| African Countries by First 2 Letters | 0 | - | 4.96 | 266,682 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,601 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,643 |
| Official European Union Languages | 0 | - | 4.97 | 237,062 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,800 |
| African East Coast | 0 | - | 4.96 | 95,140 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,835 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,403 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,690 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,766 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,269 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,195 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,518 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,051 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,025 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,629 |
| African Great Lakes | 0 | - | 4.82 | 65,271 |
| Slavic Languages | 0 | - | 4.67 | 54,026 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,260 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,440 |
| Africa A-Z | 0 | - | 4.57 | 46,395 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,021 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,225 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,355 |
| Top World Languages | 0 | - | 4.92 | 813,919 |
| Famous People from Africa | 0 | - | 4.45 | 10,866 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,223 |
| Word Chain - Africa | 0 | - | 4.47 | 31,449 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,482 |
| Australian Capitals | 0 | - | 4.92 | 62,599 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,266 |
| Countries by Official Language | 0 | - | 4.95 | 192,908 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,604 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,031 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,318 |
| Countries in their Native Language | 0 | - | 4.99 | 196,759 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,934 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,619 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,816 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 38,013 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,979 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,516 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,846 |
| Asia Map Quiz | 0 | - | 4.99 | 907,826 |
| African Physical Geography | 0 | - | 4.51 | 31,575 |
| Geography of South Africa | 0 | - | 4.54 | 17,152 |
| History of South Africa | 0 | - | 4.60 | 17,611 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,736 |
| Countries of Africa | 0 | - | 5.00 | 2,510,583 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,895 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,701 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,015 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,902 |
| Australia Map Quiz | 0 | - | 4.94 | 342,675 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,327 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,256 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,203 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,528 |
| Celtic Nations | 0 | - | 4.69 | 46,827 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,573 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,722 |
| The Only European Country ... | 0 | - | 4.91 | 214,113 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,734 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,586 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,671 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,605 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,153 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,731 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,340 |
| German-Speaking Countries | 0 | - | 4.89 | 123,543 |
| Italian Name Translation | 0 | - | 4.81 | 45,207 |
| French-Speaking Countries | 0 | - | 4.85 | 268,991 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,090 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,473 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,739 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,645 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,369 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,559 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,261 |
| African Island Countries | 0 | - | 4.96 | 100,867 |
| Provinces of South Africa | 0 | - | 4.74 | 21,416 |
| Australian States and Territories | 0 | - | 4.96 | 140,996 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,039 |
| Australia True or False | 0 | - | 4.87 | 56,542 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,191 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,234 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,354 |
| North America Map Quiz | 0 | - | 4.98 | 244,841 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,389 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,539 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,792 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,393 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,565 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,536 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,914 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,065 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,213 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,678 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,362 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,284 |
| Slavic Countries | 0 | - | 4.96 | 110,936 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,069 |
| Languages of Spain | 0 | - | 4.36 | 23,162 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,416 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,882 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,483 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,336 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,864 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,598 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,941 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,235 |
| Countries of the Middle East | 0 | - | 4.96 | 199,131 |
| English Speaking Countries | 0 | - | 4.64 | 356,151 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,176 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,300 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,874 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,355 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,075 |
| Australia Country Quiz | 0 | - | 4.43 | 69,328 |
| Flags of North and South America | 0 | - | 4.99 | 368,005 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,851 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,937 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,366 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,384 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,463 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,670 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,187 |
| Counties of England | 0 | - | 4.97 | 789,919 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,502 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,319 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,313 |
| States of India | 0 | - | 4.94 | 190,551 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,286 |
| African Geography A-Z | 0 | - | 4.33 | 21,425 |
| The Only African Country ... | 0 | - | 4.98 | 128,418 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,809 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,152 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,186 |
| Flags of Oceania | 0 | - | 5.00 | 255,662 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,954 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,510 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,105 |
| Regions of New Zealand | 0 | - | 4.85 | 28,232 |
| The Only American Country ... | 0 | - | 4.92 | 120,841 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,413 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,370 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,008 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,074 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,955 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,098 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,012 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,448 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,936 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,131 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,543 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,420 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,418 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,095 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,508 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,009 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,300 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,902 |
| Monarchies of Europe | 0 | - | 4.90 | 97,400 |
| European Countries with One Border | 0 | - | 4.97 | 181,734 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,634 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,370 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,057 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,280 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,273 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,313 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,831 |
| States of Germany | 0 | - | 4.96 | 150,292 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,110 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,576 |
| Regions of Italy | 0 | - | 4.92 | 74,831 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,897 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,481 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,356 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,387 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,104 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,231 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,554 |
| Champions League Winners | 0 | - | 4.92 | 997,354 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,052 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,150 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,456 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,987 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,504 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,469 |
| Provinces of Turkey | 0 | - | 4.95 | 201,647 |
| Provinces of China | 0 | - | 4.97 | 200,522 |
| Japanese Prefectures | 0 | - | 4.98 | 134,809 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,888 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,281 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,009 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,611 |
| States of India Map Quiz | 0 | - | 4.82 | 26,083 |
