User blog comment:Reapy The Reaper Leviathan/New Subnautica Challenge/@comment-35748056-20181124194505/@comment-31314436-20181125185546

You cannot beat the game, period. You need the Cyclops Shield Generator in order to construct the rocket, and to get that you need to craft the Cyclops.

Even if you get the Cyclops, if you don't get the knife, you can't get Silicone Rubber used to make Ion Power Cells to make the Neptune If you do get the knife, though, you need the scanner to scan for blueprints to get items.

Now, if you get "Nothing" and you get "Cyclops", you can beat the game, as you have everything necessary to do so.