| African Countries by First 2 Letters | 0 | - | 4.96 | 268,445 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,255 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,250 |
| Official European Union Languages | 0 | - | 4.97 | 238,733 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,012 |
| African East Coast | 0 | - | 4.96 | 96,166 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,643 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,774 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,253 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,559 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,563 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,708 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,564 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,168 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,372 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,070 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,111 |
| African Great Lakes | 0 | - | 4.82 | 66,347 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| Slavic Languages | 0 | - | 4.68 | 54,419 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,438 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,570 |
| African Physical Geography | 0 | - | 4.51 | 31,725 |
| Africa A-Z | 0 | - | 4.57 | 46,647 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,483 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,227 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,337 |
| Top World Languages | 0 | - | 4.92 | 823,446 |
| Famous People from Africa | 0 | - | 4.45 | 10,957 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,399 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,785 |
| Australian Capitals | 0 | - | 4.92 | 62,735 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,488 |
| Countries by Official Language | 0 | - | 4.95 | 195,128 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,151 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,204 |
| Countries in their Native Language | 0 | - | 4.99 | 198,923 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,972 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,129 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,987 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,266 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,651 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,073 |
| Asia Map Quiz | 0 | - | 4.99 | 918,179 |
| Geography of South Africa | 0 | - | 4.54 | 17,263 |
| History of South Africa | 0 | - | 4.60 | 17,707 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,928 |
| Countries of Africa | 0 | - | 5.00 | 2,541,462 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,991 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,767 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,042 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,820 |
| Australia Map Quiz | 0 | - | 4.95 | 344,897 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,576 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,331 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,794 |
| Celtic Nations | 0 | - | 4.69 | 46,968 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,047 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,489 |
| The Only European Country ... | 0 | - | 4.91 | 217,086 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,395 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,875 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,122 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,042 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,155 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,265 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,444 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,736 |
| German-Speaking Countries | 0 | - | 4.91 | 145,670 |
| Italian Name Translation | 0 | - | 4.83 | 47,074 |
| French-Speaking Countries | 0 | - | 4.85 | 270,735 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,388 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,036 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,190 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,702 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,369 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,360 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,701 |
| African Island Countries | 0 | - | 4.96 | 101,762 |
| Provinces of South Africa | 0 | - | 4.74 | 21,748 |
| Australian States and Territories | 0 | - | 4.96 | 142,139 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,330 |
| Australia True or False | 0 | - | 4.87 | 56,921 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,678 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,317 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,970 |
| North America Map Quiz | 0 | - | 4.98 | 248,971 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,641 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,929 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,806 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,334 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,080 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,276 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,468 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,944 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,461 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,462 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,444 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,316 |
| Slavic Countries | 0 | - | 4.96 | 111,787 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,407 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,131 |
| Languages of Spain | 0 | - | 4.36 | 23,339 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,323 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,878 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,279 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,122 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,068 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,650 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,587 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,034 |
| Countries of the Middle East | 0 | - | 4.96 | 201,422 |
| English Speaking Countries | 0 | - | 4.64 | 357,498 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,923 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,709 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,683 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,319 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,343 |
| Australia Country Quiz | 0 | - | 4.43 | 69,645 |
| Flags of North and South America | 0 | - | 4.99 | 373,802 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,869 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,715 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,206 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,096 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,595 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,912 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,535 |
| Counties of England | 0 | - | 4.97 | 798,037 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,248 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,023 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,424 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,800 |
| States of India | 0 | - | 4.95 | 193,814 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,838 |
| African Geography A-Z | 0 | - | 4.33 | 21,490 |
| The Only African Country ... | 0 | - | 4.99 | 129,217 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,168 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,963 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,300 |
| Flags of Oceania | 0 | - | 5.00 | 259,993 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,384 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,573 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,645 |
| Regions of New Zealand | 0 | - | 4.84 | 28,554 |
| The Only American Country ... | 0 | - | 4.92 | 121,731 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,211 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,619 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,679 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,090 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,764 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,306 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,551 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,618 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,554 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,237 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,003 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,151 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,979 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,719 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,543 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,259 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,904 |
| Monarchies of Europe | 0 | - | 4.90 | 98,255 |
| European Countries with One Border | 0 | - | 4.97 | 182,979 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,754 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,778 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,588 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,158 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,682 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,004 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,659 |
| States of Germany Map Quiz | 0 | - | 4.91 | 133,011 |
| States of Germany | 0 | - | 4.95 | 152,917 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,182 |
| Regions of Italy | 0 | - | 4.92 | 76,101 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,314 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,198 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,316 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,891 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,078 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,928 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,728 |
| Champions League Winners | 0 | - | 4.91 | 1,008,530 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,585 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,132 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,431 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,143 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,319 |
| Monarchies of Asia | 0 | - | 4.97 | 71,156 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,964 |
| Provinces of Turkey | 0 | - | 4.95 | 204,453 |
| Provinces of China | 0 | - | 4.97 | 205,114 |
| Japanese Prefectures | 0 | - | 4.98 | 137,307 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,175 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,936 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,989 |
| States of India Map Quiz | 0 | - | 4.83 | 26,576 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,306 |
