Here is the full list of all 54 Khet 2.0 achievements.
Beat the AI on Level 1
Beat the AI on Level 2
Beat the AI on Level 3
Beat the AI on Level 4
Beat the AI on Level 5
Win your first game against a human opponent
Win a game by rotating your Sphinx
Fire a laser which reflects off of 6 surfaces
Fire a laser which reflects off of 7 surfaces
Fire a laser which reflects off of 8 surfaces
Fire a laser which reflects off of 9 surfaces
Fire a laser which reflects off of 10 surfaces
Represent BlueLine to the fullest!
Win your first online match
Win 3 games in a row, online
Win 5 games in a row, online
Win 10 games in a row, online
Win 15 games in a row, online
Lose an online game
Beat a player who has the 'Khetmaster' achivement
Kill your own Pharaoh
Your Pharaoh moves to its own death
Shoot the enemy Sphinx - this does not kill it... it only perpetuates the myth about Napoleon ;)
Shoot your own Sphinx
Destroy the opponent's Pharaoh without reflecting off of any of your own pieces
Win a game in the "Classic" board layout
Win a game in the "Dynasty" board layout
Win a game in the "Imhotep" board layout
Kill off all of the opponent's destroy-able pieces
Win a game while destroying 2 or fewer opponent pieces before their Pharaoh
Win a game while destroying 1 or fewer opponent pieces before their Pharaoh
Win a game by destroying ONLY the opponent's Pharaoh
Fire over 9,000 laser beams!
Knock out all 7 enemy Pyramids in one game
Fry both enemy Anubis pieces in one game
Win a game without losing any pieces
Play 100 games
Win a game in under 5 moves
Win a game in under 10 moves
Shoot the enemy Pharaoh in the back
Win a game using your Scarab for the kill
Win a game in the "Classic²" board layout
Win a game in the "Dynasty²" board layout
Win a game in the "Imhotep²" board layout
Win a game in the "Isis" board layout
Win a game in the "Osiris" board layout
Split the beam twice in 1 firing of the laser
Create an unending loop with the laser
Create a non-simple Ring of Fire
Win a Beamsplitter layout without using the Beamsplitter for the Pharaoh killshot
Win a Beamsplitter layout without using the Beamsplitter for any killshot in that match
Kill two pieces with one firing of the laser
Kill three pieces with one firing of the laser
Kill a piece by hitting it with more than one laser