The better game is on the right, kind of a hard question though because I more often then not find sequels to be less than their predecessors . Sorted by Nintendo/Sony/Sega/PC platforms:
- Super Mario World
- The Legend of Zelda: A Link to the Past
- Super Mario Kart
- Star Fox
- Crash Bandicoot
- Uncharted: Drake's Fortune
- Sonic the Hedgehog
- Mortal Kombat
- Warcraft
- SimCity 2000
- Star Wars Dark Forces
- Age of Empires