| Countries of South America with an Empty Map | 0 | - | 4.94 | 92,966 |
| South America Map Quiz | 0 | - | 5.00 | 1,409,044 |
| Word Chain - South America | 0 | - | 4.48 | 21,790 |
| United States Map Quiz | 0 | - | 4.98 | 3,878,631 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,380 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,215 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 104,753 |
| Countries of North America Quiz | 0 | - | 5.00 | 867,950 |
| North America Map Quiz | 0 | - | 4.98 | 194,072 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 105,991 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 572,863 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,299 |
| Islands of the Galápagos | 0 | - | 4.51 | 4,378 |
| Famous People from South America | 0 | - | 4.05 | 8,780 |
| Uruguay Country Quiz | 0 | - | 4.82 | 28,268 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 846,781 |
| North American Capitals - Map Quiz | 0 | - | 4.91 | 46,321 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 84,461 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 45,727 |
| U.S. State Border Crossings | 0 | - | 4.96 | 81,370 |
| U.S. Citizenship Test Questions | 0 | - | 4.86 | 220,378 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.82 | 32,353 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 64,548 |
| Cities and Towns of Massachusetts | 0 | - | 4.89 | 59,091 |
| Canada Provinces and Territories | 0 | - | 4.99 | 286,430 |
| States of Mexico | 0 | - | 4.94 | 138,057 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.89 | 38,597 |
| States of Brazil | 0 | - | 4.96 | 67,085 |
| Central American Countries | 0 | - | 4.98 | 137,707 |
| Caribbean Countries and Territories | 0 | - | 4.83 | 103,418 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 115,276 |
| American Countries on the Pacific Coast | 0 | - | 4.79 | 37,259 |
| History of Mexico | 0 | - | 4.55 | 13,777 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.84 | 20,987 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 453,520 |
| Haiti... or Dominican Republic? | 0 | - | 4.71 | 37,998 |
| 10 Northernmost U.S. States | 0 | - | 4.86 | 59,592 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 144,216 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 166,726 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.85 | 98,460 |
| The United States... or the United Kingdom? | 0 | - | 4.89 | 89,415 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 252,576 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 242,774 |
| Most-Spoken Languages of the United States | 0 | - | 4.45 | 162,678 |
| Canada Geography Trivia | 0 | - | 4.80 | 44,442 |
| Australian Capitals | 0 | - | 4.90 | 52,924 |
| Pixelated Americas Map | 0 | - | 4.41 | 41,449 |
| Largest Caribbean Islands | 0 | - | 4.01 | 15,288 |
| Famous Caribbean People | 0 | - | 4.35 | 12,073 |
| Saintly Islands of the Caribbean | 0 | - | 4.27 | 22,093 |
| Territories of the United States | 0 | - | 4.76 | 48,175 |
| Most Mentioned Enemies of the USA | 0 | - | 4.79 | 158,373 |
| Major non-NATO U.S. Allies | 0 | - | 4.43 | 33,103 |
| Name a Valid Answer - United States #1 | 0 | - | 4.70 | 84,596 |
| Canada Immigration by Country | 0 | - | 4.52 | 56,701 |
| Official European Union Languages | 0 | - | 4.98 | 198,584 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,777 |
| Europe Map Quiz | 0 | - | 5.00 | 4,250,314 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,333,356 |
| Asia Map Quiz | 0 | - | 4.99 | 772,664 |
| Africa Map Quiz | 0 | - | 5.00 | 1,923,594 |
| Oceania Map Quiz | 0 | - | 4.97 | 561,798 |
| Native American Tribes in the US | 0 | - | 4.71 | 22,809 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 381,594 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,223 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,506 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,272,523 |
| Countries of Africa | 0 | - | 5.00 | 2,137,458 |
| African East Coast | 0 | - | 4.97 | 83,180 |
| Western Africa Map Quiz | 0 | - | 4.97 | 59,855 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,564 |
| Australia Map Quiz | 0 | - | 4.94 | 317,095 |
| Largest Land Animals of the Americas | 0 | - | 4.36 | 19,332 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,428 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,810 |
| U.S. Federal Holidays | 0 | - | 4.29 | 95,325 |
| Top U.S. Cash Crops | 0 | - | 4.40 | 58,570 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.46 | 13,686 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.16 | 50,085 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.07 | 37,160 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.47 | 93,052 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.79 | 56,065 |
| Top 10 Most African-American U.S. States | 0 | - | 4.47 | 61,199 |
| Top 10 Newest U.S. States | 0 | - | 4.80 | 67,621 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 61,231 |
| Top 10 Most Obese U.S. States | 0 | - | 4.50 | 64,642 |
| Top 10 Least Obese U.S. States | 0 | - | 4.79 | 67,393 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.51 | 64,010 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.44 | 47,650 |
| Top 10 Most White U.S. States | 0 | - | 4.52 | 54,991 |
| Top 10 Most German U.S. States | 0 | - | 4.49 | 42,031 |
| Canadian Geography on the Map | 0 | - | 4.56 | 23,980 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 193,157 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,378 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,348 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,606 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,718 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,712 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,898 |
