It's not Web3, but https://www.thndr.games/ makes a few games (six as of this comment) for iOS and Android that let you earn some sats just by playing them.
Unlike games from companies like Voodoo, their ad placement is obnoxious; some full screen ads, yes, but not after every time you tap the screen (as is seemingly the case with Voodoo games).
Bitcoin Bounce - Their very first game; you play as a bouncing object and must tap the screen at the right time to land on a platform and continue bouncing.
Turbo 84 - You control a car; swipe left and right to avoid obstacles, collect tokens, power ups, and tickets.
Bitcoin Bay - A bubble shooter game; play a set of campaign levels of varying difficulty or go for an endless mode.
Bitcoin Snake - Play the classic game of snake and earn tickets to get some bitcoin.
Tetro Tiles - Think of a fill-in-the-space puzzle game; you're given irregularly-shaped pieces and must fit them in the board, placing them to complete rows, columns, or 3x3 boxes to clear them and free up space.
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