Hi! Thank you for playing our idle game!
For null pointer exceptions, we will fix them immediately, would you mind providing a bit more information about which part is missing?
And for aiming, we had limited directions of turrets and had a cooldown on them(so zombies won't die so fast....), plus we didn't have time to develop a full firing animation, so it might be less obvious to see when the turret is attacking or not. We tried to make zombies turn red when being attacked as a way to show turret attacking. We are sorry about...
Thank you again for providing the information, really appreciated!