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Might be related, are there any websites where you can learn knowledge/skills like a Skill Tree/Perk Tree in games? I knew Duolingo had a design like that.

• sp4ke 10y ago
  +1 I would be interested by such platform/tool to learn math concepts
• kachnuv_ocasek 10y ago
  Doesn't Khan Academy have that?
  • est 10y ago
    Does Khan Academy have some kind of test, so when I finish it will automatically assess by present abilities and activate corresponding skill icons?
    • lgas 10y ago
      Yes