no save challenge

https://charlie-wiki.win/index.php/Sevastopol_Station_Walkthrough:_A_Practical_Guide_for_New_Players

The no save challenge is where you play a game or edit a document without ever using the save function, relying entirely on autosaves or starting over if something goes wrong. It creates a tense, high-stakes experience that forces you to think carefully before making any move, knowing one mistake could mean losing progress. It's a test of concentration and resilience.