If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
This is Power Rangers game. Power Rangers are assigned to kill all monsters, you should help him use the arrow keys to move. Z to hold another call Power Rangers then use arrow key to choose Power Rangers. Press Z to back Jayden.
Arrow keys - To move.
Z - to call Power Rangers, then use arrow key to choose Power Rangers.