Start here · Essential guide
Probability in Video Games: A Guide
A broad tour of where chance appears in video games: hit chances, critical hits, loot drops and procedural worlds, and how to reason about each one.
Probability by Game
Drop rates, loot mechanics and randomness in digital games.
Start here · Essential guide
A broad tour of where chance appears in video games: hit chances, critical hits, loot drops and procedural worlds, and how to reason about each one.
How to think about fog of war, scouting and random combat results in real-time strategy games, using expected value, variance and risk under uncertainty.
Learn how several independent critical hit chances combine, why they rarely add up simply, and how crit chance and crit damage work together on average.
How pseudo-random distribution and bad luck protection work in multiplayer games, and what players can reasonably infer from them without cheating.
An introduction to mixed strategies in game theory, using rock-paper-scissors and simple examples to show why unpredictable choices matter against thinking opponents.
Work out the chance of getting a drop within a set number of attempts using the complement rule, with checked examples and the limits of what the numbers say.
How team choices and matchmaking change the spread of outcomes in multiplayer games, viewed through variance, series length and team composition odds.
Loot boxes and gacha pity systems explained as probability structures, with a checked illustration and a clear look at their gambling-like risks.
How games build levels and worlds from a seed so they are random yet reproducible, and why the same seed can give the same world every time.
Related topics