Logic
Tridem
A daily sliding puzzle where three pieces move as one. Slide the trio onto their goal squares — the movement rule changes each weekday, building a weekly arc.
Each date on DLE Directory highlights one daily puzzle worth trying. For Monday, July 17, 2028, we are introducing Tridem — a logic DLE that usually takes 3–10 min.
A daily sliding puzzle where three pieces move as one. Slide the trio onto their goal squares — the movement rule changes each weekday, building a weekly arc.