IMHO.

Monument vs CASTILLO: The Nine Circles

Monument and CASTILLO: The Nine Circles both land in Action, 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 Action, Indie on Steam. Monument (2015) is 8 years older than CASTILLO: The Nine Circles (2023). CASTILLO: The Nine Circles scores higher on Steam reviews (100% positive) than Monument (72% positive). 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 Monument

Choose Monument if it's currently about 80% cheaper on the Steam Store. Monument launched in 2015.

Choose CASTILLO: The Nine Circles

Choose CASTILLO: The Nine Circles if it's the newer release (2023) and ships with the modern feature baseline. CASTILLO: The Nine Circles launched in 2023.

Both Monument and CASTILLO: The Nine Circles sit in Action 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

Monument vs CASTILLO: The Nine Circles — Steam metadata comparison
Monument — Steam game coverMonumentCASTILLO: The Nine Circles — Steam game coverCASTILLO: The Nine Circles
Released20152023
GenresAction, IndieAction, Indie
PlatformsWindows, macOS, LinuxWindows, macOS, Linux
Steam DeckDeck VerifiedDeck Playable
Price1.99 USD9.99 USD
Steam reviews72% positive (447 reviews)100% positive (20 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersAndrei IvashentsevJackson Clayton

Side by side

Monument vs CASTILLO: The Nine Circles — FAQ

Should I play Monument or CASTILLO: The Nine Circles first?
If you want chronology, Monument (2015) came out before CASTILLO: The Nine Circles (2023). 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 Monument and CASTILLO: The Nine Circles similar?
They overlap on Action, 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.
Monument vs CASTILLO: The Nine Circles — Verdict (2026) · imho.run