| Australian Capitals | 0 | - | 4.92 | 62,660 |
| Australian States and Territories | 0 | - | 4.96 | 141,384 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,148 |
| Australia True or False | 0 | - | 4.87 | 56,681 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,315 |
| Australia Country Quiz | 0 | - | 4.43 | 69,446 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,691 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,214 |
| Animals of Australia | 0 | - | 4.52 | 42,240 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,233 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,479 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,035 |
| Flags of Oceania | 0 | - | 5.00 | 257,066 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,133 |
| Word Chain - Australia | 0 | - | 4.37 | 38,080 |
| Regions of New Zealand | 0 | - | 4.85 | 28,404 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 65,918 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,755 |
| Palau Country Quiz | 0 | - | 4.90 | 22,926 |
| AFL Teams | 0 | - | 4.40 | 40,145 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,369 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,443 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,854 |
| Austria... or Australia? | 0 | - | 4.68 | 104,113 |
| Famous Australians by Description | 0 | - | 4.23 | 27,795 |
| Australian Slang | 0 | - | 4.25 | 28,550 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 99,585 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,705 |
| Name that Greek Letter | 0 | - | 4.93 | 322,584 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,426 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,597 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,187 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,017 |
| New Zealand Country Quiz | 0 | - | 4.70 | 75,758 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,878 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,861 |
| Official European Union Languages | 0 | - | 4.97 | 237,689 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,334 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,545 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.73 | 65,539 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,917 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,601 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,817 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,039 |
| Asia Map Quiz | 0 | - | 4.99 | 911,102 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,803 |
| Countries of Africa | 0 | - | 5.00 | 2,521,931 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,284 |
| African East Coast | 0 | - | 4.96 | 95,542 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,367 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,016 |
| Australia Map Quiz | 0 | - | 4.94 | 343,314 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,812 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,998 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,249 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,608 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,721 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,787 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,738 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,124 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,474 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,984 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,263 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,347 |
| The Only European Country ... | 0 | - | 4.91 | 215,205 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,354 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,671 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,222 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,218 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,682 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,218 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,211 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,655 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,038 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,914 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,701 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,855 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,783 |
| African Island Countries | 0 | - | 4.96 | 101,180 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,658 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,658 |
| Flags of North and South America | 0 | - | 4.99 | 370,255 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,410 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,538 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,871 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,713 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,430 |
| North America Map Quiz | 0 | - | 4.98 | 246,673 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,549 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,931 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,877 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,690 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,317 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,943 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,616 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,169 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,718 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,785 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,112 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,386 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,541 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,372 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,755 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,536 |
| Slavic Countries | 0 | - | 4.96 | 111,273 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,765 |
| Languages of Spain | 0 | - | 4.36 | 23,237 |
| Counties of England | 0 | - | 4.97 | 792,693 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,254 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,832 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,241 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,743 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,593 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,334 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,989 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,610 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,533 |
| Countries of the Middle East | 0 | - | 4.96 | 199,886 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,363 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,541 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,483 |
| Flags to Languages | 0 | - | 4.95 | 173,040 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,153 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,251 |
| States of India | 0 | - | 4.94 | 191,777 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,400 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,479 |
| The Only African Country ... | 0 | - | 4.99 | 128,710 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,933 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,427 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,783 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,733 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,867 |
| The Only American Country ... | 0 | - | 4.92 | 121,178 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,736 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,454 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,791 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,440 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,313 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,518 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,213 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,849 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,176 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,480 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,698 |
| US States Quiz | 0 | - | 5.00 | 16,782,612 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,749 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,627 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,431 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,949 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,524 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,611 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,297 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,256 |
| Monarchies of Europe | 0 | - | 4.90 | 97,710 |
| European Countries with One Border | 0 | - | 4.97 | 182,142 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,005 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,556 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,350 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,544 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,804 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,180 |
| States of Germany | 0 | - | 4.96 | 151,131 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,551 |
| Regions of Italy | 0 | - | 4.92 | 75,231 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,999 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,204 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,757 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,328 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,360 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,676 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,622 |
| Champions League Winners | 0 | - | 4.92 | 1,000,899 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,177 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,517 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,799 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,703 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,799 |
| Monarchies of Asia | 0 | - | 4.97 | 70,844 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,643 |
| Provinces of Turkey | 0 | - | 4.95 | 202,987 |
| Provinces of China | 0 | - | 4.97 | 202,314 |
| Japanese Prefectures | 0 | - | 4.98 | 135,793 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,352 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,526 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,334 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,986 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,038 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,122 |
| States of India Map Quiz | 0 | - | 4.83 | 26,235 |
| Countries Bordering India | 0 | - | 4.98 | 163,206 |
| Countries Closest to India | 0 | - | 4.97 | 102,470 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,981 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,545 |
