Originally posted by xsv:

Originally posted by pipo.p:

According to file dates, the game has no such autosave. Only (auto) worldsaves, like on every half hour, and a save on disconnecting. I'd be curious to know if the date of the last saved game in your save folder corrrespond the time when you Alt-F4ed.

it definitely does. try it, destroy or build some stuff in your world. close the game via alt f4 or task manager. your world will have saved what happened moments before

This is likely due to F4 causing the game to exit, which triggers a save.