You get four random numbers between 1 and 9. Your mission: combine them with addition, subtraction, multiplication, division and parentheses to reach exactly 24. Each number is used once. A 1980s Chinese classroom classic (算 24 点) that became a card game in the West in 1988. In Ludik 24 you race the clock — the faster you solve it, the better your personal best. Available in 12 languages, no signup, no intrusive ads.