| The Only European Country ... | 0 | - | 4.94 | 175,758 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,688 |
| Counties of England | 0 | - | 4.96 | 682,039 |
| Flags of Asia Quiz | 0 | - | 4.99 | 517,992 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,511 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,731 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 87,913 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,674 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,863 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,570 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,819 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,577 |
| Countries of the Middle East | 0 | - | 4.96 | 171,175 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,855 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 90,925 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,221 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,828 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,246 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,814 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,657 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 117,959 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,071 |
| African Island Countries | 0 | - | 4.96 | 88,434 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 220,941 |
| Australian States and Territories | 0 | - | 4.96 | 128,110 |
| Australian True or False | 0 | - | 4.90 | 50,775 |
| South American Physical Geography | 0 | - | 4.56 | 17,205 |
| Paraguay... or Uruguay? | 0 | - | 4.54 | 25,258 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.75 | 42,105 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.51 | 33,723 |
| Bahamas Country Quiz | 0 | - | 4.60 | 17,364 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,884 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,030,792 |
| Celtic Nations | 0 | - | 4.76 | 44,494 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,169,413 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,449 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,298 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,184 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,136 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 78,959 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 282,904 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,186 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 47,573 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,651 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,634 |
| Slavic Countries | 0 | - | 4.96 | 99,718 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,381 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,700 |
| UK Cities Map Quiz | 0 | - | 4.94 | 430,439 |
| Parts of the United Kingdom | 0 | - | 4.88 | 82,885 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,007 |
| Champions League Winners | 0 | - | 4.90 | 836,988 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,505 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 37,154 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,219 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,452 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,715 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,411 |
| Monarchies of Asia | 0 | - | 4.95 | 53,546 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,529 |
| Provinces of Turkey | 0 | - | 4.95 | 175,151 |
| Provinces of China | 0 | - | 4.97 | 152,151 |
| Japanese Prefectures | 0 | - | 4.98 | 104,487 |
| States of India | 0 | - | 4.91 | 151,209 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 52,948 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,870 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 24,599 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 65,428 |
| The Only African Country ... | 0 | - | 4.98 | 104,468 |
| African Countries by a Single Clue | 0 | - | 4.91 | 63,148 |
| Pixelated Africa Map | 0 | - | 4.98 | 86,970 |
| Countries Closest to Africa | 0 | - | 4.95 | 144,089 |
| Flags of Oceania | 0 | - | 5.00 | 212,275 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.96 | 17,942 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 130,050 |
| Australia Country Quiz | 0 | - | 4.44 | 57,069 |
| Regions of New Zealand | 0 | - | 4.83 | 24,134 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 305,975 |
| The Only American Country ... | 0 | - | 4.94 | 108,770 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 99,894 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.42 | 16,111 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,499 |
| North America Capitals Quiz | 0 | - | 4.99 | 183,813 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.12 | 25,968 |
| American Islands | 0 | - | 4.16 | 15,703 |
| American Foods | 0 | - | 3.69 | 38,085 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.23 | 5,672 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.19 | 13,570 |
| U.S. Groups of Four Quiz | 0 | - | 4.37 | 23,114 |
| U.S. Groups of Three Quiz | 0 | - | 4.03 | 19,396 |
| New York City Geography | 0 | - | 4.40 | 23,334 |
| Old West History | 0 | - | 4.28 | 14,759 |
| Life of Benjamin Franklin | 0 | - | 4.18 | 6,206 |
| American Revolution - Multiple Choice | 0 | - | 4.31 | 18,695 |
| US States Quiz | 0 | - | 5.00 | 14,551,412 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.35 | 40,015 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.46 | 27,509 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.65 | 29,557 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.30 | 40,452 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.34 | 62,490 |
| US States with the Most Executions | 0 | - | 4.51 | 25,611 |
