Play through and finish the Entry Tests

Kill an enemy, knifing them with a gun blade.

Reach level 2.

Customize a weapon.

The truth was out there all along!

It takes two to… torture.

Construct an item

Collect an archive log

GTA Online: Reach Rank 25.

GTA Online: Finish a Gang Attack without dying and kill at least 10 enemies.

Get a 20x combo

Kill 500 enemies

Unlock Milestone V on the Slayer's Path