Decay DLC Achievements

• The Solar Element

  Discover all Period 1 elements.
• The Novel Element

  Discover all Period 2 elements.
• The Inert Element

  Discover all Period 3 elements.
• The Hidden Element

  Discover all Period 4 elements.
• The Strange Element

  Discover all Period 5 elements.
• The Shining Element

  Discover all Period 6 elements.
• The Russian Element

  Discover all Period 7 elements.
• Harness the Sun

  Discover all Period 1 isotopes.
• Ever-Growing Knowledge

  Discover all Period 2 isotopes.
• End of Inertia

  Discover all Period 3 isotopes.
• Secrets Revealed

  Discover all Period 4 isotopes.
• Mystery No More

  Discover all Period 5 isotopes.
• A Shining Example

  Discover all Period 6 isotopes.
• Pride of Oganessian

  Discover all Period 7 isotopes.