Choose Plankton
Choose Plankton if you want a Casual experience. On Steam, it's currently about 51% cheaper on the Steam Store. Plankton launched in 2016.
Plankton vs 日记簿
Plankton and 日记簿 both land in Indie, 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 share Indie, Simulation on Steam. Plankton (2016) is 9 years older than 日记簿 (2025). Plankton is currently ~51% cheaper on Steam than 日记簿 (0.49 USD vs. 0.99 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 日记簿
Choose 日记簿 if you want a Strategy experience. On Steam, it's the newer release (2025) and ships with the modern feature baseline. 日记簿 launched in 2025.
Both Plankton and 日记簿 sit in Indie and Simulation 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
 Plankton |  日记簿 | |
|---|---|---|
| Released | 2016 | 2025 |
| Genres | Indie, Simulation, Casual | Strategy, Indie, Simulation |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.49 USD | 0.99 USD |
| Steam reviews | 78.9% positive (38 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | PanGuoJun | 白猫技研 MDGames |
Side by side
- Both share Indie, Simulation on Steam.
- Plankton (2016) is 9 years older than 日记簿 (2025).
- Plankton is currently ~51% cheaper on Steam than 日记簿 (0.49 USD vs. 0.99 USD).
Plankton vs 日记簿 — FAQ
- Should I play Plankton or 日记簿 first?
- If you want chronology, Plankton (2016) came out before 日记簿 (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 Plankton and 日记簿 similar?
- They overlap on Indie, 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.