the normal music is good, but it doesn't fit some scenarios
so do different music for different times such as:
night could be the same music but a bit more relaxing
battle when there is a fight, i want to feel the fight with intense music
upgrade when you upgrade something, that it will make a sound kinda like the growing god power (the power with the tree)
and sound affect for somethings such as archers, deers dying (oh deer), and shaking trees
i suggest this because the game doesnt feel right without music and sound affects, it feels to calm and happy, even in fights