| African Countries by First 2 Letters | 0 | - | 4.96 | 268,138 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,949 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,102 |
| Official European Union Languages | 0 | - | 4.97 | 238,436 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,806 |
| African East Coast | 0 | - | 4.96 | 96,014 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,347 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,714 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,125 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,395 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,506 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,615 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,134 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,147 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,328 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 56,873 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,346 |
| African Great Lakes | 0 | - | 4.82 | 66,192 |
| Slavic Languages | 0 | - | 4.68 | 54,347 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,070 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,550 |
| African Physical Geography | 0 | - | 4.51 | 31,692 |
| Africa A-Z | 0 | - | 4.57 | 46,598 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,854 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,037 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,931 |
| Top World Languages | 0 | - | 4.92 | 821,766 |
| Famous People from Africa | 0 | - | 4.45 | 10,949 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,370 |
| Word Chain - Africa | 0 | - | 4.47 | 31,611 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,737 |
| Australian Capitals | 0 | - | 4.92 | 62,718 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,536 |
| Countries by Official Language | 0 | - | 4.95 | 194,863 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,846 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,840 |
| Countries in their Native Language | 0 | - | 4.99 | 198,405 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,735 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,329 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,963 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,955 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,079 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,053 |
| Asia Map Quiz | 0 | - | 4.99 | 916,348 |
| Geography of South Africa | 0 | - | 4.54 | 17,241 |
| History of South Africa | 0 | - | 4.60 | 17,684 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,887 |
| Countries of Africa | 0 | - | 5.00 | 2,535,603 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,788 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,753 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,837 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,660 |
| Australia Map Quiz | 0 | - | 4.95 | 344,523 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,164 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,639 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,937 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,362 |
| Celtic Nations | 0 | - | 4.69 | 46,934 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,967 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,166 |
| The Only European Country ... | 0 | - | 4.91 | 216,509 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,057 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,826 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,916 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,726 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,043 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,038 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,376 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,671 |
| German-Speaking Countries | 0 | - | 4.92 | 145,518 |
| Italian Name Translation | 0 | - | 4.83 | 46,685 |
| French-Speaking Countries | 0 | - | 4.85 | 270,440 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,311 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,958 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,915 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,551 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,188 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,232 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,450 |
| African Island Countries | 0 | - | 4.96 | 101,590 |
| Provinces of South Africa | 0 | - | 4.74 | 21,699 |
| Australian States and Territories | 0 | - | 4.96 | 141,928 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,279 |
| Australia True or False | 0 | - | 4.87 | 56,844 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,590 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,197 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,713 |
| North America Map Quiz | 0 | - | 4.98 | 248,353 |
| United States Map Quiz | 0 | - | 4.98 | 4,157,409 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,866 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,382 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,625 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,167 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,606 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,120 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,345 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,414 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,570 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,112 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,233 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,153 |
| Slavic Countries | 0 | - | 4.96 | 111,619 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,340 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,981 |
| Languages of Spain | 0 | - | 4.36 | 23,314 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,203 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,698 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,122 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,960 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,844 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,472 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,290 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,875 |
| Countries of the Middle East | 0 | - | 4.96 | 201,081 |
| English Speaking Countries | 0 | - | 4.64 | 357,273 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,789 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,635 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,523 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,149 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,885 |
| Australia Country Quiz | 0 | - | 4.43 | 69,576 |
| Flags of North and South America | 0 | - | 4.99 | 372,871 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,194 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,678 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,322 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,124 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,369 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,304 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,480 |
| Counties of England | 0 | - | 4.97 | 796,341 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,694 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,166 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,229 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,725 |
| States of India | 0 | - | 4.95 | 193,129 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,765 |
| African Geography A-Z | 0 | - | 4.33 | 21,476 |
| The Only African Country ... | 0 | - | 4.99 | 129,076 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,114 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,829 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,169 |
| Flags of Oceania | 0 | - | 5.00 | 258,898 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,316 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,379 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,551 |
| Regions of New Zealand | 0 | - | 4.85 | 28,503 |
| The Only American Country ... | 0 | - | 4.92 | 121,565 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,080 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,562 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,003 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,902 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,642 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,056 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,456 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,401 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,437 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,968 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,920 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,052 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,816 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,476 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,242 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,084 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,707 |
| Monarchies of Europe | 0 | - | 4.90 | 98,110 |
| European Countries with One Border | 0 | - | 4.97 | 182,728 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,525 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,395 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,162 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,929 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,039 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,869 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,368 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,758 |
| States of Germany | 0 | - | 4.96 | 152,426 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,007 |
| Regions of Italy | 0 | - | 4.92 | 75,832 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,116 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,906 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,178 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,444 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,970 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,566 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,691 |
| Champions League Winners | 0 | - | 4.92 | 1,006,217 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,485 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,955 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,246 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,755 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,157 |
| Monarchies of Asia | 0 | - | 4.97 | 71,073 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,868 |
| Provinces of Turkey | 0 | - | 4.95 | 204,025 |
| Provinces of China | 0 | - | 4.97 | 204,232 |
| Japanese Prefectures | 0 | - | 4.98 | 136,817 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,940 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,821 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,813 |
| States of India Map Quiz | 0 | - | 4.83 | 26,502 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,215 |
