IMHO.

Who's That Flying?! vs Sine Mora

Who's That Flying?! and Sine Mora 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. Who's That Flying?! (2011) is 1 year older than Sine Mora (2012). Sine Mora scores higher on Steam reviews (83.7% positive) than Who's That Flying?! (68.4% 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 Who's That Flying?!

Choose Who's That Flying?! if you want a Casual experience. Who's That Flying?! launched in 2011.

Choose Sine Mora

Choose Sine Mora if it matches what drew you to this matchup. Sine Mora launched in 2012.

Both Who's That Flying?! and Sine Mora sit in Action and Indie on Steam and both list Steam Leaderboards, 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

Who's That Flying?! vs Sine Mora — Steam metadata comparison
Who's That Flying?! — Steam game coverWho's That Flying?!Sine Mora — Steam game coverSine Mora
Released20112012
GenresAction, Indie, CasualAction, Indie
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price5.99 USDPrice unknown
Steam reviews68.4% positive (79 reviews)83.7% positive (283 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersMediatonicDigital Reality

Side by side

Who's That Flying?! vs Sine Mora — FAQ

Should I play Who's That Flying?! or Sine Mora first?
If you want chronology, Who's That Flying?! (2011) came out before Sine Mora (2012). 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 Who's That Flying?! and Sine Mora 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.
Who's That Flying?! vs Sine Mora — Verdict (2026) · imho.run