Performance Optimization; Terrain adjustment; Now there are massive number of solider fighting at the same time now.

1. Modify the Terrain to snow land. Add some terrain undulations around the base.

2. Reduce all the cooldown of spawners. Now it will summon solider very quickly.

3. Increase hp of solider; Increase the cost to upgrade; Adjust the specific numerical values for upgrading troops.

4. Performance Optimization. Reduce the size of the build from 200MB to 60MB. Make it simple to render hundreds of soldiers in runtime.  

5. Fix the 5s+ black screen on entering open scene.

Next Patch

1. Clearly indicate the current combat attributes of the unit through the UI.
2. Add Summoning Schedule.
3. Give each troops a special skill.