Factorio Forums

If I get "So long and thanks for all the fish", do I still get the "Smoke me a kipper, I'll be back for breakfast" achievement?

Pretty sure you'll get both The winning "kipper" condition is simply launching a rocket and doesn't care about it's contents IIRC.

If unsure, save your game, and try. If it didn't work you can always reload.

Yes, and if you want to be cautious, save, and do both one after the other.
[Edit] : Ah lol too slow.