| African Countries by First 2 Letters | 0 | - | 4.96 | 267,316 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,145 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,834 |
| Official European Union Languages | 0 | - | 4.97 | 237,592 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,279 |
| African East Coast | 0 | - | 4.96 | 95,475 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,457 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,520 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,848 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,993 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,351 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,370 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,606 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,109 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,183 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,605 |
| African Great Lakes | 0 | - | 4.82 | 65,659 |
| Slavic Languages | 0 | - | 4.68 | 54,141 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,090 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,482 |
| Africa A-Z | 0 | - | 4.57 | 46,489 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,002 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,539 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,689 |
| Top World Languages | 0 | - | 4.92 | 816,852 |
| Famous People from Africa | 0 | - | 4.45 | 10,921 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,295 |
| Word Chain - Africa | 0 | - | 4.47 | 31,535 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,571 |
| Australian Capitals | 0 | - | 4.92 | 62,652 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,326 |
| Countries by Official Language | 0 | - | 4.95 | 193,911 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,084 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,278 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,401 |
| Countries in their Native Language | 0 | - | 4.99 | 197,548 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,748 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,101 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,887 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.70 | 38,486 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,235 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,423 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,712 |
| Asia Map Quiz | 0 | - | 4.99 | 910,531 |
| African Physical Geography | 0 | - | 4.51 | 31,612 |
| Geography of South Africa | 0 | - | 4.54 | 17,188 |
| History of South Africa | 0 | - | 4.60 | 17,635 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,799 |
| Countries of Africa | 0 | - | 5.00 | 2,519,970 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,220 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,719 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,325 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,158 |
| Australia Map Quiz | 0 | - | 4.94 | 343,189 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,989 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,441 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,830 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,130 |
| Celtic Nations | 0 | - | 4.69 | 46,869 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,733 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,231 |
| The Only European Country ... | 0 | - | 4.91 | 214,998 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,240 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,658 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,141 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,926 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,751 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,511 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,198 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,450 |
| German-Speaking Countries | 0 | - | 4.91 | 142,612 |
| Italian Name Translation | 0 | - | 4.81 | 45,797 |
| French-Speaking Countries | 0 | - | 4.85 | 269,678 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,190 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,623 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,157 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,856 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,637 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,807 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,692 |
| African Island Countries | 0 | - | 4.96 | 101,117 |
| Provinces of South Africa | 0 | - | 4.74 | 21,520 |
| Australian States and Territories | 0 | - | 4.96 | 141,311 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,121 |
| Australia True or False | 0 | - | 4.87 | 56,662 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,383 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,488 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,764 |
| North America Map Quiz | 0 | - | 4.98 | 246,296 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,744 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,661 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,313 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,100 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,671 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,282 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,737 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,078 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,191 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,319 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,235 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,687 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,501 |
| Slavic Countries | 0 | - | 4.96 | 111,201 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,186 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,729 |
| Languages of Spain | 0 | - | 4.36 | 23,229 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,789 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,195 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,703 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,553 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,255 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,935 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,512 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,467 |
| Countries of the Middle East | 0 | - | 4.96 | 199,769 |
| English Speaking Countries | 0 | - | 4.64 | 356,630 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,377 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,442 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,101 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,643 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,522 |
| Australia Country Quiz | 0 | - | 4.43 | 69,417 |
| Flags of North and South America | 0 | - | 4.99 | 369,869 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,167 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,740 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,681 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,683 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,844 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,149 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,285 |
| Counties of England | 0 | - | 4.97 | 792,186 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,317 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,698 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,479 |
| States of India | 0 | - | 4.94 | 191,564 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,435 |
| African Geography A-Z | 0 | - | 4.33 | 21,447 |
| The Only African Country ... | 0 | - | 4.98 | 128,680 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,906 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,380 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,690 |
| Flags of Oceania | 0 | - | 5.00 | 256,796 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,113 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,786 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,278 |
| Regions of New Zealand | 0 | - | 4.85 | 28,362 |
| The Only American Country ... | 0 | - | 4.92 | 121,139 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,707 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,668 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,339 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,245 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,426 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,182 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,775 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,138 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,407 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,664 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,716 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,601 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,311 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,870 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,444 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,556 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,205 |
| Monarchies of Europe | 0 | - | 4.90 | 97,665 |
| European Countries with One Border | 0 | - | 4.97 | 182,071 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,936 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,654 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,486 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,274 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,118 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,502 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,699 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,105 |
| States of Germany | 0 | - | 4.96 | 150,989 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,327 |
| Regions of Italy | 0 | - | 4.92 | 75,138 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,080 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,115 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,691 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,136 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,304 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,594 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,611 |
| Champions League Winners | 0 | - | 4.92 | 1,000,343 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,165 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,451 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,734 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,574 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,752 |
| Monarchies of Asia | 0 | - | 4.97 | 70,812 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,606 |
| Provinces of Turkey | 0 | - | 4.95 | 202,773 |
| Provinces of China | 0 | - | 4.97 | 201,955 |
| Japanese Prefectures | 0 | - | 4.98 | 135,619 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,272 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,487 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,276 |
| States of India Map Quiz | 0 | - | 4.83 | 26,211 |
