Identify European by their flags in 1 minute. Choose from multiple options with 3 attempts. Share scores on social media. Compete on leaderboards and earn achievements.
Solve logic puzzles by filling cells with numbers 1 to N. Ensure no repeated numbers in rows or columns. Use circles with math operations or "E" for even numbers to determine valid cell values. Adjust puzzle difficulty and track progress.
Solve puzzles by guessing three-digit combinations. Input numbers and receive feedback on correct digits and positions. Adjust guesses based on results. Complete levels by guessing the correct combination within 12 attempts.