Size Matters
57 achievements
Ultra Rare×15
Very Rare×25
Rare×10
Uncommon×5
Common×2
About Size Matters's achievements
Size Matters has 57 Steam achievements, 15 of them ultra-rare — unlocked by under 5% of players. The rarest is "Chemical Reverter Expert!", earned by just 4.4% of players. 6 SteamVault members have 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
4.4%
of players earned "Chemical Reverter Expert!"
SteamVault 100%s
6
members fully completed it
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Size Matters achievements
57 achievements
Ultra Rare4.4%
Ultra Rare4.5%
Ultra Rare4.6%
Ultra Rare4.6%
Ultra Rare4.7%
Ultra Rare4.7%
Ultra Rare4.7%
Ultra Rare4.8%
Ultra Rare4.8%
Ultra Rare4.8%
Ultra Rare4.8%
Ultra Rare4.9%
Ultra Rare4.9%
Ultra Rare4.9%
Ultra Rare5.0%
Very Rare5.3%
Very Rare5.3%
Very Rare5.4%
Very Rare5.4%
Very Rare5.5%
Very Rare5.8%
Very Rare6.2%
Very Rare6.3%
Very Rare6.3%
Very Rare7.2%
Very Rare7.3%
Very Rare7.3%
Very Rare7.4%
Very Rare8.0%
Very Rare8.1%
Very Rare8.3%
Very Rare9.4%
Very Rare10.0%
Very Rare10.3%
Very Rare11.2%
Very Rare11.9%
Very Rare12.2%
Very Rare13.1%
Very Rare14.4%
Very Rare15.0%
Rare15.5%
Rare17.1%
Rare17.3%
Rare19.2%
Rare19.5%
Rare19.5%
Rare21.1%
Rare23.7%
Rare24.2%
Rare28.2%
Uncommon35.0%
Uncommon37.1%
Uncommon38.9%
Uncommon42.5%
Uncommon47.8%
Common51.1%
Common62.6%