version, this achievement often triggers automatically once you reach 276 secrets, regardless of which specific unlocks you have achieved.
Crucial Note: A true Binding of Isaac Repentance 1001 Save File is technically a misnomer. You cannot have "1001%" in Repentance because the game tracks up to "Dead God" (which is effectively ~120% of the old scale). However, the search term persists as legacy slang for "a fully completed Repentance save file." Binding Of Isaac Repentance 1001 Save File
: To earn the 1001% achievement traditionally, a player had to unlock every secret, collect every item added through the Afterbirth The Veteran Transfer: You had 1,000,000% completion in
Installing a pre-made save file (like a "Dead God" or "1001%" file) allows you to bypass the grind and access all items and characters immediately. Disable Steam Cloud: Right-click Isaac in Steam >
Disable Steam Cloud: Right-click Isaac in Steam > Properties > General > Toggle off Cloud Sync to prevent Steam from overwriting your new file.