Here is the full list of all 40 Space Bugs achievements.
Congratulations, you have completed the first level and reached maximum points
Congratulations, you have completed the second level and reached maximum points
Congratulations, you have completed the third level and reached maximum points
Congratulations, you have completed the fourth level and reached maximum points
Congratulations, you have completed the fifth level and reached maximum points
Congratulations, you have completed the sixth level and reached maximum points
Congratulations, you have completed the seventh level and reached maximum points
Congratulations, you have completed the eighth level and reached maximum points
Congratulations, you have completed the ninth level and reached maximum points
Congratulations, you have completed the tenth level and reached maximum points
Congratulations, you have completed the eleventh level and reached maximum points
Congratulations, you have completed the twelfth level and reached maximum points
Congratulations, you have completed the thirteenth level and reached maximum points
Congratulations, you have completed the fourteenth level and reached maximum points
Congratulations, you have completed the fifteenth level and reached maximum points
Congratulations, you have completed the sixteenth level and reached maximum points
Congratulations, you have completed the seventeenth level and reached maximum points
Congratulations, you have completed the eighteenth level and reached maximum points
Congratulations, you have completed the nineteenth level and reached maximum points
Congratulations, you have completed the twentieth level and reached maximum points
Congratulations, you have completed the twenty-first level and reached the maximum score
Congratulations, you have completed the twenty-secondth level and reached the maximum score
Congratulations, you have completed the twenty-third level and reached the maximum score
Congratulations, you have completed the twenty-fourth level and reached the maximum score
Congratulations, you have completed the twenty-fifth level and reached the maximum score
Congratulations, you have completed the twenty-sixth level and reached the maximum score
Congratulations, you have completed the twenty-seventh level and reached the maximum score
Congratulations, you have completed the twenty-eighth level and reached the maximum score
Congratulations, you have completed the twenty-ninth level and reached the maximum score
Congratulations, you have reached the thirtieth level and reached the maximum score
You defeated the biggest bug, congratulation