| African Countries by First 2 Letters | 0 | - | 4.96 | 266,680 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,599 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,642 |
| Official European Union Languages | 0 | - | 4.97 | 237,059 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,780 |
| African East Coast | 0 | - | 4.96 | 95,138 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,833 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,401 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,687 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,763 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,268 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,193 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,511 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,049 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,022 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,626 |
| African Great Lakes | 0 | - | 4.82 | 65,271 |
| Slavic Languages | 0 | - | 4.67 | 54,026 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,258 |
| 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 | 217,009 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,225 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,348 |
| Top World Languages | 0 | - | 4.92 | 813,897 |
| Famous People from Africa | 0 | - | 4.45 | 10,866 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,221 |
| 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 | 62,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,197 |
| Countries by Official Language | 0 | - | 4.95 | 192,903 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,601 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,028 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,311 |
| Countries in their Native Language | 0 | - | 4.99 | 196,756 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,930 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,590 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,816 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 38,009 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,942 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,510 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,836 |
| Asia Map Quiz | 0 | - | 4.99 | 907,799 |
| 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 | 2,510,491 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,895 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,700 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,014 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,895 |
| Australia Map Quiz | 0 | - | 4.94 | 342,669 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,325 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,255 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,197 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,526 |
| Celtic Nations | 0 | - | 4.69 | 46,826 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,572 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,719 |
| The Only European Country ... | 0 | - | 4.91 | 214,107 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,733 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,577 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,659 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,605 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,151 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,730 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,339 |
| German-Speaking Countries | 0 | - | 4.89 | 123,543 |
| Italian Name Translation | 0 | - | 4.81 | 45,201 |
| French-Speaking Countries | 0 | - | 4.85 | 268,985 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,089 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,473 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,735 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,644 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,367 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,558 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,257 |
| African Island Countries | 0 | - | 4.96 | 100,862 |
| Provinces of South Africa | 0 | - | 4.74 | 21,415 |
| Australian States and Territories | 0 | - | 4.96 | 140,990 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,036 |
| Australia True or False | 0 | - | 4.87 | 56,540 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,190 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,234 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,352 |
| North America Map Quiz | 0 | - | 4.98 | 244,826 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,350 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,536 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,252 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,789 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,391 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,556 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,535 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,914 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,050 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,205 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,670 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,358 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,283 |
| Slavic Countries | 0 | - | 4.96 | 110,931 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,069 |
| Languages of Spain | 0 | - | 4.36 | 23,162 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,411 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,878 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,482 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,334 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,857 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,594 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,939 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,233 |
| Countries of the Middle East | 0 | - | 4.96 | 199,127 |
| English Speaking Countries | 0 | - | 4.64 | 356,145 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,176 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,299 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,871 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,350 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,054 |
| Australia Country Quiz | 0 | - | 4.43 | 69,326 |
| Flags of North and South America | 0 | - | 4.99 | 367,985 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,837 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,899 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,349 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,373 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,436 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,653 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,187 |
| Counties of England | 0 | - | 4.97 | 789,912 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,494 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,311 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,313 |
| States of India | 0 | - | 4.94 | 190,538 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,284 |
| African Geography A-Z | 0 | - | 4.33 | 21,425 |
| The Only African Country ... | 0 | - | 4.99 | 128,416 |
| 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 | 156,173 |
| Flags of Oceania | 0 | - | 5.00 | 255,653 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,954 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,504 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,102 |
| Regions of New Zealand | 0 | - | 4.85 | 28,232 |
| The Only American Country ... | 0 | - | 4.92 | 120,840 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,413 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,368 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,005 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,070 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,953 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,098 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,010 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,444 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,933 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,129 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,542 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,417 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,417 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,094 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,503 |
| 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 | 121,898 |
| Monarchies of Europe | 0 | - | 4.90 | 97,398 |
| European Countries with One Border | 0 | - | 4.97 | 181,731 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,634 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,368 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,054 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,271 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,271 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,312 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,828 |
| States of Germany | 0 | - | 4.96 | 150,284 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,107 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,573 |
| Regions of Italy | 0 | - | 4.92 | 74,830 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,895 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,480 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,351 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,386 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,102 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,229 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,553 |
| Champions League Winners | 0 | - | 4.92 | 997,335 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,051 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,144 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,455 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,975 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,503 |
| Monarchies of Asia | 0 | - | 4.97 | 70,648 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,467 |
| Provinces of Turkey | 0 | - | 4.95 | 201,639 |
| Provinces of China | 0 | - | 4.97 | 200,508 |
| Japanese Prefectures | 0 | - | 4.98 | 134,800 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,884 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,281 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,005 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,567 |
| States of India Map Quiz | 0 | - | 4.82 | 26,081 |
