the core game play mechanics for call of duty black ops 2 include basic movement such as walking, running, sprinting, jumping and more advanced movement mechanics such as climbing, crouching, going prone, diving and in some parts rappelling and also basic combat mechanics such as aiming, shooting, reloading, switch weapon, use gadget and also more advanced combat mechanics such as kill streaks, weapon attachments, turret emplacements and vehicle control sequences. the mechanics in call of duty are very easy to understand at can all be learnt in about hour or if you have played a fps before you will learn the controls almost instantly. The game is not based around the mechanics as a whole but mastery over the basic mechanics can lead to success but winning in call of duty comes from tactics, improvisational skills and reaction time or just not playing fairly.
the core game play mechanics of FIFA 2000 are basic and relatively easy to learn if you play the tutorial, these mechanics include moving you player in the direction of you joystick or WASD key press, the default for this is running but can be slowed with a half joystick movement or by pressing walk key on keyboard. the other controls in that game include passing which will switch the player perspective and control over to the player which the ball was passed to unless the opponent intercepts the ball and catches it in which case the player perspective will be switched to which ever player is now closest to the ball, you can also tackle opponents player who have the ball or if they are in process of passing but a foul tackle will result in a penalty and a free kick for the other team. the final in game move is the header which can be useful when scoring goals or deflecting goal attempts. the mechanics of the game are a big part of the early FIFA games as it was about out skilling and outsmarting you opponents and mastery of the controls was a must to compete but it was also about knowing when to use each move , which moves and tactics complimented each other well and what tactics and moves to use in specific situation to counter opponents moves.
Louie Bailey, games design 