• 
  Planet Families 2

  Build a solar system in 3d.
• 
  Matter Sorter

  Is it a solid, liquid, gas, or plasma?

• 
  Starchitect

  Build planetary systems at 1 million years per minute
• 
  Magneto Mini Golf

  Play golf with charged particles.
• 
  Planetary Pinball

  Send balls along magnetic field lines
• 
  Wrath of Ra

  Smack Earth with solar events.
• 
  Earth or Mars?

  Identify images by the planet they were taken on.
• 
  Matter Sorter

  Is it a solid, liquid, gas, or plasma?
• 
  Find the Features

  Locate prominent features on Earth and Mars.
• 
  Deflect an Asteroid

  Keep asteroids from destroying Earth
• 
  Fly to Mars

  Launch a spacecraft to Mars.
• 
  The Great Escape

  Escape from cores of stars.
• 
  How Big?

  Drop objects onto the surface of Mars.
• 
  What if it hit my town?

  Drop a rock on someone
• 
  Fly in 3D

  Fly over Mars in 3D.
• 
  Looking for Life

  See if you can recognize life.
• 
  Solar Vision

  Look at the Sun in different ways.
• 
  Can You Find...

  Search for features on the surface of Mars.
• 
  Friend or Foe

  Are giant planets friends or foes?
• 
  Winogradsky Column

  Create a bacterial community.
• 
  Space Challenge

  Play some trivia
• 
  Drake Equation

  What are the chances that we're not alone?
• 
  Magneto Bowling

  Knock down pins with a proton ball.
• 
  Planet Families

  Build a solar system.
• 
  Rubble!

  Use your ship to push asteroids to safe trajectories
• 
  Light Curves

  Guess which asteroid by its light curve
• 
  Extreme Seasons

  3D game showing how seasons change
• 
  Drive a Rover

  Drive a rover on Mars.
• 
  Small and Large

  Arrange objects from closest to farthest.
• 
  Planet Plunge

  Send a probe into Jupiter's core
• 
  Risky Business

  Arrange dangers from lowest to highest
• 
  Near and Far

  Arrange objects from smallest to largest.
• 
  Listening for Life

  Are these sounds natural or intelligent?
• 
  Our Place in Space

  You are out there.