Stab five blind enemies in the back

Return to the crashed ship

Fully Upgrade One Weapon

Grab twenty-five enemies with the GRP

Use GRP to kill an enemy by throwing them into an environmental hazard

See what the others have to say.

A little curiosity never killed the cat.

Do not allow the serpent to fill you with doubt.

Receive guidance from Elohim's messengers.

That's what axes are for!

Get everything on your own.

Stand on your own two shoulders.

Successfully engage in co-op mode with yourself.