Make 24 is the classic arithmetic card game — given 4 numbers, use +, −, ×, ÷ and parentheses to reach exactly 24. Every number must be used exactly once. Features an adaptive SR rating system with 5 tiers.
How do you play Make 24? ▾
You get 4 numbers. Use all of them with +, −, ×, ÷ and parentheses to make exactly 24. Every number must appear once. Tap the number cards to insert them, use the operator buttons or type directly.
What is the SR system? ▾
SR (Skill Rating) goes from 0–1000. Solving puzzles faster earns more SR. Skipping costs −10 SR. Your tier rises through Beginner → Novice → Adept → Expert → Master as SR increases.
Is Make 24 free? ▾
100% free — no ads, no login, no download. Your SR and progress are saved in your browser automatically.