Cygnus IV

Cygnus IV is a Doom II episode replacement mod of fourteen levels, created by John Bye in 1996 and updated in 1997.

The WAD comes with a Dehacked file (cygnusiv.deh), which makes changes to the intermission text.

Levels

 * MAP01: The Park
 * MAP02: The Sewers
 * MAP03: The Treatment Plant
 * MAP04: The Settling Tanks
 * MAP05: The Pipes
 * MAP06: The Factory
 * MAP07: The Warehouse
 * MAP08: The Railhead
 * MAP09: The Subway
 * MAP10: The City
 * MAP11: The Cathedral
 * MAP12: The Tunnels
 * MAP13: The Living Maze
 * MAP14: Gateway - The Finale