100% completion of easy mode with 5 stars for each drill.

100% completion of easy mode.

Complete a drill without making any mistakes.

Complete a drill.

Complete a drill with a time bonus of at least 2000.

100% completion of a chapter.

Answer 10 questions correctly.

100% completion of a chapter with 5 stars for each drill.

Answer 50 questions correctly.

Answer 100 questions correctly.

Answer 1000 questions correctly.

Answer 500 questions correctly.

Answer 10 questions in a row correctly.

Answer 50 questions in a row correctly.

100% completion of level 1.

Answer at least one question of each of the 11 drill types.

100% completion of level 1 with 5 stars for each drill.

100% completion of level 2.

100% completion of level 3.

100% completion of level 2 with 5 stars for each drill.

100% completion of level 3 with 5 stars for each drill.

100% completion of level 4.

Finish Complete Ear Trainer 100%.

100% completion of level 4 with 5 stars for each drill.

Finish Complete Ear Trainer 100%, with 5 stars for each drill.