What game is better assassins creed brotherhood or The Elder Scrolls oblivion?

Many people have there own opinions about what game is best. Skyrim is a huge map full of different quests, side-quests and much more.

Assassin's creed is based in the older days. Basically you walk, sneak, kill/assassinate in many different towns.

They are both different games and therefore you should try them before making your mind up.