Pliny vs Problems.cc

Pliny makes history come alive. Whether you're a lifelong history enthusiast or just curious about the past, Pliny turns learning into an adventure - one bite-sized lesson at a time. Explore courses on Ancient Greece, the Vietnam War, Egyptians, and more. Work through levels, take quizzes, and earn badges as you go. Compete on leaderboards, build your daily streak, and unlock achievements that reward your progress. What you can do with Pliny: - Study history through short, engaging modules - Test your knowledge with quizzes after each level - Earn unique badges for every course you complete - Track your progress with streaks and achievements - Compete with friends and other learners on the leaderboard - Learn at your own pace, anytime, anywhere Whether you have 5 minutes or an hour, Pliny fits around your life. Start your first level today.

Problems is a daily dose of beautiful maths puzzles from Exact Science. Every day you get a new set of bite-size challenges designed to sharpen real mathematical thinking — not just pattern-matching. Solve them in a couple of minutes, build a streak, and come back tomorrow for more. FOUR DAILY GAMES • Crossnumber — solve interlocking Across and Down clues to deduce every digit. • Cryptarithm — each letter stands for a different digit; crack the code so the sum is correct. • Magic Square — fill the grid so every row, column and diagonal add up to the same total. • Summit — slot operations between the numbers to hit the target. WHY YOU'LL LIKE IT • A new puzzle every day, with a full archive of past days to play. • Streaks and progress tracking to keep the habit going. • Clean, calm design with a light and dark theme. • No ads. No pre-game interruptions. No sign-up required to play. • Optional free account to sync your progress across devices. Built by Exact Science, the team behind problems.cc, drawing on a problem-solving tradition that values depth, structure and clear reasoning. Play today's puzzles, keep your streak alive, and make maths a daily habit.