| African Countries by First 2 Letters | 0 | - | 4.96 | 269,596 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,428 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,827 |
| Official European Union Languages | 0 | - | 4.97 | 240,144 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,778 |
| African East Coast | 0 | - | 4.96 | 96,894 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,028 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,636 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,184 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,792 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,806 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,070 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,255 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,479 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,903 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,611 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,476 |
| Slavic Languages | 0 | - | 4.67 | 54,760 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,933 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,699 |
| African Great Lakes | 0 | - | 4.82 | 67,094 |
| Word Chain - Africa | 0 | - | 4.47 | 31,729 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,001 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,972 |
| African Physical Geography | 0 | - | 4.51 | 31,830 |
| Africa A-Z | 0 | - | 4.57 | 46,793 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,982 |
| Top World Languages | 0 | - | 4.92 | 830,976 |
| Australian Capitals | 0 | - | 4.92 | 62,856 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,985 |
| Famous People from Africa | 0 | - | 4.45 | 11,015 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,506 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,992 |
| Countries by Official Language | 0 | - | 4.95 | 196,173 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,571 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,879 |
| Countries in their Native Language | 0 | - | 4.99 | 199,921 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,103 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,063 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,274 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,189 |
| Asia Map Quiz | 0 | - | 4.99 | 926,356 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,319 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,108 |
| Geography of South Africa | 0 | - | 4.54 | 17,361 |
| History of South Africa | 0 | - | 4.60 | 17,777 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,086 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,572 |
| Australia Map Quiz | 0 | - | 4.95 | 346,415 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,242 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,971 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,128 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,487 |
| Celtic Nations | 0 | - | 4.61 | 47,123 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,367 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,417 |
| The Only European Country ... | 0 | - | 4.91 | 219,457 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,772 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,092 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,105 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,847 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,438 |
| Countries of Africa | 0 | - | 5.00 | 2,563,543 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,205 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,827 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,775 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,998 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,972 |
| Top World Languages A-Z | 0 | - | 4.81 | 37,013 |
| German-Speaking Countries | 0 | - | 4.92 | 146,076 |
| Italian Name Translation | 0 | - | 4.83 | 48,124 |
| French-Speaking Countries | 0 | - | 4.85 | 271,841 |
| Provinces of South Africa | 0 | - | 4.74 | 22,029 |
| Australian States and Territories | 0 | - | 4.96 | 142,998 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,536 |
| Australia True or False | 0 | - | 4.86 | 57,197 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,062 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,957 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,823 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,779 |
| North America Map Quiz | 0 | - | 4.98 | 252,588 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,024 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,228 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,158 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,881 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,112 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,082 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,356 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,684 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,331 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,887 |
| Slavic Countries | 0 | - | 4.96 | 112,479 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,733 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,502 |
| Languages of Spain | 0 | - | 4.36 | 23,461 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,901 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,686 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,049 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,282 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,970 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,445 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,838 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,749 |
| Countries of the Middle East | 0 | - | 4.96 | 203,192 |
| Officially Recognized Languages of India | 0 | - | 4.40 | 31,624 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,557 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,026 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,653 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,104 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,901 |
| African Island Countries | 0 | - | 4.96 | 102,697 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,532 |
| English Speaking Countries | 0 | - | 4.64 | 358,400 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,493 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,983 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,233 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,954 |
| Australia Country Quiz | 0 | - | 4.43 | 69,880 |
| Flags of North and South America | 0 | - | 4.99 | 377,837 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,047 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,892 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,884 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,179 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,648 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,839 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,801 |
| Counties of England | 0 | - | 4.97 | 803,964 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,406 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,571 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,769 |
| Places in their Native Language #2 | 0 | - | 4.80 | 135,048 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 128,458 |
| Flags of Oceania | 0 | - | 5.00 | 263,302 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,796 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,633 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,084 |
| Regions of New Zealand | 0 | - | 4.84 | 28,778 |
| The Only American Country ... | 0 | - | 4.92 | 122,318 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,750 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,366 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,922 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,284 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,262 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,942 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,934 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,034 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,146 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,313 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,589 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,075 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,953 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,684 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,781 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,865 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,589 |
| Monarchies of Europe | 0 | - | 4.90 | 98,998 |
| European Countries with One Border | 0 | - | 4.97 | 183,973 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,687 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,040 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,515 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,124 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,852 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,555 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,779 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,940 |
| States of Germany | 0 | - | 4.95 | 154,854 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,780 |
| Regions of Italy | 0 | - | 4.92 | 77,222 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,887 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,512 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,870 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,728 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,594 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,229 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,857 |
| Champions League Winners | 0 | - | 4.92 | 1,017,506 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,096 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,031 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,235 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,736 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,861 |
| Monarchies of Asia | 0 | - | 4.97 | 71,585 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,336 |
| Provinces of Turkey | 0 | - | 4.95 | 206,227 |
| Provinces of China | 0 | - | 4.97 | 208,587 |
| Japanese Prefectures | 0 | - | 4.98 | 139,309 |
| States of India | 0 | - | 4.94 | 196,341 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,541 |
| African Geography A-Z | 0 | - | 4.33 | 21,546 |
| The Only African Country ... | 0 | - | 4.99 | 129,766 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,430 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,235 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,561 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,958 |
| Name an Official Language A-Z | 0 | - | 4.91 | 177,116 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,894 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,630 |
