https://f95zone.to/threads/f95checker-willyjl.44173/
bookmark first post, add a note or a tag for filtering
watch thread and disable notifications for it in preferences
backloggery or a similar service
vndb if you play a lot of vns
spreadsheet or a text file with a list of games you like, date/last version played, and a rating or a short note
folder with a sample screenshot of each game to jog your memory, with the title and a rating in the filename
ignore thread (up to 1000 can be hidden, above that they'll show up as grayed out)
bookmark first post, add a note or a tag for filtering
backloggery or a similar service
vndb if you play a lot of vns
spreadsheet or a text file with a list of games you don't like and a note why
folder with a sample screenshot of each game to jog your memory, with the title and a rating in the filename