Choose Iron Marines Invasion
Choose Iron Marines Invasion if it's a focused single-player run rather than a multiplayer commitment. Iron Marines Invasion launched in 2023.
Iron Marines Invasion vs Agon Protocol
Iron Marines Invasion and Agon Protocol both land in Action, Strategy, Indie 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, Strategy, Indie on Steam. Agon Protocol has co-op; Iron Marines Invasion does not. Iron Marines Invasion is Deck Playable on Steam Deck; Agon Protocol has no Deck rating yet. 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 Agon Protocol
Choose Agon Protocol if you want an Early Access game with Multi-player, Online PvP, and Online Co-op. On Steam, it has co-op, so you can bring a friend.
Both Iron Marines Invasion and Agon Protocol sit in Action, Strategy, and Indie 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
 Iron Marines Invasion |  Agon Protocol | |
|---|---|---|
| Released | 2023 | — |
| Genres | Action, Strategy, Indie | Action, Strategy, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 7.49 USD | Price unknown |
| Steam reviews | 70.3% positive (74 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Online Co-op, Co-op |
| Developers | Ironhide Game Studio | Atrimn |
Side by side
- Both share Action, Strategy, Indie on Steam.
- Agon Protocol has co-op; Iron Marines Invasion does not.
- Iron Marines Invasion is Deck Playable on Steam Deck; Agon Protocol has no Deck rating yet.
Iron Marines Invasion vs Agon Protocol — FAQ
- Are Iron Marines Invasion and Agon Protocol similar?
- They overlap on Action, Strategy, Indie 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 Iron Marines Invasion have multiplayer like Agon Protocol?
- No. Agon Protocol supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Iron Marines Invasion is listed as single-player only.
- Does Iron Marines Invasion run on Steam Deck?
- Yes — Iron Marines Invasion is rated Deck Playable by Valve. Agon Protocol doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.