Simple The Binding of Isaac: Repentance achievement unlocker build using Rust and Slint UI framework.
A simple and standalone achievement unlocker for The Binding of Isaac: Repentance with GUI and achievement search that could also be used for viewing specific savefile unlocked achievements and items.
NOTE: Works only on latest version of Isaac(1.7.9b) with all DLC's on Windows.
Go over to Releases page and grab latest version of unlocker. Unlocker will automatically find savefile folder. You can select savefile's, search for prefered achievement's, filter by unlockment, hover over achievement to read it description and see what items you collected in the selected save. Unlocker will remember savefile, and unlockment filter.
After selecting which achievements you want to unlock or lock just click the UNLOCK button and changes will be applied to selected savefile.