Researcher
Complete a level in less steps that the stated number.
30 ✓ December 8th, 2015
Mathematical Zeus
Complete all Greece levels with 3 stars.
15 ✓ December 7th, 2015
Mathematical Pharaoh
Complete all Egypt levels with 3 stars.
15 ✓ December 9th, 2015
Mathematical Emperor
Complete all China levels with 3 stars.
15 ✓ May 15th, 2017
Outstanding student
Get 3 stars on one level.
5 ✓ November 29th, 2015
Division by 0
Try to divide by 0... error!
5 ✓ May 15th, 2017
3,141592
Complete more than PI levels.
5 ✓ November 29th, 2015
Fibonacci
Complete 1+1+2+3 levels.
5 ✓ November 29th, 2015
Professor
Get 3 stars on three consecutive levels.
5 ✓ November 29th, 2015
Genius
Get 3 stars on ten consecutive levels.
5 ✓ November 30th, 2015
Pythagoras
Complete all Greece levels.
5 ✓ December 7th, 2015
Ahmes Papyrus
Complete all Egypt levels.
5 ✓ December 9th, 2015
Liu Hui
Complete all China levels.
5 ✓ May 15th, 2017
Unbeatable
Complete three laps around the world with 3 stars
50 
Globetrotter
Complete three laps around the world
40 
World Champion x2
Complete two laps around the world with 3 stars
35 
Life of the party
Challenge 5 different friends.
30 
Experienced Traveler
Complete two laps around the world
25 
World Champion
Complete a lap around the world with 3 stars
20 
Socializing
Challenge a friend.
15 
Making friends
Challenge a random player.
15 
Caliph of Mathematics
Complete all Arabia levels with 3 stars
15 
Around the world
Complete a lap around the world
10 
Smartest of the gang
Beat 3 different friends in challenge.
5 
Winning streak!
Win 3 consecutive challenges.
5 
Velociraptor
Win a challenge by beating your opponent in all tests.
5 
Gotcha!
Reach a friend on the road.
5 
Al-Khwarizmi
Complete all Arabia levels
5