Choose DODECIUM
Choose DODECIUM if you want a Strategy and Simulation game with Steam Leaderboards, Shared/Split Screen PvP, and PvP.
DODECIUM vs SMS Returns
DODECIUM and SMS Returns both land in Action, Indie, Adventure 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, Indie, Adventure 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 SMS Returns
Choose SMS Returns if you want the Online Co-op and LAN Co-op side of the pairing. SMS Returns launched in 2026.
Both DODECIUM and SMS Returns sit in Action, Indie, and Adventure on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen 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
 DODECIUM |  SMS Returns | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Strategy, Indie, Adventure, Simulation | Action, Indie, Adventure |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Online Co-op, Shared/Split Screen Co-op |
| Developers | MOSASOM | Marc Steene |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Both support cooperative play.
DODECIUM vs SMS Returns — FAQ
- Are DODECIUM and SMS Returns similar?
- They overlap on Action, Indie, Adventure 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 DODECIUM and SMS Returns have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: DODECIUM ships Shared/Split Screen Co-op, Co-op; SMS Returns ships Online Co-op, Shared/Split Screen Co-op.