Game balance is a branch of game design with the intention of improving gameplay and user experience by balancing difficulty and fairness. Game balance consists of adjusting rewards, challenges, and/or elements of a game to create the intended player experience.

Revamps may be optional and may happen if something is not properly nerfed.

Essential concepts of balancing

Chance

thumb|Dice add an element of chance to a game.

While the optimal ratio between skill and chance are dependent on the target group, The illusion of winnability, Crawford said, "is very difficult to maintain. Some games maintain it for the expert but never achieve it for the beginner; these games intimidate all but the most determined players", citing Tempest as an example.

Tim Barry of InfoWorld wrote in 1981 that any good computer game "must be totally fair", although it could still be "complicated or random or appear unfair".

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