Kill 20 enemies with the Cerebral Bore in a single player game
Complete all missions and acquire all level keys in Lair of the Blind Ones in a single player game
Set 50 enemies on fire with the flamethrower in a single player game
Find all secret areas in a single player game
Defeat the Primagen
Complete the single-player game on Hardcore difficulty
Collect all 5 sacred eagle feathers in a single player game
Assemble the Nuke weapon in a single player game
Discover the first Oblivion chamber in a single player game
Collect all 6 Primagen keys in a single player game
Aquire all 5 talismans in a single player game
Get two enemies of different species to fight each other in a single player game
Defeat the Mother
Defeat the Queen
