Sinless + OST
31 achievements
Ultra Rare×22
Very Rare×9
About Sinless + OST's achievements
Sinless + OST has 31 Steam achievements, 22 of them ultra-rare — unlocked by under 5% of players. The rarest is "Legenendary Smasher", earned by just 3.6% of players. 4 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
3.6%
of players earned "Legenendary Smasher"
SteamVault 100%s
4
members fully completed it
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
Want to rate Sinless + OST? Sign in with Steam — one rating per person.
ℹ️Showing global unlock rates. Sign in with Steam to see your personal progress.
All Sinless + OST achievements
31 achievements
Ultra Rare3.6%
Ultra Rare3.6%
Ultra Rare3.7%
Ultra Rare3.7%
Ultra Rare3.8%
Ultra Rare3.9%
Ultra Rare4.1%
Ultra Rare4.2%
Ultra Rare4.2%
Ultra Rare4.2%
Ultra Rare4.2%
Ultra Rare4.3%
Ultra Rare4.3%
Ultra Rare4.4%
Ultra Rare4.4%
Ultra Rare4.5%
Ultra Rare4.5%
Ultra Rare4.7%
Ultra Rare4.7%
Ultra Rare4.9%
Ultra Rare5.0%
Ultra Rare5.0%
Very Rare5.4%
Very Rare6.0%
Very Rare6.2%
Very Rare6.3%
Very Rare6.6%
Very Rare7.0%
Very Rare7.3%
Very Rare7.6%
Very Rare7.8%