Small browser games, each in its own folder. Every game is a single HTML file: download it and open it in any modern browser. No install, works offline.
rampa-do-vale/ — Rampa do Vale: retro pixel-art fan game of the
Subida da Rampa do Vale de Santo António, an uphill cobblestone bike time trial in Lisbon.
Open rampa-do-vale/jogo-da-rampa.html.