Here is the full list of all 74 Swords and Sandals Classic Collection achievements.
Defeat Antares and complete SS2
Defeat your evil self in SS2
Defeat Archangel Sandalphon in SS2
Defeat Bhaargle Yarg in SS2
Defeat Sir Belgrave in SS2
Defeat Archfiend Zeerzabahl in SS2
Defeat HeChaos in SS2
Defeat Daimyo Katsumodo in SS2
Defeat Gaiax in SS2
Defeat Maharaja Saeed in SS2
Defeat Spheracles in SS2
Defeat the Slave Driver in SS2
Defeat the Wizard Sagan in SS2
Defeat the Great Beast in SS2
Defeat Marksman Dantus in SS2
Earn over 100,000 gold in SS 2
Defeat Son of Stylonius in SS2
Defeat the Evil Ninja in SS2
Defeat John the Butcher in SS2
Defeat the Fearful Prisoner in SS2
Defeat HeChaos and complete SS1
Defeat Lord Talah'udin in SS1
Defeat Stylonius of Southport in SS1
Defeat Nine Cat Jack in SS1
Defeat the Slave Driver in SS1
Defeat Bo'sun Smythe in SS1
Defeat Wolfgang of Shackleford in SS1
Anger Thargaan the Armourer in SS1
Defeat the Shi-Tzurantula in SS Crusader
Defend Brandor and complete SS Crusader
Complete Antares' chapter in SS Crusader
Complete HeChaos' chapter in SS Crusader
Complete Arglaxx' chapter in SS Crusader
Complete Bors the Mighty's chapter in SS Crusader
Complete Celen Helmguard's chapter in SS Crusader
Complete Baron Wolfgang's chapter in SS Crusader
Complete Sir Belgrave's chapter in SS Crusader
Complete King Lionel's chapter in SS Crusader
Unlock all Minigames in SS4
Play on the Shackled God map in SS4
Play a game on the Cobraspine Mountains map in SS4
Play a game on the Frost Heart Caverns map in SS4
Play on the Vale of Villains map in SS4
Play on the Fallen Titan map in SS4
Play on the Deepnether Caverns map in SS4
Play on the Arkmagius Mountains map in SS4
Unlock all cards in SS4
Play on the Vale of Heroes map in SS4
Defeat Ultratus Omega and complete SS3
Defeat Fallen Emperor Antares in SS3
Defeat the Undead Great Beast in SS3
Defeat Bluescreen Death in SS3
Defeat Father Painbringer in SS3
Defeat Magnificent Leopold in SS3
Defeat Evil Ninja Redux in SS3
Defeat Platos in SS3
Defeat Bhaargle in SS3
Defeat Great Knight Gallantrus in SS3
Defeat Mossocles in SS3
Defeat the Bladetron 2.0 in SS3
Earn over 100,000 gold in SS3
Defeat Archfiend Coalbahl in SS3
Defeat the Boneslinger in SS3
Defeat Arglaxx in SS3
Defeat Fizzacles in SS3
Defeat Sir Brian of May in SS3
Defeat Battlemaiden Anna in SS3
Defeat the Yeti Project in SS3
Defeat Mr Omazing in SS3
Complete the horrible Gross Out : Battle for Sludge Valley
Defeat the Obliterator 9000 in SS3
Defeat Boarhide Trader Pigsus in SS3
Defeat Xanfar the Haunted in SS3
Defeat the Fearful Prisoner in SS3