Monaco: What's Yours Is Mine vs The Four Colour Theorem
Monaco: What's Yours Is Mine and The Four Colour Theorem both land in Indie, Casual 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 Indie, Casual on Steam. Monaco: What's Yours Is Mine (2013) is 5 years older than The Four Colour Theorem (2018). Both sit near 92% positive on Steam (Monaco: What's Yours Is Mine: 2,547 reviews, The Four Colour Theorem: 12). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Side-by-side comparison
 Monaco: What's Yours Is Mine |  The Four Colour Theorem | |
|---|---|---|
| Released | 2013 | 2018 |
| Genres | Action, Strategy, Indie, Adventure, Casual | Indie, Casual |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 14.99 USD | 0.99 USD |
| Steam reviews | 92.4% positive (2,547 reviews) | 91.7% positive (12 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Single-player only |
| Developers | Pocketwatch Games | Jon Pennant |
Side by side
- Both share Indie, Casual on Steam.
- Monaco: What's Yours Is Mine (2013) is 5 years older than The Four Colour Theorem (2018).
- Both sit near 92% positive on Steam (Monaco: What's Yours Is Mine: 2,547 reviews, The Four Colour Theorem: 12).
- The Four Colour Theorem is currently ~93% cheaper on Steam than Monaco: What's Yours Is Mine (0.99 USD vs. 14.99 USD).
- Monaco: What's Yours Is Mine has co-op; The Four Colour Theorem does not.
- Monaco: What's Yours Is Mine is Deck Playable on Steam Deck; The Four Colour Theorem has no Deck rating yet.
Monaco: What's Yours Is Mine vs The Four Colour Theorem — FAQ
- Should I play Monaco: What's Yours Is Mine or The Four Colour Theorem first?
- If you want chronology, Monaco: What's Yours Is Mine (2013) came out before The Four Colour Theorem (2018). 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 Monaco: What's Yours Is Mine and The Four Colour Theorem similar?
- They overlap on Indie, Casual 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 The Four Colour Theorem have multiplayer like Monaco: What's Yours Is Mine?
- No. Monaco: What's Yours Is Mine supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while The Four Colour Theorem is listed as single-player only.
- Does Monaco: What's Yours Is Mine run on Steam Deck?
- Yes — Monaco: What's Yours Is Mine is rated Deck Playable by Valve. The Four Colour Theorem doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.