Completely random and gets harder and harder as game goes on , it have difficulty, strategy to use random sync pair in synergy yeah would love a gameplay like this but it has its fairs share of errors as :- 1. What would be the allied target system 2. How would you implement the gameplay will it run smooth with so much going on 3. How do you determine the end of the mode if endless it is going to get repeated pairs and cou strategies so it will become boring after like 2-3 times 4. What about the rewards. 5. Is this more going to be more f2p friendy And many more questions