1.New weapon added, sonic inpact: this weapon has two attack mode, Fire immediately will release sonic wave to impact and interfere the enemies at close range,charging will compress and shoot the sonic wave pierce through the enemies in straight line.
2.Now there are two level difficulty to choose.
3.Subdivision of the upgrade system, probe and device slot now hae 3 level to upgrade.
4.Supports PS4 gamepad controler.
5.Added a new OST.
6.Modified the rate of teleporting enemies.
7.Fixed screenshort bug.