Here is the full list of all 54 Khet 2.0 achievements.
Split the beam twice in 1 firing of the laser
Win a game in the "Classic²" board layout
Destroy the opponent's Pharaoh without reflecting off of any of your own pieces
Shoot the enemy Pharaoh in the back
Kill off all of the opponent's destroy-able pieces
Knock out all 7 enemy Pyramids in one game
Win a game in the "Imhotep" board layout
Win a game in the "Dynasty" board layout
Win a game using your Scarab for the kill
Fry both enemy Anubis pieces in one game
Fire a laser which reflects off of 9 surfaces
Fire a laser which reflects off of 10 surfaces
Fire a laser which reflects off of 8 surfaces
Fire a laser which reflects off of 7 surfaces
Win a game by rotating your Sphinx
Win a game by destroying ONLY the opponent's Pharaoh
Win your first game against a human opponent
Win a game in the "Classic" board layout
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 without losing any pieces
Win a game in under 5 moves
Win a game in under 10 moves
Shoot the enemy Sphinx - this does not kill it... it only perpetuates the myth about Napoleon ;)
Kill your own Pharaoh
Fire a laser which reflects off of 6 surfaces
Shoot your own Sphinx
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
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
Your Pharaoh moves to its own death
Fire over 9,000 laser beams!
Play 100 games
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
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