Complete all easy levels of the "Algorithm calculation" game
Get 5 stars in the "Memory training" game
Complete all medium levels of the "Algorithm calculation" game
Complete all hard levels of the "Algorithm calculation" game
Reach 100 level in the game "Arithmetic" with the difficulty level "+ -"
Complete all professional levels of the "Algorithm calculation" game
Reach 100 level in the game "Arithmetic" with the difficulty level "+ - ×"
Reach 100 level in the game "Arithmetic" with the difficulty level "+ - × ÷"
Complete all medium levels of the "Observation" game
Complete all easy levels of the "Observation" game
Complete all hard levels of the "Observation" game
Complete all professional levels of the "Observation" game