This article is over 9 years old and may contain outdated information

And it led to Commander Keen!

Recommended Videos

John Romero of id Software fame just released this video of a Super Mario Bros. 3 PC port John Carmack and John Romero made to show Nintendo in order to get the license for the PC version. Nintendo would ultimately decline the offer, but id and company used the technology and wherewithal to create something of a classic in its own right, Commander Keen, which turns 25 today.

Post Tag: id Software retro Destructoid is supported by our audience. When you purchase through links on our site, we may earn a small affiliate commission. Learn more about our Affiliate Policy Join The Conversation