Tag 100 enemies

Defeat Olaf, the Skellige champion of unarmed combat.

Complete the subplot about choosing Skellige's ruler.

Use the Axii Sign to force one opponent to kill another. Do this 20 times.

Win a round of gwent using only neutral cards.

Complete the contract on Sarasti.

Resolve the doppler problem in Novigrad.

Kill 50 opponents using the environment (e.g. swamp gas, insects or objects).

Find the baron's wife and daughter.

Kill 5 enemies in a row with a sneak kill without being discovered.

Complete the game on Casual difficulty.

Remove an invisible enemy from the equation.