Choose Call of Duty®: Vanguard
Choose Call of Duty®: Vanguard if you want the Multi-player, Online PvP, and Online Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 1,426 Steam reviews back the pick.
Call of Duty®: Vanguard vs TheoSync
Call of Duty®: Vanguard and TheoSync both land in Action 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 Action games on Steam. Call of Duty®: Vanguard (2023) is 3 years older than TheoSync (2026). TheoSync is currently ~81% cheaper on Steam than Call of Duty®: Vanguard (11.69 USD vs. 59.99 USD). 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 TheoSync
Choose TheoSync if you want an Indie and Early Access game with Subtitle Options, Camera Comfort, and Custom Volume Controls. On Steam, it's currently about 81% cheaper on the Steam Store. TheoSync launched in 2026.
Both Call of Duty®: Vanguard and TheoSync sit in Action 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
 Call of Duty®: Vanguard |  TheoSync | |
|---|---|---|
| Released | 2023 | 2026 |
| Genres | Action | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 59.99 USD | 11.69 USD |
| Steam reviews | 67.1% positive (1,426 reviews) | 7 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Sledgehammer Games, Treyarch, High Moon Studios, Raven Software, Beenox, Demonware | Zoma Games |
Side by side
- Both are Action games on Steam.
- Call of Duty®: Vanguard (2023) is 3 years older than TheoSync (2026).
- TheoSync is currently ~81% cheaper on Steam than Call of Duty®: Vanguard (11.69 USD vs. 59.99 USD).
- Call of Duty®: Vanguard has co-op; TheoSync does not.
- Call of Duty®: Vanguard is Deck Unsupported on Steam Deck; TheoSync has no Deck rating yet.
Call of Duty®: Vanguard vs TheoSync — FAQ
- Should I play Call of Duty®: Vanguard or TheoSync first?
- If you want chronology, Call of Duty®: Vanguard (2023) came out before TheoSync (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 Call of Duty®: Vanguard and TheoSync similar?
- They overlap on Action 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 TheoSync have multiplayer like Call of Duty®: Vanguard?
- No. Call of Duty®: Vanguard supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while TheoSync is listed as single-player only.