In Trophy Fishing Online 2 players are able to select the complexity of mechanics used while fishing. This is one of the first things you will select when logged in and can be changed once every 3 days.

Advanced Mechanics

Moon cycles, temperature, nocturnal fish, weather patterns and water clarity all impact postive modifiers.
Utilizes a -25% to 25% modifier for color selection while fishing based upon environment modifiers.
Ideal for players who want to impact their casting more with planning and time.
Can play and compete in all aspects of the game.

Classic Mechanics

Ignores moon cycles, temperature, nocturnal fish, weather patterns and water clarity and instead gives an average consistent bonus.
Ignores lure color completely for fish biting(ignoring the -25% to +25% modifier).
Weather, temperature, time of day and other environment details is for aesthetic purposes only.
Lure color is for aesthetic purposes only.
Ideal for players who want less planning or have limited play time or beginners.
Can play and compete in all aspects of the game.