After six years of development new demo is available now! Check it out!
Requires Java Runtime Environment 8 (JRE8):
apt get install openjdk 8 jre openjdk 8 jdk
Run program by execution (double click):
"HOM.sh"
...or use command prompt in "game" folder:
java jar Xmx2g bin/HOM.jar
Read "MANUAL_unix.pdf" for more details.