Gabe Newell
Net Worth: $1.3 billion
Company: Valve and Steam
Games: Half-Life, Portal, Left for Dead, Team Fortress, etc.
Markus "Notch" Persson
Net Worth: $1.3 billion
Company: Mojang (sold to Microsoft for $2.5 billion in cash)
Game: Minecraft
Marcus Pincus
Net Worth: $990 million
Company: Zynga
Game: Farmville, YoVille, etc.
Melvyn Morris
Net Worth: $627 million
Company: King Digital
Game: Candy Crush
Riccardo Zacconi
Net Worth: $548 million
Company: King Digital
Game: Candy Crush
Palmer Luckey
Net Worth: $500 million
Company: Oculus VR
Developing: Oculus Rift
Ilkka Paananen
Net Worth: $400
Company: Supercell
Game: Clash of Clans
Net Worth: $1.3 billion
Company: Valve and Steam
Games: Half-Life, Portal, Left for Dead, Team Fortress, etc.
Markus "Notch" Persson
Net Worth: $1.3 billion
Company: Mojang (sold to Microsoft for $2.5 billion in cash)
Game: Minecraft
Marcus Pincus
Net Worth: $990 million
Company: Zynga
Game: Farmville, YoVille, etc.
Melvyn Morris
Net Worth: $627 million
Company: King Digital
Game: Candy Crush
Riccardo Zacconi
Net Worth: $548 million
Company: King Digital
Game: Candy Crush
Palmer Luckey
Net Worth: $500 million
Company: Oculus VR
Developing: Oculus Rift
Ilkka Paananen
Net Worth: $400
Company: Supercell
Game: Clash of Clans