There are positive and negative gates. By shooting, kill enemies, gain new weapons and increase the number of doors you pass and the number of allies. If you want to upgrade your fellow's count you have to pass through positive gates and increment the actual number of your fellow.
There are:
• Number Gate
• Weapon Gate
• Obstacle Gate
• Weapons
• Obstacles
• Enemies
There are:
• Number Gate
• Weapon Gate
• Obstacle Gate
• Weapons
• Obstacles
• Enemies
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