Here is the full list of all 25 Williams Pinball Classics achievements worth 1,000 gamerscore.
Complete all Basic Goals for Gorgar™.
Complete all Basic Goals for Pin*Bot™.
Complete all Basic Goals for Black Knight™.
Complete all Basic Goals for Funhouse™.
Complete all Basic Goals for Space Shuttle™.
Complete all Basic Goals for Taxi™.
Complete all Basic Goals for Whirlwind™.
Complete all Basic Goals for Firepower™.
Complete all Basic Goals for Sorcerer™.
Complete all Basic Goals for Tales of the Arabian Nights™.
Complete all Basic Goals for Medieval Madness™.
Complete all Basic Goals for No Good Gofers™.
Complete all Wizard Goals for Gorgar™.
Complete all Wizard Goals for Pin*Bot™.
Complete all Wizard Goals for Black Knight™.
Complete all Wizard Goals for Funhouse™.
Complete all Wizard Goals for Space Shuttle™.
Complete all Wizard Goals for Taxi™.
Complete all Wizard Goals for Whirlwind™.
Complete all Wizard Goals for Firepower™.
Complete all Wizard Goals for Sorcerer™.
Complete all Wizard Goals for Tales of the Arabian Nights™.
Complete all Wizard Goals for Medieval Madness™.
Complete all Wizard Goals for No Good Gofers™.
Beat the Williams Challenge to Unlock Jive Time™.