Plain game mechanics are the core thing i look for. You drag pieces to place them over images. The goal is to piece together the picture.
Step by step you choose your difficulty level, and pieces scatter across your screen.
You drag pieces with your mouse to place them over transparent images. The main mechanic is dragging pieces to piece the picture together.
Most approach is to focus on the transparent images first. You drag pieces with your mouse to place them.
Q: What are the controls? A: You drag pieces with your mouse.
Q: What is the objective? A: Piece together the picture until it looks like the original.
Q: What stated features are there? A: There is a difficulty setting.
Q: What is the main mechanic? A: Drag pieces over transparent images.