Question about Fish Out of Water and Hungry Shark Revolution Game

Hello everyone, I have a few questions about the Fish Out of Water and Hungry Shark evolution game.

Questions about Fish Out of Water
1. Is the camera projection set to Orthographic or Perspective?
2. Since the fishes are clearly in 3D, I am wondering if the environment is made in 3D or 2D?​

Questions about Hungry Shark Evolution
1. Is the camera projection set to Orthographic or Perspective?
2. How do we achieve that water effect (The look of its surface when it is viewed from the bottom and from the top)?​

Thank you everyone!!!

sorry for the noobie question

 

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