| Australia... or New Zealand? | 0 | - | 4.83 | 61,496 |
| Regions of New Zealand | 0 | - | 4.85 | 28,471 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,050 |
| Official European Union Languages | 0 | - | 4.97 | 238,281 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,705 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,817 |
| Australia True or False | 0 | - | 4.87 | 56,806 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,681 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,078 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,330 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,476 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,288 |
| Australia Country Quiz | 0 | - | 4.43 | 69,558 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,108 |
| Slavic Languages | 0 | - | 4.68 | 54,307 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,542 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,004 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,499 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,941 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,839 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,748 |
| Top World Languages | 0 | - | 4.92 | 820,856 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,130 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,980 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,318 |
| Countries by Official Language | 0 | - | 4.95 | 194,746 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,707 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,676 |
| Countries in their Native Language | 0 | - | 4.99 | 198,284 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,621 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,896 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,139 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,230 |
| Word Chain - Australia | 0 | - | 4.38 | 38,129 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,797 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,872 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,442 |
| Asia Map Quiz | 0 | - | 4.99 | 915,448 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,017 |
| Countries of Africa | 0 | - | 5.00 | 2,532,676 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,711 |
| African East Coast | 0 | - | 4.96 | 95,923 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,742 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,044 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,560 |
| Australia Map Quiz | 0 | - | 4.95 | 344,111 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,324 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,947 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,612 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,723 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,176 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,928 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,984 |
| The Only European Country ... | 0 | - | 4.91 | 216,243 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,910 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,788 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,795 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,888 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,944 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,348 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,605 |
| German-Speaking Countries | 0 | - | 4.91 | 145,408 |
| Italian Name Translation | 0 | - | 4.82 | 46,453 |
| French-Speaking Countries | 0 | - | 4.85 | 270,311 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,297 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,924 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,041 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,788 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,481 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,104 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,169 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,320 |
| African Island Countries | 0 | - | 4.96 | 101,512 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,216 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,676 |
| Australian States and Territories | 0 | - | 4.96 | 141,800 |
| Famous Australians by Description | 0 | - | 4.23 | 27,898 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,253 |
| Australian Slang | 0 | - | 4.24 | 28,610 |
| Flags of North and South America | 0 | - | 4.99 | 372,412 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,555 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,142 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,537 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,378 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,558 |
| North America Map Quiz | 0 | - | 4.98 | 248,047 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,821 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,595 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,828 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,631 |
| Celtic Nations | 0 | - | 4.69 | 46,917 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,068 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,525 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,065 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,374 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,047 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,298 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,160 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,015 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,926 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,115 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,915 |
| Slavic Countries | 0 | - | 4.96 | 111,551 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,312 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,921 |
| Languages of Spain | 0 | - | 4.36 | 23,300 |
| Counties of England | 0 | - | 4.97 | 795,498 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,413 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,138 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,620 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,043 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,889 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,743 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,375 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,146 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,814 |
| Countries of the Middle East | 0 | - | 4.96 | 200,910 |
| English Speaking Countries | 0 | - | 4.64 | 357,172 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,698 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,607 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,452 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,056 |
| States of India | 0 | - | 4.95 | 192,903 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,571 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,308 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,710 |
| The Only African Country ... | 0 | - | 4.99 | 129,011 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,090 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,744 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,891 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,077 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.87 | 55,481 |
| Flags of Oceania | 0 | - | 5.00 | 258,535 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,295 |
| The Only American Country ... | 0 | - | 4.92 | 121,473 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,007 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,536 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,771 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,802 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,590 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,958 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,408 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,278 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,381 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,850 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,861 |
| US States Quiz | 0 | - | 5.00 | 16,848,234 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,000 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,738 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,357 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,075 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,004 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,438 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,610 |
| Monarchies of Europe | 0 | - | 4.90 | 98,020 |
| European Countries with One Border | 0 | - | 4.97 | 182,609 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,427 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,090 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,013 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,682 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,794 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,257 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,673 |
| States of Germany | 0 | - | 4.96 | 152,150 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,943 |
| Regions of Italy | 0 | - | 4.92 | 75,701 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,011 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,759 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,099 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,192 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,911 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,149 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,677 |
| Champions League Winners | 0 | - | 4.92 | 1,005,230 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,433 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,850 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,137 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,556 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,075 |
| Monarchies of Asia | 0 | - | 4.97 | 71,022 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,810 |
| Provinces of Turkey | 0 | - | 4.95 | 203,808 |
| Provinces of China | 0 | - | 4.97 | 203,862 |
| Japanese Prefectures | 0 | - | 4.98 | 136,573 |
| Places in their Native Language #2 | 0 | - | 4.79 | 134,089 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,683 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,841 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,765 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,708 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,185 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,236 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,199 |
| States of India Map Quiz | 0 | - | 4.83 | 26,455 |
| Countries Bordering India | 0 | - | 4.98 | 163,367 |
| Countries Closest to India | 0 | - | 4.97 | 102,693 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,178 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,688 |
| African Great Lakes | 0 | - | 4.82 | 66,112 |
