IMHO.

Monaco: What's Yours Is Mine vs One Against The Galaxy

Monaco: What's Yours Is Mine and One Against The Galaxy both land in Action, 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 Action, Indie, Casual on Steam. Monaco: What's Yours Is Mine (2013) is 4 years older than One Against The Galaxy (2017). One Against The Galaxy is currently ~93% cheaper on Steam than Monaco: What's Yours Is Mine (0.99 USD vs. 14.99 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 Monaco: What's Yours Is Mine

Choose Monaco: What's Yours Is Mine if you want a Strategy and Adventure game with Multi-player, Shared/Split Screen, and Steam Leaderboards. On Steam, it has co-op, so you can bring a friend. 2,547 Steam reviews back the pick.

Choose One Against The Galaxy

Choose One Against The Galaxy if it's currently about 93% cheaper on the Steam Store. One Against The Galaxy launched in 2017.

Both Monaco: What's Yours Is Mine and One Against The Galaxy sit in Action, Indie, and Casual 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

Monaco: What's Yours Is Mine vs One Against The Galaxy — Steam metadata comparison
Monaco: What's Yours Is Mine — Steam game coverMonaco: What's Yours Is MineOne Against The Galaxy — Steam game coverOne Against The Galaxy
Released20132017
GenresAction, Strategy, Indie, Adventure, CasualAction, Indie, Casual
PlatformsWindows, macOS, LinuxWindows
Steam DeckDeck PlayableUnrated
Price14.99 USD0.99 USD
Steam reviews92.4% positive (2,547 reviews)1 reviews
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opSingle-player only
DevelopersPocketwatch GamesEridanus Studio

Side by side

Monaco: What's Yours Is Mine vs One Against The Galaxy — FAQ

Should I play Monaco: What's Yours Is Mine or One Against The Galaxy first?
If you want chronology, Monaco: What's Yours Is Mine (2013) came out before One Against The Galaxy (2017). 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 One Against The Galaxy similar?
They overlap on Action, 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 One Against The Galaxy 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 One Against The Galaxy 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. One Against The Galaxy doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.