S-P Passport

S-P
Aka Season Pass, introduced in 1980
 * Access to the park all season long
 * No extra benefits

S-P-G
Aka Gold Pass, introduced in 1985
 * Free Parking
 * Separate admission waterparks are free (Since 2017)

S-P-P
Aka Platinum Pass, introduced in 1991
 * Separate admission waterparks are free (originally Platinum or Higher, now Gold or Higher)
 * One meal per-visit free

S-P-D
Aka Diamond Pass, introduced in 1994
 * Diamond-exclusive area

S-P-E
Aka Emerald Pass, introduced in 1995
 * Emerald early access (Access every new ride one week early [Except the 2020 additions due to COVID-19, which means it's only one DAY early, Kiddie rides, whenever a ride opens a week after a holiday [in this case 6 days early], water park attractions or water rides])