Version 0.6.6 Update

·A new defense tower [ICBM] has been added, which can manually launch a nuclear missile to any location on the battlefield after loading. ·A new difficult battle [Commander's Training Ground] has been added, which requires building paths to block enemies. ·Balance adjustment: Missile buildings can no longer install split chips. ·Experience optimization: Added special effects level switching in the settings, allowing for setting lower feature levels if stuttering during endless gameplay; The difficulty level of the campaign has been reduced from level 5 to level 3. ·Bug fix: Fixed bugs that caused abnormal damage to sniper chips, harvest chips, challenge chips, and malice chips; Removing the Scorpion Elder BOSS from the Lost Throne once caused the game to crash.