| Uruguay Country Quiz | 0 | - | 4.84 | 31,757 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,852 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,963 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,799 |
| North America Map Quiz | 0 | - | 4.98 | 252,100 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,982 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,568 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,197 |
| States of Mexico | 0 | - | 4.96 | 178,290 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,500 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,854 |
| States of Brazil | 0 | - | 4.97 | 89,722 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,384 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,093 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,593 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,328 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,822 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,914 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,688 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,687 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,540 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,398 |
| U.S. Highway Signs By State | 0 | - | 4.47 | 15,580 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,452 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,498 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,768 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,707 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,379 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,437 |
| Australian Capitals | 0 | - | 4.92 | 62,833 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,796 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,733 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,733 |
| Official European Union Languages | 0 | - | 4.97 | 239,810 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,658 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,912 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,591 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,131 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,593 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,565 |
| Asia Map Quiz | 0 | - | 4.99 | 925,266 |
| Which Asian Country? | 0 | - | 4.64 | 57,749 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,800 |
| Which African Country? | 0 | - | 4.58 | 36,464 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,468 |
| Australia Map Quiz | 0 | - | 4.95 | 346,176 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,319 |
| New World Crops | 0 | - | 4.38 | 30,968 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,861 |
| History of Mexico | 0 | - | 4.52 | 15,365 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,125 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,906 |
| South American Physical Geography | 0 | - | 4.58 | 18,404 |
| Word Chain - South America | 0 | - | 4.51 | 24,007 |
| North American Physical Geography | 0 | - | 4.35 | 30,461 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,438 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,488 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,452 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,730 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,184 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,964 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,923 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,241 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,820 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,254 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,321 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,142 |
| The Only European Country ... | 0 | - | 4.91 | 219,042 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,535 |
| Austria... or Australia? | 0 | - | 4.67 | 104,771 |
| France True or False? | 0 | - | 4.44 | 40,075 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,843 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,057 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,318 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,089 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,952 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,335 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,664 |
| China Multiple Choice | 0 | - | 4.50 | 37,415 |
| Countries of Africa | 0 | - | 5.00 | 2,560,081 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,866 |
| African East Coast | 0 | - | 4.96 | 96,778 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,634 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,553 |
| Flags of Oceania | 0 | - | 5.00 | 262,742 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,723 |
| Australian States and Territories | 0 | - | 4.96 | 142,871 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,526 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,505 |
| Australia True or False | 0 | - | 4.87 | 57,151 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,013 |
| Regions of New Zealand | 0 | - | 4.84 | 28,745 |
| Flags of North and South America | 0 | - | 4.99 | 377,070 |
| The Only American Country ... | 0 | - | 4.92 | 122,220 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,676 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,078 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,672 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,779 |
| Famous People from South America | 0 | - | 4.15 | 22,106 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,412 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,044 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,616 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,833 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,061 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,893 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,830 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,950 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,008 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,271 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,783 |
| US States Quiz | 0 | - | 5.00 | 16,997,820 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,279 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,647 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,520 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,176 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 69,048 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,507 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,494 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,251 |
| Celtic Nations | 0 | - | 4.61 | 47,098 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,934 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,718 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,518 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,066 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,760 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,820 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,513 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,778 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,606 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,771 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,763 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,832 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,477 |
| Monarchies of Europe | 0 | - | 4.90 | 98,882 |
| European Countries with One Border | 0 | - | 4.97 | 183,810 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,550 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,835 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,454 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,389 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,446 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,785 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,856 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,591 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,990 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,192 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,798 |
| Slavic Countries | 0 | - | 4.96 | 112,377 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,501 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,478 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,651 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,810 |
| States of Germany | 0 | - | 4.95 | 154,519 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,696 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,696 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| Regions of Italy | 0 | - | 4.92 | 77,086 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,808 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,850 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,323 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,767 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,472 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,528 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,034 |
| Counties of England | 0 | - | 4.97 | 802,996 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,751 |
| Champions League Winners | 0 | - | 4.92 | 1,016,234 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,428 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,825 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,030 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,526 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,921 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,160 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,851 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,830 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,325 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,111 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,529 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,091 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,640 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,783 |
| Monarchies of Asia | 0 | - | 4.97 | 71,508 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,607 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,292 |
| Countries of the Middle East | 0 | - | 4.96 | 202,967 |
| Provinces of Turkey | 0 | - | 4.95 | 205,943 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,861 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,742 |
| Provinces of China | 0 | - | 4.97 | 208,001 |
| Japanese Prefectures | 0 | - | 4.99 | 139,034 |
| States of India | 0 | - | 4.94 | 195,907 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,517 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,661 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,580 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,380 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,727 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,273 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,138 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,294 |
