Contra is a video Game developed by Konami in 1987. Its a classic Arcade game which is very popular even today.
Contra is a tricky game to develop good BOTS because the game involves a lot of actions like running, jumping, evading, power-ups, shooting, and very tricky boss stages. It was one of the first games of the time to have a variety of game play views.
To view the BOT in action click Project Video.
Neural Evolution code based on NEAT (NeuroEvolution of Augmenting Topologies)
Here a good link with demos and concept explanation in case you want to know more.