Reflex is a single-player puzzle game with a straightforward objective: solve each puzzle by destroying all the shapes. Its simple presentation keeps attention on the task, while the listed Action, Casual, and Indie genres place it among compact, accessible PC experiences rather than a multiplayer competition.
The central interaction is direct: hold the mouse button to destroy shapes, then move on to the next level. Players can open a menu by clicking the screen and choose levels, and a hint button offers help when a puzzle proves difficult. The game describes a progression of more than seventy levels, with later puzzles becoming harder, alongside achievements, including custom achievements. These features give Reflex a clear solo-play rhythm of tackling a puzzle, using assistance if needed, and continuing through the sequence.
Its appeal rests on short, self-directed attempts and a gradual rise in puzzle difficulty, with hints available as an alternate route past a sticking point.