| Uruguay Country Quiz | 0 | - | 4.84 | 31,514 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,445 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,685 |
| England or Wales? | 0 | - | 4.94 | 45,592 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,224 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,504 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,070 |
| North America Map Quiz | 0 | - | 4.98 | 247,583 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,639 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,026 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,531 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,902 |
| States of Mexico | 0 | - | 4.95 | 175,449 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,771 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,623 |
| States of Brazil | 0 | - | 4.97 | 87,601 |
| Austria... or Australia? | 0 | - | 4.68 | 104,227 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,194 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,691 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,542 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,093 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,677 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,766 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,494 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,625 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,691 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,837 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,840 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,466 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,863 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,064 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,630 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,420 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,446 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,768 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,446 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,985 |
| Official European Union Languages | 0 | - | 4.97 | 238,087 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,590 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,439 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,258 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,295 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,382 |
| Asia Map Quiz | 0 | - | 4.99 | 914,278 |
| Countries of Africa | 0 | - | 5.00 | 2,529,411 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,579 |
| African East Coast | 0 | - | 4.96 | 95,792 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,594 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,442 |
| Australia Map Quiz | 0 | - | 4.95 | 343,791 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,246 |
| New World Crops | 0 | - | 4.37 | 30,828 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,711 |
| History of Mexico | 0 | - | 4.58 | 15,290 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,307 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| South American Physical Geography | 0 | - | 4.58 | 18,328 |
| Word Chain - South America | 0 | - | 4.51 | 23,870 |
| North American Physical Geography | 0 | - | 4.35 | 30,401 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,543 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,433 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,254 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,601 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,956 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,696 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,571 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,863 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,490 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,895 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,872 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,793 |
| The Only European Country ... | 0 | - | 4.91 | 215,933 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,745 |
| French History Multiple Choice | 0 | - | 4.55 | 32,997 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,748 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,097 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,923 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,606 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,705 |
| States of India | 0 | - | 4.94 | 192,534 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,861 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,081 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,269 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,618 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,371 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,976 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,053 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,626 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,131 |
| The Only African Country ... | 0 | - | 4.98 | 128,906 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,051 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,618 |
| African Island Countries | 0 | - | 4.96 | 101,404 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,029 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,631 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,967 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,116 |
| Flags of Oceania | 0 | - | 5.00 | 258,085 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,250 |
| Australian States and Territories | 0 | - | 4.96 | 141,676 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,152 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,756 |
| Regions of New Zealand | 0 | - | 4.85 | 28,456 |
| Flags of North and South America | 0 | - | 4.99 | 371,778 |
| The Only American Country ... | 0 | - | 4.92 | 121,383 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,007 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,256 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,129 |
| Famous People from South America | 0 | - | 4.15 | 21,913 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,755 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,445 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,296 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,688 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,815 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,347 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,141 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,314 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,719 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,805 |
| US States Quiz | 0 | - | 5.00 | 16,828,052 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,185 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,074 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,919 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,785 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,057 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,354 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,611 |
| Celtic Nations | 0 | - | 4.69 | 46,907 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,966 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,401 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,949 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,652 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,123 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,218 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,962 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,885 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,233 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,877 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,946 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,521 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,479 |
| Monarchies of Europe | 0 | - | 4.90 | 97,929 |
| European Countries with One Border | 0 | - | 4.97 | 182,484 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,288 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,905 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,764 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,863 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,103 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,259 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,691 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,581 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,674 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,979 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,707 |
| Slavic Countries | 0 | - | 4.96 | 111,476 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,303 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,712 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,110 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,528 |
| States of Germany | 0 | - | 4.96 | 151,840 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,280 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,865 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,868 |
| Regions of Italy | 0 | - | 4.92 | 75,527 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,816 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,603 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,981 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,971 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,530 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,998 |
| Counties of England | 0 | - | 4.97 | 794,610 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,657 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,099 |
| Champions League Winners | 0 | - | 4.92 | 1,003,551 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,269 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,067 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,396 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,504 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,950 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,788 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,755 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,629 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,246 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,018 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,257 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,235 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,973 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,987 |
| Monarchies of Asia | 0 | - | 4.97 | 70,963 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,738 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,767 |
| Countries of the Middle East | 0 | - | 4.96 | 200,705 |
| Provinces of Turkey | 0 | - | 4.95 | 203,581 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,753 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,431 |
| Provinces of China | 0 | - | 4.97 | 203,373 |
| Japanese Prefectures | 0 | - | 4.98 | 136,371 |
