IMHO.

Letter-Setter vs Inside the Box

Letter-Setter and Inside the Box 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. Letter-Setter (2017) is 3 years older than Inside the Box (2020). Letter-Setter is currently ~70% cheaper on Steam than Inside the Box (0.59 USD vs. 1.99 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 Letter-Setter

Choose Letter-Setter if it's currently about 70% cheaper on the Steam Store. Letter-Setter launched in 2017.

Choose Inside the Box

Choose Inside the Box if it's the newer release (2020) and ships with the modern feature baseline. Inside the Box launched in 2020.

Both Letter-Setter and Inside the Box sit in Indie and Casual 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

Letter-Setter vs Inside the Box — Steam metadata comparison
Letter-Setter — Steam game coverLetter-SetterInside the Box — Steam game coverInside the Box
Released20172020
GenresIndie, CasualIndie, Casual
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price0.59 USD1.99 USD
Steam reviews3 reviews3 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersBeaver DrummerAlexander Tavintsev

Side by side

Letter-Setter vs Inside the Box — FAQ

Should I play Letter-Setter or Inside the Box first?
If you want chronology, Letter-Setter (2017) came out before Inside the Box (2020). 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 Letter-Setter and Inside the Box 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.
Letter-Setter vs Inside the Box — Verdict (2026) · imho.run