Can You Satisfy Every Rule?
Create a password. Sounds simple, right? It's not. Rules stack up, conflict with each other, and get increasingly absurd. All 18 must be green at once.
The Password Game is a free online puzzle game that challenges you to create a password satisfying 18 increasingly absurd and contradictory rules — all at the same time. Rules are revealed one by one as you satisfy each previous one, starting simple (minimum 8 characters, include a number) and escalating to requirements like Roman numerals that multiply to 35, no letter E, and an exact character count of 50.
Type your password in the input field. Each rule is displayed as a card that turns green when satisfied and red when broken. New rules appear only after all current rules are met. The game tracks your time, keystrokes, and how many times you break previously satisfied rules. Satisfy all 18 rules simultaneously to win and receive a rating based on your completion time.
Start by building a base password that meets the early rules (length, uppercase, numbers, special characters), then carefully layer in requirements like Roman numerals that multiply to 35, the current hour, a month name, and emojis. The hardest part is Rule 17 — your password must be exactly 50 characters — so plan your length carefully.
The 18 rules include: minimum 8 characters, uppercase letter, number, special character, digits summing to 25, a month name, Roman numerals multiplying to 35, an emoji, minimum 20 characters, the current hour, a color word, letters from all 3 keyboard rows, no letter E, a prime number over 50, the word "password", exactly 50 characters, and a palindrome of at least 3 characters.
Yes, The Password Game on whatifs.fun is completely free to play in your browser with no downloads, accounts, or ads required. It works on desktop and mobile devices. Rules are revealed one at a time as you satisfy each previous rule, creating a progressive puzzle challenge.
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Last updated: March 2026 · whatifs.fun — Free interactive games, experiments & simulations