Hi Pete, I added JavaScript in SL2 and use Google Sheets for leader-board, you may refer to these threads below:
https://community.articulate.com/discussions/articulate-storyline/create-a-leaderboard-in-wordpress-for-your-storyline-game
http://elearningbrothers.com/how-to-create-a-leaderboard-elearning-google/
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