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Game design basics

Game Balance: How Designers Make a Game Fair

Game balance is what keeps a game's choices worth making: no strategy that always wins, no character nobody picks, and a challenge that rises at the right pace. Here's what balance means, the tools designers use to get there, how live games stay balanced through buffs, nerfs and power creep, and the college courses that teach it.

An old two-pan balance scale with brass pans and an ornate painted iron base, on a wooden shelf against a wood-paneled wall.
On this page
  1. Balancing a Game in 60 Seconds
  2. What Is Game Balance?
  3. The Three Kinds of Balance Designers Check
  4. Dominant Strategies and Why Designers Remove Them
  5. Cost Curves, Counters and Feedback Loops in Game Design
  6. Difficulty Curves and Dynamic Difficulty for Players
  7. How Designers Balance a Game
  8. Power Creep, Buffs and Nerfs in Live Games
  9. Where Game Balance Is Taught
  10. Game Jobs That Balance Games
  11. Frequently Asked Questions
  12. Related Pages
  13. Sources

Balancing a Game in 60 Seconds

  • Balance keeps every choice worth making. No strategy should always win and no option should be useless. Balance is not sameness: options stay different, with different costs and risks, but none is simply better. Definition ›
  • A dominant strategy turns decisions into instructions. Designers raise its cost, add a counter, cap how often it can be used or make it situational. The aim is a choice, not an answer. Dominant Strategies ›
  • Cost curves show which options are overpriced. Plot each option's value against its cost and compare options at the same cost. Feedback loops and randomness need the same care, since too much of either makes skill matter less. The Tools ›
  • Power creep makes older options stop mattering. Each new addition comes in a little stronger than the last. Teams fight it with a power budget, small buffs and nerfs, and by testing new content against old. Live Games ›
  • Old Dominion gives balance a whole course. GAME 333, Game Balance, Rules, and Mechanics, is a three-credit course. UC Irvine's GDIM 27 covers economies and stat design, and JCCC's GAME 220 teaches feedback systems. In School ›

Heads up Balance is mostly numbers, so expect to change one value at a time over many playtests.

The definition

What Is Game Balance?

Game balance is the tuning that makes a game's options worth choosing and its challenges feel fair. A balanced fighting game has no character that beats every other. A balanced strategy game has more than one way to win. A balanced puzzle game gets harder at a pace the player can keep up with. In each case the goal is the same: the player's decisions matter, and playing well is rewarded.

Balance is not the same as equal. A game where every option is identical has nothing to choose between. Good balance keeps options different, with different strengths, costs and risks, while making sure none of them is simply better. A heavy weapon that is slow and a light one that is fast can both be balanced if each wins in the situations it is built for.

It is also a core part of the design job. O*NET, the Labor Department's job database, lists balancing first among the tasks of a video game designer: to balance and adjust gameplay experiences to ensure the critical and commercial success of the product. Most of that work is numbers, such as damage, health, cost, speed and cooldown, adjusted over many rounds of testing. The game mechanics guide covers the rules those numbers belong to. Balance is what happens after the rules exist.

Signs a Game Is Unbalanced

Players usually find imbalance before designers do. The signs are easy to spot: everyone picks the same character or build, one strategy wins almost every match, some items are never used, or a level that is supposed to be early is harder than the final boss. Another sign is a game that is decided too early, where the player who gets ahead can't be caught and everyone else has no reason to keep playing.

Three kinds

The Three Kinds of Balance Designers Check

Designers usually think about balance in three places, and each needs a different kind of test.

  • Player against player. In a competitive game, every side, character or faction needs a fair chance. This is where most arguments about balance happen, because players compare their options directly and notice small differences.
  • Player against the game. In a single-player game, the challenge has to match the player's skill as it grows. Enemies, puzzles and resources set the difficulty, and the difficulty curve decides whether the game feels fair, boring or impossible.
  • Options against each other. Inside any game, the choices the player makes, such as weapons, skills, cards or upgrades, need to be worth considering. If one upgrade is always the right pick, the others might as well not exist.

