2D Boy are producing a series of articles detailing the development of the World of Goo, including downloadable prototypes:

  1. the world (of goo) wasn’t built in a day — part 1 of 7
  2. the world (of goo) wasn’t built in a day — part 2 of 7
  3. the world (of goo) wasn’t built in a day — part 3 of 7
  4. the world (of goo) wasn’t built in a day — part 4 of 7
  5. the world (of goo) wasn’t built in a day — part 5 of 7
  6. the world (of goo) wasn’t built in a day — part 6 of 7
  7. the world (of goo) wasn’t built in a day — part 7 of 7

2D Boy leveraged many open source programs to expedite World of Goo development, including SDL (Simple DirectMedia Layer), ODE (Open Dynamics Engine), TinyXML, Subversion, Mantis and parts of the PopCap Games Framework.