CiSRA Puzzle Competition 2010 - Metapuzzle

The 2010 Metapuzzle was distributed across 20 parts. After successfully solving each of the 20 group puzzles, you were granted access to one of the metapuzzle pieces. In case you didn't see them all, here are all 20 of the metapuzzle pieces:

• Metapuzzle piece 1A.
• Metapuzzle piece 1B.
• Metapuzzle piece 1C.
• Metapuzzle piece 1D.
• Metapuzzle piece 2A.
• Metapuzzle piece 2B.
• Metapuzzle piece 2C.
• Metapuzzle piece 2D.
• Metapuzzle piece 3A.
• Metapuzzle piece 3B.
• Metapuzzle piece 3C.
• Metapuzzle piece 3D.
• Metapuzzle piece 4A.
• Metapuzzle piece 4B.
• Metapuzzle piece 4C.
• Metapuzzle piece 4D.
• Metapuzzle piece 5A.
• Metapuzzle piece 5B.
• Metapuzzle piece 5C.
• Metapuzzle piece 5D.