| Australian Capitals | 0 | - | 4.92 | 62,885 |
| Australia True or False | 0 | - | 4.87 | 57,245 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,340 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,830 |
| Regions of New Zealand | 0 | - | 4.84 | 28,814 |
| Australia Country Quiz | 0 | - | 4.43 | 69,908 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,259 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,423 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,161 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,945 |
| Elton John Quiz | 0 | - | 4.49 | 18,539 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,054 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,131 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,758 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,811 |
| Word Chain - Australia | 0 | - | 4.38 | 38,271 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,888 |
| Official European Union Languages | 0 | - | 4.97 | 240,464 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,879 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,565 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,735 |
| Asia Map Quiz | 0 | - | 4.99 | 927,232 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,432 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,156 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,646 |
| Australia Map Quiz | 0 | - | 4.95 | 346,630 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,326 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,483 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,368 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,698 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,602 |
| The Only European Country ... | 0 | - | 4.91 | 219,764 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,924 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,120 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,172 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,108 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,249 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,282 |
| Countries of Africa | 0 | - | 5.00 | 2,566,418 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,318 |
| African East Coast | 0 | - | 4.96 | 96,965 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,866 |
| Countries by National Anthem | 0 | - | 4.92 | 71,449 |
| Flags of Oceania | 0 | - | 5.00 | 263,705 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,748 |
| Australian States and Territories | 0 | - | 4.96 | 143,132 |
| Famous Australians by Description | 0 | - | 4.23 | 28,204 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,746 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,559 |
| Australian Slang | 0 | - | 4.24 | 28,771 |
| Flags of North and South America | 0 | - | 4.99 | 378,492 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,028 |
| The Only American Country ... | 0 | - | 4.92 | 122,402 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,817 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,931 |
| South America Map Quiz | 0 | - | 5.00 | 1,559,003 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,798 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,626 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,995 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,027 |
| North America Map Quiz | 0 | - | 4.98 | 253,017 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,356 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,400 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,993 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,037 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,051 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,111 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,323 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,089 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,353 |
| US States Quiz | 0 | - | 5.00 | 17,031,875 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,388 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,646 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.07 | 28,975 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,698 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,651 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,476 |
| Celtic Nations | 0 | - | 4.61 | 47,130 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,259 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,742 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,851 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,592 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,034 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,433 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,800 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,950 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,965 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,172 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,933 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,339 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,761 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,724 |
| Monarchies of Europe | 0 | - | 4.90 | 99,086 |
| European Countries with One Border | 0 | - | 4.97 | 184,103 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,821 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,840 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,645 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,961 |
| Slavic Countries | 0 | - | 4.96 | 112,567 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,034 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,628 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,871 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,053 |
| States of Germany | 0 | - | 4.95 | 155,051 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,774 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,856 |
| Regions of Italy | 0 | - | 4.92 | 77,317 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,963 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,680 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,957 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,965 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,693 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,359 |
| Counties of England | 0 | - | 4.97 | 804,731 |
| Imagine Lyrics | 0 | - | 4.54 | 43,594 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,429 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Champions League Winners | 0 | - | 4.92 | 1,018,611 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,438 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,984 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,179 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,794 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,375 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,141 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,099 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,553 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,361 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,955 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,279 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,988 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,974 |
| Monarchies of Asia | 0 | - | 4.97 | 71,646 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,387 |
| Countries of the Middle East | 0 | - | 4.96 | 203,381 |
| Provinces of Turkey | 0 | - | 4.95 | 206,425 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,830 |
| Provinces of China | 0 | - | 4.97 | 209,168 |
| Japanese Prefectures | 0 | - | 4.98 | 139,540 |
| States of India | 0 | - | 4.94 | 196,717 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,600 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,626 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,638 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,264 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,127 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,774 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,872 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,587 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,056 |
| The Only African Country ... | 0 | - | 4.99 | 129,853 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,480 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,576 |
| African Island Countries | 0 | - | 4.96 | 102,799 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,980 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,295 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,034 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,056 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,967 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,543 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,916 |
| Palau Country Quiz | 0 | - | 4.89 | 23,194 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,991 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,750 |
| Countries Closest to Australia | 0 | - | 4.99 | 168,035 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,602 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,577 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,994 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,657 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,679 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,790 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,999 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,927 |
| States of Mexico | 0 | - | 4.96 | 178,942 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,902 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,847 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,669 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,104 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,780 |
| States of Brazil | 0 | - | 4.98 | 90,145 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,081 |
| Central American Countries | 0 | - | 4.98 | 157,626 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,718 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 151,243 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,633 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,617 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 176,011 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,235 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,553 |
| Pixelated United States Map | 0 | - | 4.89 | 95,041 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,817 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,660 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,198 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,733,114 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,803 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,854 |
