Choose Cardboard Conquest
Choose Cardboard Conquest if you want an Early Access experience. Cardboard Conquest launched in 2027.
Cardboard Conquest vs SIDExLINES
Cardboard Conquest and SIDExLINES both land in 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 Strategy, Indie on Steam. 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 SIDExLINES
Choose SIDExLINES if you want a Casual game with Custom Volume Controls, Chat Text-to-speech, and Playable without Timed Input.
Both Cardboard Conquest and SIDExLINES sit in Strategy and Indie on Steam and both list Multi-player, Online Co-op, and LAN 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
 Cardboard Conquest |  SIDExLINES | |
|---|---|---|
| Released | 2027 | — |
| Genres | Strategy, Indie, Early Access | Strategy, Indie, Casual |
| Platforms | Windows, macOS, Linux | Windows, Linux |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | Paul Booth | Rachimon |
Side by side
- Both share Strategy, Indie on Steam.
- Both support cooperative play.
Cardboard Conquest vs SIDExLINES — FAQ
- Are Cardboard Conquest and SIDExLINES similar?
- They overlap on 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.
- Do both Cardboard Conquest and SIDExLINES have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Cardboard Conquest ships Online Co-op, LAN Co-op; SIDExLINES ships Online Co-op, LAN Co-op.