Andrzej Oszer (oszer@poczta.onet.pl) -- main programmer
Marek Majchrowski (majherek@wa.onet.pl) -- some messages work, monster movement, some other programming, web page 
Piotr Sieklucki (psiekl@venus.ci.uw.edu.pl) -- english locale, documentation

People, who helped in various ways:

Andrzej "The Undefined" Dopierala
Karol "sziwan" Kozimor
The Sheep
Dawid "QNeX" Kuroczko
Marek Fetliski
Krzysztof "borys" Kowalik
