IMHO.

The Great C vs Once Upon a Sea

The Great C and Once Upon a Sea both land in Adventure, 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 Adventure, Casual on Steam. The Great C (2018) is 3 years older than Once Upon a Sea (2021). 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 The Great C

Choose The Great C if it matches what drew you to this matchup. The Great C launched in 2018.

Choose Once Upon a Sea

Choose Once Upon a Sea if it's the newer release (2021) and ships with the modern feature baseline. Once Upon a Sea launched in 2021.

Both The Great C and Once Upon a Sea sit in Adventure and Casual on Steam and both list Tracked Controller Support and VR Only, 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

The Great C vs Once Upon a Sea — Steam metadata comparison
The Great C — Steam game coverThe Great COnce Upon a Sea — Steam game coverOnce Upon a Sea
Released20182021
GenresAdventure, CasualAdventure, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
PricePrice unknown9.99 USD
Steam reviews86.4% positive (176 reviews)2 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersSecret Location Inc.Blimey Ltd.

Side by side

The Great C vs Once Upon a Sea — FAQ

Should I play The Great C or Once Upon a Sea first?
If you want chronology, The Great C (2018) came out before Once Upon a Sea (2021). 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 The Great C and Once Upon a Sea similar?
They overlap on Adventure, 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.
The Great C vs Once Upon a Sea — Verdict (2026) · imho.run