| Australian Capitals | 0 | - | 4.92 | 62,701 |
| Australia True or False | 0 | - | 4.87 | 56,791 |
| Australia Country Quiz | 0 | - | 4.43 | 69,538 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,955 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,269 |
| Regions of New Zealand | 0 | - | 4.85 | 28,464 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,943 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,761 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,025 |
| Official European Union Languages | 0 | - | 4.97 | 238,208 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,655 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,887 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,231 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,915 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,969 |
| Celtic Nations | 0 | - | 4.69 | 46,912 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,636 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,017 |
| Asia Map Quiz | 0 | - | 4.99 | 914,952 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,657 |
| African East Coast | 0 | - | 4.96 | 95,866 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,672 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,508 |
| Word Chain - Australia | 0 | - | 4.38 | 38,124 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,840 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,594 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,626 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,903 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,909 |
| The Only European Country ... | 0 | - | 4.91 | 216,095 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,835 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,770 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,709 |
| Countries of Africa | 0 | - | 5.00 | 2,531,333 |
| Australia Map Quiz | 0 | - | 4.95 | 343,915 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,058 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,579 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,548 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,039 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,659 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,368 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,901 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,621 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,722 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,432 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,052 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,124 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,247 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,756 |
| African Island Countries | 0 | - | 4.96 | 101,471 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,122 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Australian States and Territories | 0 | - | 4.96 | 141,728 |
| Famous Australians by Description | 0 | - | 4.23 | 27,890 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,240 |
| Australian Slang | 0 | - | 4.24 | 28,600 |
| Flags of North and South America | 0 | - | 4.99 | 372,156 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,531 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,117 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,453 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,714 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,999 |
| North America Map Quiz | 0 | - | 4.98 | 247,852 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,669 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,577 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,349 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,061 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,808 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,734 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,681 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,473 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,018 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,257 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,026 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,278 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,415 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,045 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,849 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,053 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,800 |
| Slavic Countries | 0 | - | 4.96 | 111,519 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,298 |
| Counties of England | 0 | - | 4.97 | 795,149 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,761 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,114 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,573 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,001 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,846 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,699 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,323 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,301 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,067 |
| Countries of the Middle East | 0 | - | 4.96 | 200,823 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,453 |
| States of India | 0 | - | 4.95 | 192,746 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,297 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,683 |
| The Only African Country ... | 0 | - | 4.99 | 128,976 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,073 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,701 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,729 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,034 |
| Flags of Oceania | 0 | - | 5.00 | 258,345 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,244 |
| The Only American Country ... | 0 | - | 4.92 | 121,436 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,970 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,529 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,743 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,567 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,918 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,379 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,226 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,359 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,789 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,838 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,961 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,710 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,298 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,987 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,954 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,549 |
| Monarchies of Europe | 0 | - | 4.90 | 97,988 |
| European Countries with One Border | 0 | - | 4.97 | 182,551 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,365 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,935 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,530 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,764 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,215 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,584 |
| States of Germany | 0 | - | 4.96 | 152,029 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,916 |
| Regions of Italy | 0 | - | 4.92 | 75,635 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,964 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,703 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,072 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,885 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,080 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,665 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,424 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,811 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,097 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,407 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,033 |
| Monarchies of Asia | 0 | - | 4.97 | 70,999 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,791 |
| Provinces of Turkey | 0 | - | 4.95 | 203,744 |
| Provinces of China | 0 | - | 4.97 | 203,664 |
| Japanese Prefectures | 0 | - | 4.98 | 136,523 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,208 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,611 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,220 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,569 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,645 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,539 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,576 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,182 |
| Slavic Languages | 0 | - | 4.68 | 54,286 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,585 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,427 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,096 |
| Champions League Winners | 0 | - | 4.92 | 1,004,395 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,536 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,462 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,735 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,850 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,744 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,734 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,616 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,733 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,650 |
| States of India Map Quiz | 0 | - | 4.83 | 26,426 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,142 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,669 |
| African Great Lakes | 0 | - | 4.82 | 66,073 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,489 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,426 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,738 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,024 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,414 |
| Palau Country Quiz | 0 | - | 4.90 | 22,976 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,524 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,973 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,805 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,423 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,498 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,995 |
| States of Mexico | 0 | - | 4.95 | 175,628 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,551 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,796 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,701 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,922 |
| States of Brazil | 0 | - | 4.97 | 87,712 |
| Central American Countries | 0 | - | 4.98 | 155,925 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,996 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,363 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,241 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,357 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,817 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,111 |
