~>Levels 1-15: Biology
~>Level 16: Ushers you in to Chemistry (interactively)
~>Levels 17- 30: Chemistry
~>Level 31: Ushers you in to Physics (interactively)
~>Levels 32 – 45: Physics
~>Level 46: Ushers you in to a combination of all subjects (interactively)
~>Levels 47 and above: Combination of Biology, Chemistry and Physics Terms