Campaign Mode - 25 Campaign levels for each StageMission Mode - Continuous Flood Of Alien Attacks –survive!Endless Alien Attacks ForHigh Engagement GameAmmo Drop Items and otherLevel-up Items Game PlayNot Just Alien Destruction Game PlayPuzzle Elements As Additional EngagementVarious Weapons and Defense Items customizingEnhanced Item Upgrade SystemAchievement- goals For Motivation- reward System For Achievements- system to Raise “motivation”Collection- collectible Trophies For Alien DestructionControl System- Optimized For Thrill and Attack Sensation!!