Here is the full list of all 17 Murtop achievements.
Kill 4 enemies at the same time
Kill all the enemies in a row
Finish the stage with a combo
Get 100.000 points
Get your first extra life
Kill 3 enemies at the same time
Enter a new high score
Enter the 1st place in the leaderboard
Kill 2 enemies at the same time
Kill an enemy after Murti gets hurt
Kill 5 enemies at the same time
Kill 6 enemies at the same time
Dig the whole screen
Kill the last enemy on the last second
Finish the stage with no bombs
Get 500.000 points
Get 1.000.000 points