IMHO.

One Line vs One Line: Letters and Codes

One Line and One Line: Letters and Codes 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. One Line (2021) is 1 year older than One Line: Letters and Codes (2022). One Line scores higher on Steam reviews (94.1% positive) than One Line: Letters and Codes (92.9% 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 One Line

Choose One Line if it matches what drew you to this matchup. One Line launched in 2021.

Choose One Line: Letters and Codes

Choose One Line: Letters and Codes if it's currently about 60% cheaper on the Steam Store. One Line: Letters and Codes launched in 2022.

Both One Line and One Line: Letters and Codes sit in Indie and Casual on Steam and both list Custom Volume Controls, Playable without Timed Input, and Mouse Only Option, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (94.1% vs 92.9% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.

Side-by-side comparison

One Line vs One Line: Letters and Codes — Steam metadata comparison
One Line — Steam game coverOne LineOne Line: Letters and Codes — Steam game coverOne Line: Letters and Codes
Released20212022
GenresIndie, CasualIndie, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price1.99 USD0.79 USD
Steam reviews94.1% positive (34 reviews)92.9% positive (28 reviews)
MultiplayerSingle-player onlySingle-player only
DevelopersClimbing Goat GamesClimbing Goat Games

Side by side

One Line vs One Line: Letters and Codes — FAQ

Should I play One Line or One Line: Letters and Codes first?
If you want chronology, One Line (2021) came out before One Line: Letters and Codes (2022). 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 One Line and One Line: Letters and Codes 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.
One Line vs One Line: Letters and Codes (2026) · imho.run