Glitch - online puzzles

A glitch is a short-lived fault in a system, such as a transient fault that corrects itself, making it difficult to troubleshoot. The term is particularly common in a computing and electronics industries, in circuit bending, as well as among players of video games. More generally, all types of systems including human organizations and nature experience glitches.

A glitch, which is slight and often temporary, differs from a more serious software bug which is a genuine functionality-breaking problem.