Feynman rules vs Quiet Games · Classic

This app introduces Feynman rules. You can get some understanding for Feynman diagrams. E is external point, V is vertex, P is propagator, and S is symmetry factor.

A little quiet. A game you know. Take a break with nine classic puzzles and board games in one calm, minimal app. Play on your own or share a device with a friend. No ads and no subscriptions. NINE WAYS TO UNWIND • Sudoku — fill the grid with logic. • Nonogram — uncover pictures with number clues, or create your own puzzles. • Minesweeper — find the mines with careful deduction. • 2048 — slide, combine, and plan your next move. • Cascade — fit falling blocks and clear lines. • Tic-Tac-Toe — a quick match against the computer or a friend. • Gomoku — connect five stones in a row. • Othello — flip pieces and take control of the board. • Checkers — jump, capture, and reach the far side. PLAY YOUR WAY Choose Easy, Medium, or Hard. Challenge the computer in board games, or play together on the same device. Track your best records and enjoy a clean interface that keeps the game in focus. START FREE. UNLOCK ONCE. Easy difficulty is free. A single in-app purchase unlocks Medium and Hard across all nine games. No recurring payments, no ads, and no separate purchase for each game. A familiar game. A few minutes to yourself.