Nikki and the Robots
Nikki and the Robots is a 2-dimensional platform game written in Haskell.
It was actively developed by the Joyride Laboratories between 2010 and 2012 and is currently more or less abandoned.
Everything in the directory this file resides in is licensed under LGPL 3 (see LICENSE), except the directories "data" and "levels". They contain their own licensing documentation.
How to compile is described in src/README.