CURRICULUM

Energy Basics: Four Difficulties, 4000 Levels

Energy Basics has four difficulties with 1000 levels each and ten questions per level; count full costs before choice. Basics levels focus on resources, power and efficiency. For each source, track the conversion step where energy is lost.

能源基础闯关Energy Basics1000 关能源基础进阶闯关Energy Intermediate1000 关能源基础高阶闯关Energy Advanced1000 关能源基础挑战闯关Energy Challenge1000 关

How it works

  1. Start at the basic difficulty.
  2. Ten questions per level; clear one to unlock the next.
  3. Review at 1/3/7/14/30 days.

FAQ

Which difficulty?

Start at basic and move up when accuracy stays above 80%.

How many levels each?

1000.