54321

Home: http://old.nklein.com/products/54321/
State: mature, inactive since 2001
Keyword: puzzle, content open
Code language: C++
Code license: Custom (a very simple copyleft see http://old.nklein.com/etc/copyright.php)
Code dependency: libpng, SDL, zlib
Assets license: Custom (see code license)
Developer: Patrick Fleckenstein

Five classic two-dimensional puzzle games extended into three and four dimensions.

Building