[b]Game improvements / user requests:[/b] - Challenge mode added: No tutorial level, more starting money, longer license period. - Faster drone delivery - Stronger enemies in darkness. Defense and speed of enemies increase in darkness and are reduced when they step into light. Placing lights is now necessary to weaken the enemy. [b]Bug fix:[/b] - Enemy attack movement has been optimized - Restarting a game after the death of the commander caused an error