• Fixed an issue where you couldn't earn some of the Achievements.
  
• The color of the laser that you fired in the Interceptor mode has changed.
  
• The difficulty level of the Traning mode has been adjusted more easily.

• Now you can practice the game with an easier difficulty in Training mode. Training mode ends when you clear 10th wave.
  
• Fixed an issue where pixels of the icons in the minimap are distorted sometimes.

• New input system for scoreboard has been added, which allows you to record your name by directional keys or controller stick.
  
• Fixed some issues related to enemies' AI.
  
• Now the Quad Case no longer changes its height location randomly.
  
• Now the missiles that you fired when you're in Offender mode will be focused forward.

• Hyperspace jump no longer changes the player character's height location.
  
• Enemy TUJATE Space Fighters, Dinkies, and Scatterers' attack pattern has been changed.
  
• Enemy Infectors no longer fires a bullet when it is abducting a civilian.
  
• Several issues related to Steam Achievements has been fixed.
  
• New types of enemy unit has been added: Mothership, EGG, and Enforcer.
  
• New space offense wave, 'Mothership Invasion' has been added.
  
• When you're in Offender mode, you can now fire your laser weapon faster with fewer button presses.

1.7.0

• Steam Achievements has been added.

1.7.5

• Even more Steam Achievements has been added.
  
• Now the game screen will scroll along the player character when you trigger Hyperspace jump.
  
• Removed the post-delay of Hyperspace jump.

1.6.2

• Now the enemy Infectors that are being tracked by missile cannot inject virus to the civilians.
  
• Fixed an issue where the emeny Dinkies occasionally fired a bullet right after turning.
  
• Enemy Counter-firers' attack radius and fire rate has been reduced.

1.6.5

• Improved the game's control sensetivity.
  
• Fixed an issue where rescued civilians would sometimes hung on the weird position.
  
• Now the Glitters would speed up when the player character is nearby.