hi good game
and if anyone use Linux ( ubuntu ) and you dont know how to run it pls follow this step
1 - go to download folder and extract CalamityNova-1.0-linux.tar.bz2
2- go to CalamityNova-1.0-linux folder and open terminal
3- type sh ~/Download/CalamityNova-1.0-linux/CalamityNova.sh
it will run