Super Street Fighter IV (SSFIV), Call of Duty, Battlefield and Mortal Kombat 2 Game PLAY.

Difficulty & Balance

SSFIV have 8 different difficulty levels from easiest to hardest when fighting against the CPU as an opponent. Depending on the players skill level in this game, the easiest difficulty could be a walk in a small park with having no damage taken whereas the hardest difficulty can be near enough impossible for many not so experienced players.The game is very balanced as each character have their weaknesses and strengths, opponent who is better than you, equal or even not as good as you could still get the win or be defeated. In the game SSFIV everything is perfectly balanced, because every single character has his own "special moves" you can learn, but not every character is suited for you to win! In game balance is the concept and the practice of tuning a game's rules, usually with the goal of preventing any of its component systems from being ineffective or otherwise undesirable when compared to their peers.

Inventory

In video games inventor is usually players to store and carry items freely along with them throughout the journey of the game. A number of games have different capacities on how much they can store items, for instance in Call of Duty (COD), you are limited to carry two different weapons and "nades". The item you pick up or buy in the game is usually stored in some kind of "holder" or perhaps a big bag, where it can be stored and scrolled through for use later.

Scoring

Scoring is usually a point system within the game to see how much you have gained throughout the game or level. Therefore different types of scoring system such as Exp. (experience) points, Kill-streak, Points/Goals in sport games. This usually is a record of how well you are doing in that specific game  and how much you need to go on to the next level, for instance to level up in Battlefield you have to get "*" amount Exp. points to go on to next level which usually is gained by playing different types of game modes.

Win Condition 

Win Condition within games is usually calculated by the amount of points or health the each battling team have, it can also be determined by how far you have progressed within the game, for example; Completing a story mode in Mortal Kombat after you defeat the Final Boss, it will end with short cut scene finishing with a screen stating "You Win". However within that final battle you have another win condition where it will say "Finish Him!","Excellent", "Perfect" or even "Fatality" if playing Street Fighter, stating that you have won.