Modder ‘rejuvenate’ released Version 4.1 for the multiplayer online mod for The Witcher 3: Wild Hunt, Witcher Online. So, let’s see what this new update brings to the table. For those who did not know, Witcher Online is a mod that adds multiplayer to The Witcher 3. With this mod, players can join servers and play together with friends. You can customize your character with Custom Player Characters and relax in taverns using the Chill Out feature.