Snipedown

Keep your base safe from the huge advancing enemy armies using your trusty sniper rifle, air strikes and artillery.
V1.0.3:
Loading game health bar glitch fixed, and loading game button glitch fixed, thanks for letting me know!
V1.0.2:
The first two tools: Mortar and Artillery Strike have been sped up to be more effective, and not block you from using your other tools.
Left mouse: Shoot
1 Key: Select Mortar Strike
2 Key: Select Artillery Strike
3 Key: Select Air Strike
4 Key: Select Big Bomb
U Key: Upgrade
O or P keys: Options