Credits & source.

Cataclysm was created by Whales. Dark Days Ahead and Bright Nights are developed by their respective contributors.

DDA source · Bright Nights source

DDA browser build and patches by nornagon/play-cdda, building on the earlier Emscripten port. This site packages the published stable 0.I-1 engine. Pinned build provenance.

The Bright Nights browser port uses the original C++ simulation with ncurses, Lua, SQLite, and a browser terminal. This is an independent port, not an official release. Pinned build provenance · Browser changes.

Game code and content are distributed under CC BY-SA 3.0 and the bundled license notices. Bright Nights license. Individual assets retain their original notices.

Terminus font license · Roboto font license · JSZip license · xterm.js license · ncurses license · Lua license