Triangle Sum is a number logic puzzle game. Players need to fill in missing numbers so that each cell equals the sum of the two adjacent cells above it.

How to Play
In the triangular grid, each row's numbers are derived from adding adjacent numbers in the row above. Players must use logical reasoning and mathematical calculation to find the correct values for all empty cells. Each puzzle has a unique solution.

Game Modes
Classic Mode: Complete 10 questions with progressively increasing difficulty, one mistake ends the game
Timed Mode: Solve as many puzzles as possible in 120 seconds, consecutive correct answers earn time bonuses
Endless Mode: Challenge for the highest score with 5 mistakes allowed
Daily Challenge: One puzzle per day to test your solving skills

Difficulty Levels
Easy: 5-6 row triangles, number range 1-9
Normal: 7-8 row triangles, number range 1-12
Hard: 9 row triangles, number range 1-15
Expert: 10 row triangles, number range 1-20

Features
Hint system provides clues when you encounter difficulties
Combo system rewards consecutive correct answers
Clean interface design focused on the solving experience
Complete game records and statistics tracking

Target Audience
Triangle Sum is suitable for players who enjoy number puzzles, logical reasoning, and mathematical challenges. Whether for a brief casual break or intensive mental training, the game offers engaging entertainment.