What is Core War?

Core War is a played between two or more programs written in Redcode, a low-level language similar to assembly. Players write a program to eliminate all opponents in the memory of the MARS virtual computer. Core War is also used as a platform to experiment with genetic programming.

Latest Core War News

09
FEB

A titan falls - For John is a paper/imp which entered the 94nop hill in January 2013, surviving 1458 challenges before being pushed off today.

27
JAN

The second issue of CoreOps has been published by inversed. This issue investigates Resonant Papers and silk step interactions.

Access the Old Site

The old site remains available while we move everything to the new layout…

The Core War Imp Ring
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Getting Started

Tournaments

The King of the Hill servers hold an ongoing tournament with the results available a few minutes after submission.

Christian Schmidt and John Metcalf share first place in the Tiny Stone Challenge.

Congratulations to Steve Gunnell, winner of the Valentine Core War Tournament.

Previous tournaments

Community