| Countries by First and Last Two Letters | 1,801,848 | 0 | - |
| Holy Roman Empire Countries | 54,659 | 0 | - |
| Countries Based on First Two Letters #1 | 196,200 | 0 | - |
| Countries of the World with a Borderless Map | 81,240 | 0 | - |
| Do You Have A Good Verbal Memory? | 72,815 | 0 | - |
| Top 10 Coldest African Countries | 21,278 | 0 | - |
| Fifty US States in One Minute | 3,516,555 | 0 | - |
| Countries Closest to Greece | 24,771 | 0 | - |
| Random Countries with Letters Missing | 93,258 | 0 | - |
| All Countries of the World by Area with Hints | 238,900 | 0 | - |
| Every African Country Shape | 85,880 | 0 | - |
| Countries by Languages in 90 Seconds | 710,669 | 0 | - |
| Click the European Countries in the Top Half by Elevation | 40,512 | 0 | - |
| Italian Foods | 72,125 | 0 | - |
| Most-Spoken Languages of the United States | 216,354 | 0 | - |
| Draw the World Map | 126,668 | 0 | - |
| Draw Borders in the Contiguous United States | 4,359 | - | - |
| World Countries - Blind Typing | 105,411 | 0 | - |
| Countries of Europe - One Minute Sprint | 1,318,714 | 0 | - |
| Monarchies of Europe | 97,225 | 0 | - |
| World's Biggest Islands | 139,498 | 0 | - |
| Landlocked Countries | 412,980 | 0 | - |
| Random Country Shapes Revealing Country Shapes | 75,106 | 0 | - |
| World Currency Quiz | 297,901 | 0 | - |
| Countries that Start with J | 595,284 | 0 | - |
| U.S. States Closest to Tokyo | 59,333 | 0 | - |
| Straits on the World Map | 7,095 | - | - |
| World Capitals Quiz | 5,026,521 | 0 | - |
| Second Biggest Cities by Country | 58,848 | 0 | - |
| Think Fast - Next Letter in the Alphabet | 151,867 | 0 | - |
| Départements, régions et préfectures sur une carte de France | 42,476 | 0 | - |
| Countries, Capitals, Currencies and Official Languages | 105,111 | 0 | - |
| Singapore Airlines Destinations on a Map | 24,001 | 0 | - |
| Random World Capitals on a Map | 133,019 | 0 | - |
| States of India | 189,750 | 0 | - |
| European Capitals - Sudden Death | 206,030 | 0 | - |
| History of China | 56,647 | 0 | - |
| Biggest Cities in Europe | 541,653 | 0 | - |
| U.S. State Flags | 166,755 | 0 | - |
| Countries of the World with an Empty Map | 3,360,408 | 0 | - |
| Countries with the 2nd Most Speakers | 27,119 | 0 | - |
| Every Asian Country Shape | 86,501 | 0 | - |
| Top 10 Biggest African Countries by Area | 215,501 | 0 | - |
| Countries Closest to India | 102,153 | 0 | - |
| Country Shapes in the Map of Europe #1 | 10,988 | - | - |
| Country Shapes in the World Map #1 - 30 Seconds Sprint | 15,826 | - | - |
| Country Shapes in the Map of Europe #3 | 7,870 | - | - |
| Sahel Countries on a Map | 20,950 | 0 | - |
| Country Flags With Only Two Colors | 87,673 | 0 | - |
| All Country Flags by Initial Letter in 2 Minutes | 55,736 | 0 | - |
| Southernmost Country by Clue | 17,606 | 0 | - |
| 12 x 12 Multiplication Table in 2 Minutes | 797,407 | 0 | - |
| U.S. States or European Countries by Population | 131,808 | 0 | - |
| Famous Ancient Romans | 84,990 | 0 | - |
| Countries of Europe in 1815 With a Map | 148,795 | 0 | - |
| Count in Roman Numerals - 30 Second Sprint | 101,368 | 0 | - |
| Top 10 Asian Countries by Population Increase | 107,769 | 0 | - |
| Departments of El Salvador (With a Map) | 8,907 | - | - |
| U.S. Presidents by Picture | 423,323 | 0 | - |
