# 54321

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

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

Developer: Patrick Fleckenstein

## Building