Choose _OUR_:_Defense 2021
Choose _OUR_:_Defense 2021 if you want a Casual experience. _OUR_:_Defense 2021 launched in 2020.
_OUR_:_Defense 2021 vs SYNCHRONIZERS: UNDEAD MARINES
_OUR_:_Defense 2021 and SYNCHRONIZERS: UNDEAD MARINES 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. 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 SYNCHRONIZERS: UNDEAD MARINES
Choose SYNCHRONIZERS: UNDEAD MARINES if you want an Action experience.
Both _OUR_:_Defense 2021 and SYNCHRONIZERS: UNDEAD MARINES sit in 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
 _OUR_:_Defense 2021 |  SYNCHRONIZERS: UNDEAD MARINES | |
|---|---|---|
| Released | 2020 | — |
| Genres | Strategy, Indie, Casual | Action, Strategy, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | M58 | Ale Navarro |
Side by side
- Both share Strategy, Indie on Steam.
_OUR_:_Defense 2021 vs SYNCHRONIZERS: UNDEAD MARINES — FAQ
- Are _OUR_:_Defense 2021 and SYNCHRONIZERS: UNDEAD MARINES 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.