Links

https://en.wikipedia.org/wiki/Sega_Genesis

https://en.wikipedia.org/wiki/Dreamcast

https://en.wikipedia.org/wiki/Nintendo_Entertainment_System

https://en.wikipedia.org/wiki/Sony

https://en.wikipedia.org/wiki/PlayStation_3 

https://en.wikipedia.org/wiki/Atari 

https://en.wikipedia.org/wiki/Halo_(franchise) 

https://en.wikipedia.org/wiki/Microsoft 

https://en.wikipedia.org/wiki/Doom_(1993_video_game) 

https://en.wikipedia.org/wiki/Steam_(service) 

https://en.wikipedia.org/wiki/GOG.com 

https://en.wikipedia.org/wiki/Epic_Games_Store 

https://en.wikipedia.org/wiki/PlayStation_5 

https://en.wikipedia.org/wiki/GameCube