Most games need all three. A multiplayer shooter balances its teams, tunes its weapons against each other, and still needs single-player tutorials that ramp up at a sensible pace. Keeping the three separate helps a team figure out which problem it actually has, and that decides which test to run next.

The main problem

Dominant Strategies and Why Designers Remove Them

A dominant strategy is one that is the best choice no matter what anyone else does. Once players find it, the game stops being a set of decisions and becomes a set of instructions. Everyone does the same thing, matches feel the same, and the rest of the design goes to waste.

Designers remove dominant strategies in a few standard ways. They raise the cost of the strong option, so using it means giving something else up. They add a counter, something that beats it. They put a limit on it, such as a cooldown or a cap on how often it can be used. Or they make it situational, strong in one kind of level or matchup and weak in others. The aim is not to make the option useless, only to make it a choice instead of an answer.

Counters and Rock, Paper, Scissors

The simplest balanced system is rock, paper, scissors: each option beats one other and loses to one other, so none of them is dominant. Many games build on this idea. Units, attacks or character types counter each other in a loop, so the best choice depends on what the opponent picks. Designers call this intransitive balance, and it is one reason strategy and fighting games reward knowing the matchup rather than having one favorite.

The tools

Cost Curves, Counters and Feedback Loops in Game Design

Balancing starts on paper, with a few tools that work across genres.

Cost curves. Every option gets a cost, such as gold, mana, a turn or a slot in a deck, and a value, such as damage or defense. The designer plots value against cost and checks that options of the same cost are worth about the same. An item that sits well above the curve is too strong for its price. One far below it is a trap that new players will fall into.

Feedback loops. A positive feedback loop rewards the player who is ahead, so being ahead makes it easier to stay ahead. A little of that makes winning feel earned. Too much makes games end early, because the leader can't be caught. A negative feedback loop helps the player who is behind, such as stronger items for whoever is in last place. It keeps games close, but too much makes skill feel pointless. JCCC's Game Design II teaches students to use mechanics to build and control feedback systems for exactly this reason, and its course outline asks students to identify how feedback systems affect balance.

Randomness. Dice, card draws and random drops add uncertainty, which can help a weaker player win sometimes and keep a game from being solved. Too much randomness makes skill matter less. MIT's game design course gave a session to dice and hidden information, because how much luck a game contains is a balance decision in its own right.

Economies. Games where players earn and spend resources need the income and the costs to stay in proportion over the whole game. If income grows faster than costs, everything becomes cheap and choices stop mattering. If costs grow faster, players stall. UC Irvine's intermediate game design course covers economies and stat design alongside game balancing for this reason.

Single-player

Difficulty Curves and Dynamic Difficulty for Players

In a game played against the computer, balance is mostly about difficulty. A difficulty curve is how hard the game gets over time. A good one rises as the player's skill rises, with easier stretches after hard ones so the player can rest and enjoy what they have learned. A curve that rises too fast loses players to frustration. One that stays flat loses them to boredom.

Designers shape the curve with the same numbers as any other balance work: enemy health and damage, how many enemies appear, how much health and ammunition the level offers, and how much room for error a puzzle allows. New mechanics are usually introduced in a safe place first, then combined with old ones once the player has learned them.

Dynamic Difficulty Adjustment

Some games change their difficulty while you play. Dynamic difficulty adjustment watches how the player is doing, such as how often they die or how much health they have, and quietly adjusts the game, for example by giving out more health or making enemies a little less accurate. Done well, players never notice. Done badly, it feels like the game is cheating, either for them or against them, and good players can feel punished for doing well. Many games offer difficulty settings instead, so the player chooses the challenge.

The process

How Designers Balance a Game

Balancing is a loop, and it runs from the first prototype to long after release.

