Level Design Basics: Building Spaces That Guide Players Silently
The basics of level design, from teaching order and wayfinding to pacing and playtesting, explained via Super Mario Bros. 1-1, Half-Life 2, and Portal.
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#Portal
3 articles
The Portal Series: Valve's First-Person Puzzle Classic
The origins of Portal (2007) and Portal 2 (2011), how the portal gun puzzles work, why they're classics, their influence, and how to play them today.
The History of Puzzle Games: From Tetris to Mobile Puzzlers
From Sokoban, Tetris, Lemmings and Minesweeper to Bejeweled, match-3, Portal and The Witness: how puzzle games evolved through logic and physics puzzles.