Choose Eternal Warfare
Choose Eternal Warfare if you want the Shared/Split Screen, Shared/Split Screen PvP, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. Eternal Warfare launched in 2021.
Eternal Warfare vs DOCTRINEERS
Eternal Warfare and DOCTRINEERS both land in Strategy 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 Strategy games on Steam. Eternal Warfare (2021) is 5 years older than DOCTRINEERS (2026). Eternal Warfare has co-op; DOCTRINEERS does not. 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 DOCTRINEERS
Choose DOCTRINEERS if you want an Indie game with Adjustable Text Size, Camera Comfort, and Custom Volume Controls. On Steam, it's the newer release (2026) and ships with the modern feature baseline. DOCTRINEERS launched in 2026.
Both Eternal Warfare and DOCTRINEERS sit in Strategy on Steam and both list Multi-player, Online PvP, and LAN PvP, 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
 Eternal Warfare |  DOCTRINEERS | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Strategy | Strategy, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 11.99 USD | Price unknown |
| Steam reviews | 100% positive (12 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Shared/Split Screen Co-op | Multi-player |
| Developers | Space.cpp | Discontinuity Games |
Side by side
- Both are Strategy games on Steam.
- Eternal Warfare (2021) is 5 years older than DOCTRINEERS (2026).
- Eternal Warfare has co-op; DOCTRINEERS does not.
- Eternal Warfare is Deck Playable on Steam Deck; DOCTRINEERS has no Deck rating yet.
Eternal Warfare vs DOCTRINEERS — FAQ
- Should I play Eternal Warfare or DOCTRINEERS first?
- If you want chronology, Eternal Warfare (2021) came out before DOCTRINEERS (2026). 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 Eternal Warfare and DOCTRINEERS similar?
- They overlap on Strategy 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 Eternal Warfare run on Steam Deck?
- Yes — Eternal Warfare is rated Deck Playable by Valve. DOCTRINEERS doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.