Animus Chaotica is a Creatures-like ALife game currently under development by Vadim and Nornagon. It uses a client-server architecture, in which the server does as little as possible. The server is being written in C, and currently runs only on Unix-like systems. The "official" client is also written in C, using SDL. However, anyone is welcome to make their own client. There are three official pieces of software: the Animus Chaotica client, the Animus Chaotica server, and the Animus Chaotica adminitration tools.