Design and programming:
Michał Brzozowski

Music:
Marcin Brzozowski and Krzysztof Łoza
https://soundcloud.com/martindemarco
https://soundcloud.com/christopher-loza

Graphics:
16-bit fantasy set by oryxdesignlab.com
ShroomArts, shroomarts.blogspot.com
Artur Reterski, http://artperski.com

Intro film:
Kamil Kucharski, https://www.behance.net/Kucharsky

Testing and ideas:
Jakub Jurkowski

Consultations:
Ted Martens, @ted_martens
DarkGod, @darkgodone

Extra content:
SoftMonster
RighteousSinner
Archdiggle

Font:
Lato by Łukasz Dziedzic
latofonts.com

LodePNG library by Lode Vandevenne

See license.txt for licence of particular data.
