| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,657 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,887 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,557 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,318 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,472 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,161 |
| Asia Map Quiz | 0 | - | 4.99 | 916,990 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,259 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,783 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,020 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,066 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,842 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,282 |
| The Only European Country ... | 0 | - | 4.91 | 216,685 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,298 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,165 |
| Countries of Africa | 0 | - | 5.00 | 2,537,557 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,077 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,745 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,720 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,993 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,895 |
| Australia Map Quiz | 0 | - | 4.95 | 344,647 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,512 |
| African East Coast | 0 | - | 4.96 | 96,079 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,425 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,717 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,837 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,696 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,111 |
| Europe Capital to Country | 0 | - | 4.99 | 250,340 |
| Asia Capital to Country | 0 | - | 4.96 | 126,672 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,891 |
| European Capitals by Map | 0 | - | 4.99 | 139,199 |
| African Capitals by Map | 0 | - | 4.99 | 133,807 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,417 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,433 |
| European Coastal Capitals | 0 | - | 4.95 | 90,611 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,590 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,045 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,079 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,853 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,752 |
| Countries of the Middle East | 0 | - | 4.96 | 201,200 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,304 |
| Slavic Countries | 0 | - | 4.96 | 111,673 |
| African Island Countries | 0 | - | 4.96 | 101,646 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,253 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,411 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,914 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,523 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,542 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,009 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,685 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,754 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,617 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,238 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,220 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,592 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,259 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,169 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,009 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,275 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,505 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,952 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,794 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,164 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,204 |
| North America Map Quiz | 0 | - | 4.98 | 248,577 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,979 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,248 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,455 |
| Flags of North and South America | 0 | - | 4.99 | 373,160 |
| Australian States and Territories | 0 | - | 4.96 | 141,988 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,631 |
| Counties of England | 0 | - | 4.97 | 796,949 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 171,935 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,292 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,446 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,085 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,593 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,437 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,398 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,914 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,871 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,350 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,842 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,441 |
| Official Cities in the UK | 0 | - | 4.89 | 283,783 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,488 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,836 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,490 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,046 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,844 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,184 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,382 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,297 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,913 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,309 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,131 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,095 |
| Monarchies of Europe | 0 | - | 4.90 | 98,165 |
| Monarchies of Asia | 0 | - | 4.97 | 71,096 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,899 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,853 |
| The Only African Country ... | 0 | - | 4.99 | 129,108 |
| The Only American Country ... | 0 | - | 4.92 | 121,624 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,132 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,786 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,871 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,559 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,016 |
| European Countries with One Border | 0 | - | 4.97 | 182,800 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,600 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,216 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,457 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,835 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,665 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,374 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,602 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,426 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,005 |
| Flags of Oceania | 0 | - | 5.00 | 259,493 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,352 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,480 |
| Regions of Italy | 0 | - | 4.92 | 75,911 |
| States of India | 0 | - | 4.95 | 193,381 |
| Japanese Prefectures | 0 | - | 4.98 | 136,979 |
| Provinces of China | 0 | - | 4.97 | 204,559 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,964 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,011 |
| States of Germany | 0 | - | 4.96 | 152,639 |
| Regions of New Zealand | 0 | - | 4.85 | 28,518 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,219 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,297 |
| Provinces of Turkey | 0 | - | 4.95 | 204,228 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,344 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,185 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,485 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,339 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,528 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,182 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,050 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,872 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,221 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,775 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,680 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,416 |
| Boundary Waters | 0 | - | 4.92 | 88,472 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,171 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,303 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,099 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,161 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,723 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,847 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,808 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,108 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,399 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,163 |
| UK Immigration by Country | 0 | - | 4.94 | 140,915 |
| Central American Countries | 0 | - | 4.98 | 156,488 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,663 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,011 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,247 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,615 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,088 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,434 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,619 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,552 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,195 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,503 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,240 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,086 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,852 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,134 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,030 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,977 |
| Countries That Border Russia | 0 | - | 4.98 | 461,779 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,045 |
| Countries Bordering France | 0 | - | 4.83 | 402,591 |
| Countries Bordering Germany | 0 | - | 4.99 | 369,452 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,585 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,114 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,958 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,394 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,089 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,026 |
| Name a Valid African Country | 0 | - | 4.98 | 154,099 |
| Germany Country Quiz | 0 | - | 4.83 | 157,875 |
| Russia Country Quiz | 0 | - | 4.83 | 114,503 |
| Japan Country Quiz | 0 | - | 4.93 | 142,491 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,828 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,349 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,077 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,348 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,780 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,500 |
