St. Nick, a puzzle game for the Texas Instruments TI-99, challenges players to rotate and arrange a grid of tiles to create a working train set. The story is based on the idea of a train station, where the player must assemble a functional train layout within a limited number of moves. As the player progresses through levels, new obstacles and constraints are introduced, requiring strategic thinking to overcome.
Gameplay involves rotating and moving tiles to create connections between them, with the ultimate goal of building a complete train set. The game features simple yet addictive gameplay, making it easy for players to get hooked from the start. With increasing difficulty levels and limited moves, St. Nick requires skill and strategy to progress through its challenging puzzles.