Underwater Stickman Death Puzzle

Game description:

"In this underwater puzzle game, you must kill all the characters in sequence without any of them seeing each other die. The game is set in a beautiful aquarium, and you must use the environment to your advantage to sneak up on and eliminate your targets. Be careful, though, as the characters are quick and can easily escape if they see you coming. Can you complete the challenge and become the master of Causality Aquarium?"

Game controls:

Player 1:
Mouse Left Click Play