I am word of seven letters! people eat me! If u remove 1 letter i wil be a

[Shashank]

form of game, If u remove my first? I am word of seven letters! people eat me!
If u remove 1 letter i wil be a form of game,
If u remove my first 2 letters i wil be needed for driving,
If u remove first 3 letters i wil be a adjactive,
If u remove my first 4 letters i wil become a season for u.