These are in no specific order, and everything is from memory... which is a loooong time back. This is definitely incomplete.

I added thumb-up and -down here as well, even though there weren't any Steam reviews back then. But, I still had an opinion about these games, of course.

• Borderlands (GOTY)
  
  • completed (👍)
    
  • Trailer (main game)
    
  • Trailer (main game)
    
  • DLC Trailer: Dr Ned
    
  • DLC Trailer: Mad Moxxi
    
  • DLC Trailer: General Knoxx
  
  
• Enclave
  
  • completed (👍)
    
  • Trailer
  
  
• Re-Volt[en.wikipedia.org]
  
  • completed (👍)
  
  
• Carmageddon TDR 2000
  
  • completed (👍)
  
  
• Drakan - Order of the Flame[en.wikipedia.org]
  
  • completed (👍)
  
  
• Diablo[en.wikipedia.org]
  
  • dropped (I think) (👎 )
  
  
• Diablo II[en.wikipedia.org] (including Lord of Destruction)
  
  • completed (👍)
  
  
• Warcraft: Orcs & Humans[en.wikipedia.org]
  
  • dropped (I think) (👎 )
  
  
• Warcraft II: Tides of Darkness[en.wikipedia.org]
  
  • completed (👍)
  
  
• Warcraft II: Beyond the Dark Portal[en.wikipedia.org]
  
  • completed (👍)
  
  
• Warcraft III: Reign of Chaos[en.wikipedia.org]
  
  • dropped (👎 )