Step-by-Step Articles
Learn game theory from the ground up. Each article explains the intuition, walks through dry runs, and lets you solve problems inline.
Divisor & Elimination Games
Easy14 problems
Nim Game & XOR Strategy
Medium6 problems
Advanced Nim & Variants
Hard6 problems
Grundy Numbers & SG Theorem
Hard4 problems
Stone Game Series I-IX
Medium10 problems
Minimax DP & Optimal Strategy
Medium6 problems
Board Games & Classic Puzzles
Hard12 problems
Card & Number Games
Medium9 problems
Jump Games & Network Games
Medium6 problems
Tree & Permutation Games
Medium7 problems
Advanced Strategy
Hard10 problems
Game Theory Mastery
100+ curated game theory problems, from simple brainteasers to advanced combinatorial game theory with Nim, Grundy numbers, minimax DP, and more.
109Total
1Divisor Game
easy
2Elimination Gamemedium
3Game with Integerseasy
4Game with Boardeasy
5Subtraction Gameeasy
6Buttons Gameeasy
7A Stone Gameeasy
8Game of Matchstickseasy
9Removal Gameeasy
10Game of Chipseasy
11Game of Stairseasy
12Game with Numberseasy
13Take-Away Gameeasy
14Matchstick Winnereasy
15Tic-Tac-Toe Checkmedium
1Stick Removal Game
easy
2Another Gameeasy
3Take 1-2-K Gamemedium
4Deleting Divisors Gamemedium
5Card Match Gamemedium
6Substring Removal Gameeasy
7Number Elimination Gamemedium
8Coin Take Gamemedium
9Chocolate Removal Gamemedium
10Stone Removal Dueleasy
11Minimum Number Gameeasy
12Counting Removal Gamemedium
13Chip Take-Awaymedium