Choose Main Assembly
Choose Main Assembly if you want the Multi-player, Online PvP, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. Main Assembly launched in 2021.
Main Assembly vs Plasma
Main Assembly and Plasma both land in 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 are Simulation games on Steam. Main Assembly (2021) is 2 years older than Plasma (2023). Plasma scores higher on Steam reviews (90.4% positive) than Main Assembly (84.2% 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 Plasma
Choose Plasma if you want an Indie and Free To Play experience. On Steam, it carries the stronger Steam consensus at 90.4% positive across 779 reviews.
Both Main Assembly and Plasma sit in 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
 Main Assembly |  Plasma | |
|---|---|---|
| Released | 2021 | 2023 |
| Genres | Simulation | Indie, Simulation, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Deck Unsupported |
| Price | 19.99 USD | Free to play |
| Steam reviews | 84.2% positive (745 reviews) | 90.4% positive (779 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Bad Yolk Games | Dry Cactus, Licorice ehf |
Side by side
- Both are Simulation games on Steam.
- Main Assembly (2021) is 2 years older than Plasma (2023).
- Plasma scores higher on Steam reviews (90.4% positive) than Main Assembly (84.2% positive).
- Plasma is free; Main Assembly is paid (19.99 USD).
- Main Assembly has co-op; Plasma does not.
- Steam Deck: Main Assembly is Deck Playable, Plasma is Deck Unsupported.
Main Assembly vs Plasma — FAQ
- Which is better, Main Assembly or Plasma?
- On Steam reviews Plasma scores higher (90.4% positive) than Main Assembly (84.2% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Plasma is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Main Assembly or Plasma first?
- If you want chronology, Main Assembly (2021) came out before Plasma (2023). 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 Main Assembly and Plasma similar?
- They overlap on 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.
- Does Plasma have multiplayer like Main Assembly?
- No. Main Assembly supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Plasma is listed as single-player only.
- Is Plasma free?
- Yes — Plasma is a free-to-play Steam title. Main Assembly is paid (19.99 USD).