Version 1.18 changes

Five new unlockable towers!

Player health now scales slightly (+1% per day)

Mine damage increased

Material spawn limit increased

Fixed spread for spread-shot towers

Enemy AI optimisation

Towers can now be moused over to more easily view their level and experience

There's now 5 music tracks for day and night, with the music progressing every 8 nights

The screen becomes more red-tinted on the later days

HUD now becomes more transparent when moused over

Game now automatically submits score on first name entry

Various minor misc fixes