Mosaic can be considered a good board game depending on individual preferences and expectations. It is a strategic tile-laying game that challenges players to create colorful mosaics by placing tiles on their personal boards. Its simple rules make it easy to learn, and the gameplay offers enough depth and decision-making to keep players engaged. Mosaic's visually appealing components and artwork also add to its overall appeal. However, some players may find it lacking in complexity or needing more variability in replay value, which could impact their perception of its quality.