  1. Give everything a number. Put every value that matters, such as costs, damage, health and timings, in one place where designers can change them without touching code.
  2. Check the math. Use a spreadsheet to compare options against each other and against the cost curve, and to estimate things like how long a fight lasts.
  3. Playtest. Watch real people play, because they will find strategies the spreadsheet never considered. MIT's game design course teaches this by having students change rules between playtests and watch the effect.
  4. Change one thing at a time. Adjust a single value, test again, and keep notes, so you know which change fixed or broke what.
  5. Look for the edges. Try the strangest strategies on purpose. Testers who hunt for exploits find problems before players do.
  6. Keep going after release. Once thousands of people play, data and feedback show which options win too often and which nobody uses.

The process works the same in a class project and a commercial game. MIT's Creating Video Games course pairs its testing session with a reading on functionality, completeness and balance, which reflects how studios think about it: first the game works, then it is complete, then it is balanced. The game design document guide shows where those values and decisions get written down.

Balancing a Paper Prototype First

The fastest place to practice balance is a card or board game you make yourself. Write each card's cost and effect on an index card, play a few rounds with friends, and keep a tally of which cards win games. Cards that show up in every winning hand are above the curve, and cards nobody plays are below it. Change one number, play again, and compare the tallies. A paper game takes minutes to change, so you can run many rounds of the loop in an afternoon, and the habits carry straight over to a digital game.

After launch

Power Creep, Buffs and Nerfs in Live Games

Games that keep adding content after release face a balance problem that never ends. Every new character, card or item has to be good enough that players want it, but not so good that it pushes everything else aside. Getting that wrong, one release after another, causes power creep.

Power Creep

Power creep is the slow rise in strength across a game's content. Each new addition is a little stronger than the last, often because the team wants players to buy or chase it. Over time the older options stop being worth using, players feel they have to keep up, and the whole game's numbers drift upward. Designers fight it by testing new content against the existing options instead of against the previous release, by setting a clear power budget for new content, and in some card games by rotating older sets out of competitive play.

Buffs and Nerfs

A buff makes something stronger. A nerf makes it weaker. Both are the everyday tools of live balance, shipped in patches and listed in patch notes. Good balance teams change things in small steps, because a large nerf can turn a dominant option into one nobody picks and create a new dominant option elsewhere. It is often easier on players to buff weak options than to nerf strong ones, because nobody loses something they enjoy.

Live balance also has to respect players' time and money. A nerf to something players spent months earning, or paid for, causes anger that has nothing to do with the math. That is why balance teams explain their reasoning in patch notes, and why many prefer to fix problems by adjusting several small values rather than one large one.

In school

Where Game Balance Is Taught

Balance is usually taught inside game design courses rather than on its own, but a few programs give it a whole course. Old Dominion University's GAME 333, Game Balance, Rules, and Mechanics, is a three-credit course on how designers produce balance through rules, mechanics and other parts of play. The table lists courses that name balance in their own descriptions.

SchoolCourseWhat it covers
Old Dominion UniversityGAME 333, Game Balance, Rules, and MechanicsA whole course on how rules, mechanics and other elements produce balance
UC IrvineGDIM 27, Intermediate Game DesignEconomies, game balancing, stat design and playtesting
Johnson County Community CollegeGAME 220, Game Design IIUsing mechanics to build feedback systems and establish balance
MITCMS.611J, Creating Video GamesA testing session with a reading on functionality, completeness and balance
MITCMS.608, Game DesignSessions on altering rules in playtests and on dice and hidden information
Each school's own catalog or course page. Descriptions are summarized; follow the links for the full text.

When you compare programs, look for courses that mention balancing, systems design, economies or playtesting, and ask whether students balance their own games rather than only reading about it. The game design classes guide lists what ranked programs require, and our data covers 354 programs at 271 colleges. The best game design schools ranking is the place to start.

Careers

Game Jobs That Balance Games

Balance is a team job. On larger teams it can be a specialty of its own, often called a systems or balance designer, but on most teams it is shared. The table shows who does what and the federal pay for the occupation that counts each job.

