The conversation between human and AI assistant.
What are the top ten PC games ever?
Can you recommend the top ten PC games ever?
Sure, here are my suggestions for the top ten PC games ever: 
1. Half-Life 2 
2. The Witcher 3: Wild Hunt 
3. Portal 2 
4. Minecraft 
5. Counter-Strike: Global Offensive 
6. World of Warcraft 
7. Grand Theft Auto V 
8. Mass Effect 2 
9. Sid Meier’s Civilization VI 
10. Starcraft II: Wings of Liberty