Repo Safari

Repo Safari is a free browser game from W20 Labs, a small product studio that publishes it on GitHub Pages. It describes itself as a new trail through open source every day, and that is what it is: a short side-scrolling walk where each platform is a room for one GitHub topic, such as RAG, web scraping, Postgres or low code.

The day's trail is drawn from the date, so every player on the same UTC day sees the same rooms in the same order, and no room repeats until the whole pool has been walked. The pool held 81 rooms in late October 2026 at twelve a day, so a room comes back about once a week, in a new mix of neighbours. The room data is rebuilt from GitHub each Monday. A banner over the first room names the trail by its date, and a counter in the corner tracks how many rooms you have visited and how many stickers you have saved today. A fresh trail arrives at midnight UTC.

Above each room a card shows its most starred repository, with its description, star count and how recently it was updated. Drop into the room and you see the rest of its repositories side by side. Any one you like can be saved as a sticker into an album that lives in your browser. Repos that are rising fast appear as rare stickers in a room at the end of the trail and stay for one week only.

The rooms only include projects with a commit in the last six months, and the numbers come from the GitHub API. When you are done, the share button copies a row of squares in Wordle style: green for a room where you saved a sticker, yellow for one you dropped into, white for one you walked past. A streak counts the days you played in that browser.

There is also a side tool, the Idea Shower, that mixes three repositories into product ideas. It is not part of the daily trail. Repo Safari suits developers and anyone curious about open source who wants a light, short daily habit rather than a puzzle to solve.