JobPart in balancingMedian payCounted under
Video game designerSets the numbers, builds the balance spreadsheets and decides what to change$104,000web and digital interface designers
Level designerTunes encounters, resources and pacing inside each level$104,000web and digital interface designers
Game programmerExposes values for tuning and builds the tools and data that track play$135,980software developers
Game testerFinds exploits and dominant strategies before players do$104,300software quality assurance analysts and testers
BLS Occupational Employment and Wage Statistics, May 2025, national median for the occupation that counts each job. BLS has no game category, so each figure covers a whole occupation.

Game designers are counted with web and digital interface designers at $104,000, and game testers with software quality assurance analysts and testers at $104,300. Treat these as the market for each skill rather than a studio pay scale.

Showing Balance Work in a Portfolio

Balance is hard to see in a finished game, so show the process. Include the spreadsheet for one system, a short note on a dominant strategy you found and how you fixed it, and before-and-after numbers from a playtest. That proves you can find a problem, measure it and fix it, which is most of what a balance role asks for. The game design portfolio guide covers how to present it, and the video game designer career guide covers how people get hired.

FAQ

Frequently Asked Questions

What Is Game Balance?

Game balance is the work of tuning a game so its choices are worth making and its challenges feel fair. In a balanced game, no single strategy, character or item beats everything else, the difficulty rises at a pace players can follow, and a player who plays better usually does better. Balance is mostly numbers, such as damage, cost and speed, adjusted over many playtests. See what balance means.

What Is Power Creep?

Power creep is the slow rise in strength that happens when a game keeps adding new characters, cards or gear, each a little stronger than the last so players will want it. Over time the older options stop being worth choosing, and the game's balance drifts upward. Designers fight it by testing new content against old content, by nerfing outliers, and in some games by rotating older content out of competitive play. See power creep, buffs and nerfs.

What Do Buff and Nerf Mean?

A buff makes something in a game stronger, and a nerf makes it weaker. Both are balance changes, usually shipped in a patch after a game is released. Designers buff options that players ignore and nerf ones that dominate, often by a small amount at a time, because a large change can swing an option from too weak to too strong. Patch notes list them so players can adjust. See how live games are balanced.

How Do Game Designers Balance a Game?

They give every option a cost and a value, check the numbers in a spreadsheet, and then test with players, because a spreadsheet can't predict how people will play. Testers look for dominant strategies and exploits, designers change one value at a time, and the loop repeats. After release, play data and player feedback drive further changes, shipped as buffs and nerfs. O*NET lists balancing first among a video game designer's tasks. See the process.

Is Game Balance Taught in Game Design Programs?

Yes. Old Dominion University has a three-credit course called Game Balance, Rules, and Mechanics, UC Irvine's intermediate game design course covers economies, game balancing and stat design, and JCCC's Game Design II teaches using mechanics to establish balance. Courses often teach it through playtesting projects rather than lectures alone. Our data covers 354 game design and development programs. See the courses.

Sources

  1. 1 Old Dominion University catalog, Gaming (GAME) courses Course titles and descriptions, paraphrased from the page. Accessed .
  2. 2 UC Irvine catalog, Game Design and Interactive Media (GDIM) courses Course titles and descriptions, paraphrased from the page. Accessed .
  3. 3 Johnson County Community College catalog, Game Development (GAME) courses Course titles and descriptions, paraphrased from the page. Accessed .
  4. 4 MIT OpenCourseWare, CMS.611J Creating Video Games, Fall 2014, lecture slides and readings Course titles and descriptions, paraphrased from the page. Accessed .
  5. 5 MIT OpenCourseWare, CMS.608 Game Design, Spring 2014, calendar Course titles and descriptions, paraphrased from the page. Accessed .
  6. 6 O*NET OnLine, 15-1255.01 Video Game Designers Tasks quoted and paraphrased. Accessed .
  7. 7 BLS, Occupational Employment and Wage Statistics, May 2025 National median pay for the occupation that counts each game job. Accessed .

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