Choose Lone Fungus
Choose Lone Fungus if it matches what drew you to this matchup. Lone Fungus launched in 2023.
Lone Fungus vs Cosmobreeder Yiffai
Lone Fungus and Cosmobreeder Yiffai both land in Action, Indie, Adventure 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 Action, Indie, Adventure on Steam. Lone Fungus (2023) is 2 years older than Cosmobreeder Yiffai (2025). Both sit near 86% positive on Steam (Lone Fungus: 559 reviews, Cosmobreeder Yiffai: 105). 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 Cosmobreeder Yiffai
Choose Cosmobreeder Yiffai if it's currently about 25% cheaper on the Steam Store. Cosmobreeder Yiffai launched in 2025.
Both Lone Fungus and Cosmobreeder Yiffai sit in Action, Indie, and Adventure on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (86.6% vs 85.7% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Lone Fungus |  Cosmobreeder Yiffai | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Deck Verified |
| Price | 19.99 USD | 14.99 USD |
| Steam reviews | 86.6% positive (559 reviews) | 85.7% positive (105 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | BASTI GAMES | KEMOSHOCO |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Lone Fungus (2023) is 2 years older than Cosmobreeder Yiffai (2025).
- Both sit near 86% positive on Steam (Lone Fungus: 559 reviews, Cosmobreeder Yiffai: 105).
- Cosmobreeder Yiffai is currently ~25% cheaper on Steam than Lone Fungus (14.99 USD vs. 19.99 USD).
- Both are Deck Verified.
Lone Fungus vs Cosmobreeder Yiffai — FAQ
- Which is better, Lone Fungus or Cosmobreeder Yiffai?
- On Steam reviews the two are nearly tied: Lone Fungus sits at 86.6% positive (559 reviews), Cosmobreeder Yiffai at 85.7% (105). The choice usually comes down to genre fit and the platform features each one supports — see the comparison table above.
- Should I play Lone Fungus or Cosmobreeder Yiffai first?
- If you want chronology, Lone Fungus (2023) came out before Cosmobreeder Yiffai (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 Lone Fungus and Cosmobreeder Yiffai similar?
- They overlap on Action, Indie, Adventure 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.
- Do Lone Fungus and Cosmobreeder Yiffai both run on Steam Deck?
- Yes — both are Steam Deck Verified, meaning Valve confirms they run with full controller support, legible text, and default settings out of the box.