| African Countries by First 2 Letters | 0 | - | 4.96 | 266,444 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,189 |
| African East Coast | 0 | - | 4.96 | 94,998 |
| English Words of Arabic Origin | 0 | - | 4.54 | 49,597 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,352 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,571 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,990 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,259 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,132 |
| African Great Lakes | 0 | - | 4.82 | 65,099 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,214 |
| Native American Words | 0 | - | 4.26 | 24,704 |
| Japanese Loanwords | 0 | - | 4.47 | 84,335 |
| Africa A-Z | 0 | - | 4.57 | 46,357 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,442 |
| American Legal Vocabulary | 0 | - | 4.40 | 33,786 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,048 |
| Famous People from Africa | 0 | - | 4.45 | 10,855 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,796 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,198 |
| Word Chain - Africa | 0 | - | 4.47 | 31,435 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,775 |
| Australian Capitals | 0 | - | 4.92 | 62,589 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,559 |
| Official European Union Languages | 0 | - | 4.97 | 236,458 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,656 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,724 |
| German Loan Words | 0 | - | 4.27 | 135,446 |
| Elemental Words | 0 | - | 4.96 | 51,964 |
| Mythical Creatures #2 | 0 | - | 4.04 | 111,042 |
| Christmas Vocabulary | 0 | - | 4.06 | 33,344 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,679 |
| African Physical Geography | 0 | - | 4.51 | 31,564 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,043 |
| Geography of South Africa | 0 | - | 4.54 | 17,134 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,976 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,046 |
| American to British Word Translation | 0 | - | 4.06 | 117,036 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,310 |
| Asia Map Quiz | 0 | - | 4.99 | 906,603 |
| Last Name Vocabulary | 0 | - | 4.17 | 56,177 |
| Countries of Africa | 0 | - | 5.00 | 2,506,376 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,687 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,890 |
| Provinces of South Africa | 0 | - | 4.74 | 21,360 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| Australia Map Quiz | 0 | - | 4.94 | 342,375 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,953 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,515 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,015 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,177 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,878 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,211 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,520 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,453 |
| The Only European Country ... | 0 | - | 4.91 | 213,690 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,444 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| British Spellings | 0 | - | 4.07 | 99,197 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,411 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,557 |
| Foods by Alternate Definition | 0 | - | 3.88 | 53,419 |
| Movie Title Vocabulary Quiz #1 | 0 | - | 4.23 | 59,560 |
| Song Title Vocabulary | 0 | - | 4.35 | 62,204 |
| First Name Vocabulary #1 | 0 | - | 3.84 | 48,163 |
| First Name Vocabulary #2 | 0 | - | 3.96 | 36,358 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,151 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 85,961 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,418 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,898 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,566 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,530 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,209 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,471 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,024 |
| African Island Countries | 0 | - | 4.96 | 100,734 |
| Australian States and Territories | 0 | - | 4.95 | 140,607 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,001 |
| Australian Slang | 0 | - | 4.25 | 28,464 |
| Australia True or False | 0 | - | 4.87 | 56,488 |
| Flags of North and South America | 0 | - | 4.99 | 366,629 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,131 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,131 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,101 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,839 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,175 |
| North America Map Quiz | 0 | - | 4.98 | 244,256 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,366 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,666 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,748 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,581 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,478 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,232 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,634 |
| Celtic Nations | 0 | - | 4.69 | 46,806 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,362 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,665 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,253 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,215 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,441 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,820 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,704 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,746 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,210 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,151 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| British to American Word Translation | 0 | - | 3.74 | 253,290 |
| British Foods by Description | 0 | - | 3.94 | 48,226 |
| British and American Word Differences | 0 | - | 2.67 | 45,909 |
| Counties of England | 0 | - | 4.97 | 788,850 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,134 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,320 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,369 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,196 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,659 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,435 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,641 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,716 |
| Countries of the Middle East | 0 | - | 4.96 | 198,824 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| States of India | 0 | - | 4.94 | 189,898 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,227 |
| African Geography A-Z | 0 | - | 4.33 | 21,414 |
| The Only African Country ... | 0 | - | 4.99 | 128,317 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,758 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,030 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,064 |
| Flags of Oceania | 0 | - | 5.00 | 254,948 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,892 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,377 |
| Australia Country Quiz | 0 | - | 4.43 | 69,260 |
| Regions of New Zealand | 0 | - | 4.85 | 28,114 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,341 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,676 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,914 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,861 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,888 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,925 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,270 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,826 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,025 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,466 |
| US States Quiz | 0 | - | 5.00 | 16,691,880 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,335 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,298 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,005 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,307 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,789 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,180 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,124 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,749 |
| Monarchies of Europe | 0 | - | 4.90 | 97,275 |
| European Countries with One Border | 0 | - | 4.97 | 181,556 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,403 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,870 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,862 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,149 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,064 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,642 |
| States of Germany | 0 | - | 4.96 | 149,946 |
| Regions of Italy | 0 | - | 4.92 | 74,654 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,258 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,044 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,876 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,024 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,838 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,973 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,984 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,306 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,687 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,360 |
| Monarchies of Asia | 0 | - | 4.97 | 70,577 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| Provinces of Turkey | 0 | - | 4.95 | 200,820 |
| Provinces of China | 0 | - | 4.97 | 199,959 |
| Japanese Prefectures | 0 | - | 4.98 | 134,461 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,144 |
| Movie Title Vocabulary Quiz #2 | 0 | - | 4.02 | 21,089 |
| Military History Vocabulary | 0 | - | 4.91 | 66,619 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,730 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,176 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,817 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,638 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,763 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,712 |
| States of India Map Quiz | 0 | - | 4.82 | 26,009 |
| Countries Bordering India | 0 | - | 4.98 | 162,569 |
| Countries Closest to India | 0 | - | 4.97 | 102,182 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,756 |
| Every African Country Shape | 0 | - | 4.90 | 86,023 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,830 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,150 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,333 |
