behind Glass: Aquarium Simulator vs Under the blue horizon — FAQ
- Should I play Behind Glass: Aquarium Simulator or Under the blue horizon first?
- If you want chronology, Under the blue horizon (2024) came out before Behind Glass: Aquarium Simulator (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 Behind Glass: Aquarium Simulator and Under the blue horizon similar?
- They overlap on Indie, 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.