The engine was used in a number of popular games of the era, and is now open source.
The Chief also figured in a host of the biggest games of the era.
It was also the longest game of the modern era.
The game itself is regarded as one of the classic games of the modern era.
In some of the most popular games of the era, saving your soul wasn't enough to win the game.
This is a throwback to the classic games of the 16-bit era, and the enemies act accordingly.
His game used a custom boot-up routine, as many games of the era did.
This game was one of the more successful games of the era.
Like most arcade games of the era, unofficial clones were made for home computers.
More detailed structural limits were relatively common in other games of the era.