Choose Idle Tentacles
Choose Idle Tentacles if it's currently about 53% cheaper on the Steam Store. Idle Tentacles launched in 2021.
Idle Tentacles vs Fantasy Aquarium
Idle Tentacles and Fantasy Aquarium 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. Idle Tentacles (2021) is 3 years older than Fantasy Aquarium (2024). Idle Tentacles is currently ~53% cheaper on Steam than Fantasy Aquarium (0.99 USD vs. 2.09 USD). 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 Fantasy Aquarium
Choose Fantasy Aquarium if you want an Indie and Simulation experience. On Steam, it's the newer release (2024) and ships with the modern feature baseline. Fantasy Aquarium launched in 2024.
Both Idle Tentacles and Fantasy Aquarium 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
 Idle Tentacles |  Fantasy Aquarium | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Casual | Indie, Simulation, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 0.99 USD | 2.09 USD |
| Steam reviews | 2 reviews | 79.6% positive (93 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | tentacles game | MOON SCAPE |
Side by side
- Both are Casual games on Steam.
- Idle Tentacles (2021) is 3 years older than Fantasy Aquarium (2024).
- Idle Tentacles is currently ~53% cheaper on Steam than Fantasy Aquarium (0.99 USD vs. 2.09 USD).
- Fantasy Aquarium is Deck Playable on Steam Deck; Idle Tentacles has no Deck rating yet.
Idle Tentacles vs Fantasy Aquarium — FAQ
- Should I play Idle Tentacles or Fantasy Aquarium first?
- If you want chronology, Idle Tentacles (2021) came out before Fantasy Aquarium (2024). 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 Idle Tentacles and Fantasy Aquarium 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.