(I upgraded the save system from "playerprefs" to "indexedDB" a year or two ago and tried to maintain save compatibility but maybe I messed up. Alternatively, you might have fully cleared your browser cache in a way that wipes all indexedDB data.)
i think itch.io's servers just forget about my progress, it's happened before with your other game (factor crafter) and when i've tried commenting a lot of times itch.io always just told me that their servers were down
