I have one suggestion, I think you need to add some impact effect (little explosion, or vibration), It feels a little bit empty when the bullet pass through the target.
Zero Island has been updated.
Added difficulty hard. This is for the practice of the VS map.
- The boss unit and the AI units appear in different situations for each stage.
- The boss and the AI often give funds. In the last stage, drones will be able to equip all expensive items.
- It is able to continue.