100% achievement guide for Fall of Porcupine! This has been translated by me, the original creator and guide maker will be listed below  

As of right now, Steam Cloud is not enabled for Fall of Porcupine. This can be particularly problematic if you play across different devices. However, on Windows, there is a manual workaround that can be considered as an "easy way" to achieve this. 

Может содержать в себе тьму спойлеров, поэтому перед прочтением рекомендую пройти игру, чтобы не испортить себе впечатления. 

Full Walkthrough in case you get stuck you can use this video as a guide