Math game · Pre-K – 5th grade
🔐 Secret Code Lock
The vault flashes a secret code — watch closely, then tap the buttons back in order to crack it open!
🔒 This one is part of the Family Pass
Every game, 99 narrated stories, Pip's hints and parent reports for up to 4 children — $15.99/month or $159.90/year. Free games are marked on the games page.
Start free, upgrade anytimeWhat does Secret Code Lock teach?
Secret Code Lock is a math game for Pre-K – 5th grade that practises sequence memory. Like every TernQuest game it is tied to a skill on the curriculum map (California Common Core, PK–5), and Pip the tern gives hints, never answers.
Is it free?
It is part of the Family Pass. The free tier includes 50+ games and all 99 narrated stories for one child; the Family Pass unlocks everything for up to 4 children.