| Australian Capitals | 0 | - | 4.92 | 62,705 |
| Australia True or False | 0 | - | 4.87 | 56,794 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,012 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,274 |
| Regions of New Zealand | 0 | - | 4.85 | 28,465 |
| Australia Country Quiz | 0 | - | 4.43 | 69,544 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,826 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,508 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,972 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,305 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,014 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 101,754 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,408 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,958 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,996 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,040 |
| Word Chain - Australia | 0 | - | 4.38 | 38,125 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,818 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,033 |
| Official European Union Languages | 0 | - | 4.97 | 238,226 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,679 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,674 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,078 |
| Asia Map Quiz | 0 | - | 4.99 | 915,093 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,791 |
| Countries of Africa | 0 | - | 5.00 | 2,531,705 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,905 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,749 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,673 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,738 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,444 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,069 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,136 |
| African East Coast | 0 | - | 4.96 | 95,884 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,262 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,689 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,780 |
| African Island Countries | 0 | - | 4.96 | 101,478 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,157 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,525 |
| Australian States and Territories | 0 | - | 4.96 | 141,770 |
| Famous Australians by Description | 0 | - | 4.23 | 27,893 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,245 |
| Australian Slang | 0 | - | 4.24 | 28,602 |
| Australia Map Quiz | 0 | - | 4.95 | 343,946 |
| Flags of North and South America | 0 | - | 4.99 | 372,234 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,537 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,126 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,467 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,796 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,118 |
| North America Map Quiz | 0 | - | 4.98 | 247,911 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,670 |
| O Canada Lyrics | 0 | - | 4.47 | 50,918 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,639 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,397 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,065 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,868 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,596 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,815 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,663 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,003 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,102 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,764 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,913 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,932 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,486 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,039 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,291 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,036 |
| The Only European Country ... | 0 | - | 4.91 | 216,142 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,284 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,096 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,892 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,861 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,078 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,824 |
| Slavic Countries | 0 | - | 4.96 | 111,532 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,304 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,776 |
| Counties of England | 0 | - | 4.97 | 795,241 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,708 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,872 |
| Imagine Lyrics | 0 | - | 4.53 | 43,236 |
| A Quiz About The Beatles | 0 | - | 4.56 | 47,881 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,942 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,117 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,590 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,011 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,857 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,710 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,334 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,309 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,729 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,094 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,667 |
| Countries of the Middle East | 0 | - | 4.96 | 200,851 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,462 |
| 2010s Celebrities by Picture #1 | 0 | - | 4.32 | 172,479 |
| 2010s Celebrities by Picture #2 | 0 | - | 4.15 | 148,710 |
| 2016 News Stories - Name the Country | 0 | - | 4.45 | 23,388 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,744 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,666 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,172 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,213 |
| States of India | 0 | - | 4.95 | 192,814 |
| States of India Map Quiz | 0 | - | 4.83 | 26,440 |
| Countries Bordering India | 0 | - | 4.98 | 163,353 |
| Countries Closest to India | 0 | - | 4.97 | 102,671 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,155 |
| African Great Lakes | 0 | - | 4.82 | 66,094 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,301 |
| Every African Country Shape | 0 | - | 4.90 | 87,101 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,690 |
| The Only African Country ... | 0 | - | 4.99 | 128,987 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,079 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,501 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,169 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,444 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,713 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,814 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,048 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,863 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,800 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,026 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,112 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,736 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,938 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,471 |
| Flags of Oceania | 0 | - | 5.00 | 258,400 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,262 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,525 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,982 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,813 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,648 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,425 |
| The Only American Country ... | 0 | - | 4.92 | 121,449 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,979 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,348 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,624 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,013 |
| States of Mexico | 0 | - | 4.95 | 175,646 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,411 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,559 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,808 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,708 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,935 |
| States of Brazil | 0 | - | 4.97 | 87,720 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,657 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,533 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,638 |
| Central American Countries | 0 | - | 4.98 | 156,011 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,034 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,763 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,577 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,925 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,383 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,828 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,241 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,370 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,365 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,259 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,395 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,285 |
| Pixelated United States Map | 0 | - | 4.87 | 94,115 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,416 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,563 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,820 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,690,464 |
| America the Beautiful Lyrics | 0 | - | 4.27 | 19,750 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,795 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,126 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,844 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,581 |
| US States Quiz | 0 | - | 5.00 | 16,841,773 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,678 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,215 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,243 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,759 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,031 |
| U.S. States By Population | 0 | - | 4.92 | 153,122 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,253 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,351 |
| US States with an Empty Map | 0 | - | 5.00 | 623,580 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,409 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,689 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,129 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,497 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,820 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,606 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,085 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,441 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,133 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,273 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,077 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,344 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,973 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,926 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,369 |
