| Australia... or New Zealand? | 0 | - | 4.83 | 61,449 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,997 |
| Official European Union Languages | 0 | - | 4.97 | 238,122 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,612 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,673 |
| Australia True or False | 0 | - | 4.87 | 56,767 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,652 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,037 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,248 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,436 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,257 |
| Australia Country Quiz | 0 | - | 4.43 | 69,518 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,692 |
| Slavic Languages | 0 | - | 4.68 | 54,270 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,529 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,869 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,174 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,847 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,677 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,554 |
| Top World Languages | 0 | - | 4.92 | 820,042 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,100 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,953 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,412 |
| Countries by Official Language | 0 | - | 4.95 | 194,608 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,538 |
| Places in their Native Language #2 | 0 | - | 4.79 | 133,809 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,485 |
| Countries in their Native Language | 0 | - | 4.99 | 198,153 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,527 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,606 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,137 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,572 |
| Word Chain - Australia | 0 | - | 4.38 | 38,112 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,490 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,859 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,505 |
| Asia Map Quiz | 0 | - | 4.99 | 914,445 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,947 |
| Countries of Africa | 0 | - | 5.00 | 2,530,051 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,599 |
| African East Coast | 0 | - | 4.96 | 95,827 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,608 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,033 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,452 |
| Australia Map Quiz | 0 | - | 4.95 | 343,833 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,921 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,733 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,578 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,534 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,938 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,878 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,828 |
| The Only European Country ... | 0 | - | 4.91 | 215,981 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,767 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,755 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,633 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,834 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,856 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,319 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,570 |
| German-Speaking Countries | 0 | - | 4.91 | 145,299 |
| Italian Name Translation | 0 | - | 4.82 | 46,349 |
| French-Speaking Countries | 0 | - | 4.85 | 270,181 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,272 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,867 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,244 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,637 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,384 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,994 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,157 |
| African Island Countries | 0 | - | 4.96 | 101,421 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,056 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,673 |
| Australian States and Territories | 0 | - | 4.96 | 141,694 |
| Famous Australians by Description | 0 | - | 4.23 | 27,875 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,230 |
| Australian Slang | 0 | - | 4.24 | 28,596 |
| Flags of North and South America | 0 | - | 4.99 | 371,882 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,287 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,302 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,537 |
| North America Map Quiz | 0 | - | 4.98 | 247,662 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,355 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,150 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,788 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,360 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,917 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,191 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,422 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,968 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,164 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,983 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,245 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,962 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,600 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,795 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,000 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,723 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,285 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,873 |
| Languages of Spain | 0 | - | 4.36 | 23,283 |
| Counties of England | 0 | - | 4.97 | 794,790 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,420 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,083 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,525 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,806 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,651 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,998 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,758 |
| Countries of the Middle East | 0 | - | 4.96 | 200,732 |
| English Speaking Countries | 0 | - | 4.64 | 357,062 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,640 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,558 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,382 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,954 |
| States of India | 0 | - | 4.94 | 192,605 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,529 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,277 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,636 |
| The Only African Country ... | 0 | - | 4.98 | 128,925 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,057 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,646 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,406 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,983 |
| Flags of Oceania | 0 | - | 5.00 | 258,154 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,176 |
| The Only American Country ... | 0 | - | 4.92 | 121,401 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,931 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,517 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,484 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,701 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,546 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,843 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,358 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,168 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,323 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,737 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,818 |
| US States Quiz | 0 | - | 5.00 | 16,831,017 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,931 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,667 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,247 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,904 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,902 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,390 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,499 |
| Monarchies of Europe | 0 | - | 4.90 | 97,948 |
| European Countries with One Border | 0 | - | 4.97 | 182,510 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,316 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,944 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,881 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,388 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,723 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,147 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,540 |
| States of Germany | 0 | - | 4.96 | 151,904 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,886 |
| Regions of Italy | 0 | - | 4.92 | 75,548 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,868 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,635 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,009 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,018 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,551 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,020 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,660 |
| Champions League Winners | 0 | - | 4.92 | 1,003,713 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,405 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,773 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,045 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,290 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,997 |
| Monarchies of Asia | 0 | - | 4.97 | 70,977 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,775 |
| Provinces of Turkey | 0 | - | 4.95 | 203,653 |
| Provinces of China | 0 | - | 4.97 | 203,462 |
| Japanese Prefectures | 0 | - | 4.98 | 136,426 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,636 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,723 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,707 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,609 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,145 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,177 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,181 |
| States of India Map Quiz | 0 | - | 4.83 | 26,372 |
| Countries Bordering India | 0 | - | 4.98 | 163,321 |
| Countries Closest to India | 0 | - | 4.97 | 102,631 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,122 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,651 |
| African Great Lakes | 0 | - | 4.82 | 66,032 |
| Every African Country Shape | 0 | - | 4.90 | 87,014 |
