Choose TrinityS
Choose TrinityS if you want an Indie and Casual experience. TrinityS launched in 2024.
TrinityS vs Firefly Trials
TrinityS and Firefly Trials both land in Action 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 Action games on Steam. Firefly Trials is free; TrinityS is paid (14.99 USD). Both support cooperative play. 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 Firefly Trials
Choose Firefly Trials if you want a RPG and Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero.
Both TrinityS and Firefly Trials sit in Action on Steam and both list Multi-player, Online Co-op, and Co-op, 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
 TrinityS |  Firefly Trials | |
|---|---|---|
| Released | 2024 | — |
| Genres | Action, Indie, Casual | Action, RPG, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | Free to play |
| Steam reviews | 80% positive (60 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Indie-us Games | Team Mochi |
Side by side
- Both are Action games on Steam.
- Firefly Trials is free; TrinityS is paid (14.99 USD).
- Both support cooperative play.
- TrinityS is Deck Playable on Steam Deck; Firefly Trials has no Deck rating yet.
TrinityS vs Firefly Trials — FAQ
- Are TrinityS and Firefly Trials similar?
- They overlap on Action 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 both TrinityS and Firefly Trials have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: TrinityS ships Online Co-op, Co-op; Firefly Trials ships Online Co-op, Co-op.
- Is Firefly Trials free?
- Yes — Firefly Trials is a free-to-play Steam title. TrinityS is paid (14.99 USD).
- Does TrinityS run on Steam Deck?
- Yes — TrinityS is rated Deck Playable by Valve. Firefly Trials doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.