Choose Protocol
Choose Protocol if it's Steam Deck Verified, so handheld play works out of the box. Protocol launched in 2018.
Protocol vs Fireflies
Protocol and Fireflies 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. Both released in 2018. Protocol scores higher on Steam reviews (56.7% positive) than Fireflies (50% 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 Fireflies
Choose Fireflies if you want a Casual experience. On Steam, it's free to play, so the barrier to trying it is zero. Fireflies launched in 2018.
Both Protocol and Fireflies sit in Action, Indie, and Adventure 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
 Protocol |  Fireflies | |
|---|---|---|
| Released | 2018 | 2018 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Deck Playable |
| Price | 8.99 USD | Free to play |
| Steam reviews | 56.7% positive (30 reviews) | 50% positive (16 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Fair Games Studio | Sourabh P Hamigi |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Both released in 2018.
- Protocol scores higher on Steam reviews (56.7% positive) than Fireflies (50% positive).
- Fireflies is free; Protocol is paid (8.99 USD).
- Steam Deck: Protocol is Deck Verified, Fireflies is Deck Playable.
Protocol vs Fireflies — FAQ
- Are Protocol and Fireflies 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.
- Is Fireflies free?
- Yes — Fireflies is a free-to-play Steam title. Protocol is paid (8.99 USD).