| Australian Capitals | 0 | - | 4.90 | 52,957 |
| Australian True or False | 0 | - | 4.90 | 50,890 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.94 | 19,633 |
| Australia Country Quiz | 0 | - | 4.44 | 57,142 |
| Regions of New Zealand | 0 | - | 4.83 | 24,212 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,330 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 253,285 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,208 |
| Official European Union Languages | 0 | - | 4.98 | 198,955 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,982 |
| Europe Map Quiz | 0 | - | 5.00 | 4,260,495 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,518 |
| Asia Map Quiz | 0 | - | 4.99 | 775,689 |
| Africa Map Quiz | 0 | - | 5.00 | 1,927,063 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,094 |
| Non-Stop Flights to New Zealand | 0 | - | 4.48 | 42,438 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,361 |
| Word Chain - Australia | 0 | - | 4.38 | 36,055 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,307 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,811 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,282 |
| Countries of Africa | 0 | - | 5.00 | 2,144,436 |
| African East Coast | 0 | - | 4.97 | 83,411 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,211 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,727 |
| Australia Map Quiz | 0 | - | 4.95 | 317,523 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,340 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,424 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,653 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,127 |
| Celtic Nations | 0 | - | 4.76 | 44,533 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,837 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 91,042 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,921 |
| The Only European Country ... | 0 | - | 4.94 | 176,208 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,726 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,685 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,931 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,138 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,925 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,074 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,813 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,001 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,980 |
| Countries of the Middle East | 0 | - | 4.96 | 171,604 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,894 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,051 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,978 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,558 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,049 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,058 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,299 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,523 |
| African Island Countries | 0 | - | 4.96 | 88,631 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,356 |
| Oceania Physical Geography | 0 | - | 4.25 | 11,873 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,783 |
| Australian States and Territories | 0 | - | 4.96 | 128,265 |
| Famous Australians | 0 | - | 4.21 | 19,292 |
| Australian Slang | 0 | - | 4.24 | 26,315 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,483 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,428 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,149 |
| North America Map Quiz | 0 | - | 4.98 | 195,032 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,084 |
| United States Map Quiz | 0 | - | 4.98 | 3,883,745 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,426 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,972 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,668 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,555 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,687 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,340 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,115 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,363 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,777 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,866 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 114,807 |
| Slavic Countries | 0 | - | 4.96 | 99,858 |
| Counties of England | 0 | - | 4.96 | 684,017 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,452 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,769 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,116 |
| South America Map Quiz | 0 | - | 5.00 | 1,411,440 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,516 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,615 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,033,871 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,638 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,457 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,499 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,672 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,824 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,361 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,028 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,434 |
| Champions League Winners | 0 | - | 4.91 | 840,366 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,568 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,226 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,484 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,710 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,071 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,592 |
| Monarchies of Asia | 0 | - | 4.95 | 53,631 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,699 |
| Provinces of Turkey | 0 | - | 4.95 | 175,586 |
| Provinces of China | 0 | - | 4.97 | 153,113 |
| Japanese Prefectures | 0 | - | 4.98 | 104,877 |
| States of India | 0 | - | 4.91 | 151,773 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,918 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,714 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,528 |
| The Only African Country ... | 0 | - | 4.99 | 104,601 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,214 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,161 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,577 |
| Flags of Oceania | 0 | - | 5.00 | 212,870 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,274 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,678 |
| The Only American Country ... | 0 | - | 4.94 | 108,935 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,093 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 847,891 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,495 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,637 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 46,286 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,476 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,700 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,539 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,698 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,336 |
| Canada Provinces and Territories | 0 | - | 4.99 | 287,066 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 84,494 |
| European Diaspora - Top 11 Countries | 0 | - | 4.91 | 82,850 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 119,681 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,713 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,854 |
| Pixelated Europe Map | 0 | - | 4.90 | 108,595 |
| Monarchies of Europe | 0 | - | 4.88 | 86,339 |
| European Countries with One Border | 0 | - | 4.96 | 149,592 |
| European Countries with the Fewest Borders | 0 | - | 4.98 | 143,485 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 132,639 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,499 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 101,036 |
| Regions of France Map Quiz | 0 | - | 4.96 | 126,486 |
| States of Germany Map Quiz | 0 | - | 4.91 | 119,538 |
| States of Germany | 0 | - | 4.94 | 121,839 |
| Counties of Ireland | 0 | - | 4.89 | 157,472 |
| Regions of Italy | 0 | - | 4.88 | 59,658 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,412 |
| Spanish Immigration by Country | 0 | - | 4.59 | 51,573 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,413 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,207 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,020 |
| UK Immigration by Country | 0 | - | 4.95 | 124,252 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 117,316 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,589 |
| England or Wales? | 0 | - | 4.93 | 39,884 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,740 |
| Countries and States in the Caucasus | 0 | - | 4.45 | 45,750 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,146 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 80,620 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,695 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,135 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,836 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.43 | 245,866 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,452 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,221 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,894 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,537 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,771 |
| China Cities Map Quiz | 0 | - | 4.87 | 88,030 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,033 |
| China's Territorial Disputes | 0 | - | 4.42 | 32,649 |
| Japan Country Quiz | 0 | - | 4.92 | 118,216 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,526 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,083 |
| African Great Lakes | 0 | - | 4.84 | 52,199 |
| African Countries with the Most Christians | 0 | - | 4.92 | 66,739 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 108,777 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.44 | 287,768 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 83,765 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 59,148 |
| Countries Closest to Australia | 0 | - | 4.99 | 144,570 |
| Tuvalu Country Quiz | 0 | - | 4.84 | 19,273 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,322 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 80,492 |
| States of Mexico | 0 | - | 4.95 | 138,703 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,555 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 93,245 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 39,033 |
| Brazil States Map Quiz | 0 | - | 4.84 | 39,001 |
| States of Brazil | 0 | - | 4.96 | 67,442 |
| Central American Countries | 0 | - | 4.98 | 138,038 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,579 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,639 |
| Total United States Immigration by Country | 0 | - | 4.90 | 95,955 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,288 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 182,337 |
| U.S. Cabinet Departments | 0 | - | 4.85 | 67,312 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 21,114 |
| US States Quiz | 0 | - | 5.00 | 14,593,285 |
