TetraVex is a logic-based puzzle game included in the Microsoft Entertainment Pack for Windows 3.x. Players are given square tiles, each with numbers on all four sides, and must arrange them in a grid so that adjacent edges match numerically. The challenge increases with larger grids, requiring careful thinking and pattern recognition. With its clean interface and progressively difficult puzzles, TetraVex provided a mentally stimulating diversion for Windows users, appealing to fans of math and logic games seeking a quick, satisfying challenge.