| Australia... or New Zealand? | 0 | - | 4.83 | 61,137 |
| Regions of New Zealand | 0 | - | 4.85 | 28,250 |
| Australian Capitals | 0 | - | 4.92 | 62,607 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,680 |
| Official European Union Languages | 0 | - | 4.97 | 237,154 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,019 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,699 |
| Australia True or False | 0 | - | 4.87 | 56,555 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,421 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,713 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,799 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,285 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,984 |
| Australia Country Quiz | 0 | - | 4.43 | 69,342 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,708 |
| Slavic Languages | 0 | - | 4.67 | 54,038 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,445 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,717 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,150 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,268 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,307 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,450 |
| Top World Languages | 0 | - | 4.92 | 814,318 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,907 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,770 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,638 |
| Countries by Official Language | 0 | - | 4.95 | 192,961 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,667 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,061 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,403 |
| Countries in their Native Language | 0 | - | 4.99 | 196,817 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,984 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,087 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,053 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,269 |
| Word Chain - Australia | 0 | - | 4.37 | 38,028 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,617 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,746 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,953 |
| Asia Map Quiz | 0 | - | 4.99 | 908,110 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,629 |
| Countries of Africa | 0 | - | 5.00 | 2,511,830 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,932 |
| African East Coast | 0 | - | 4.96 | 95,178 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,050 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,989 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,942 |
| Australia Map Quiz | 0 | - | 4.94 | 342,738 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,861 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,414 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,332 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,295 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,616 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,588 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,790 |
| The Only European Country ... | 0 | - | 4.91 | 214,225 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,798 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,602 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,636 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,885 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,191 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,751 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,357 |
| German-Speaking Countries | 0 | - | 4.89 | 123,562 |
| Italian Name Translation | 0 | - | 4.81 | 45,253 |
| French-Speaking Countries | 0 | - | 4.85 | 269,066 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,110 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,498 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,356 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,798 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,669 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,407 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,599 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,320 |
| African Island Countries | 0 | - | 4.96 | 100,901 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,888 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| Australian States and Territories | 0 | - | 4.96 | 141,048 |
| Famous Australians by Description | 0 | - | 4.23 | 27,688 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,051 |
| Australian Slang | 0 | - | 4.25 | 28,500 |
| Flags of North and South America | 0 | - | 4.99 | 368,233 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,212 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,267 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,386 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,125 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,428 |
| North America Map Quiz | 0 | - | 4.98 | 244,973 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,540 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,546 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,554 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,257 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,124 |
| Celtic Nations | 0 | - | 4.69 | 46,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,055 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,838 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,421 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,653 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,572 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,935 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,152 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,480 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,794 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,399 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,316 |
| Slavic Countries | 0 | - | 4.96 | 110,975 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,084 |
| Languages of Spain | 0 | - | 4.36 | 23,167 |
| Counties of England | 0 | - | 4.97 | 790,211 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,625 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,434 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,915 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,520 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,364 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,916 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,625 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,989 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,261 |
| Countries of the Middle East | 0 | - | 4.96 | 199,204 |
| English Speaking Countries | 0 | - | 4.64 | 356,204 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,195 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,323 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,910 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,383 |
| States of India | 0 | - | 4.94 | 190,708 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,209 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,034 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,299 |
| The Only African Country ... | 0 | - | 4.98 | 128,447 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,817 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,188 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,566 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,462 |
| Flags of Oceania | 0 | - | 5.00 | 255,809 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,537 |
| The Only American Country ... | 0 | - | 4.92 | 120,875 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,430 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,386 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,073 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,109 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,970 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,138 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,026 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,472 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,958 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,160 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,559 |
| US States Quiz | 0 | - | 5.00 | 16,725,168 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,445 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,458 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,125 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,546 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,055 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,329 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,195 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,930 |
| Monarchies of Europe | 0 | - | 4.90 | 97,439 |
| European Countries with One Border | 0 | - | 4.97 | 181,773 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,670 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,413 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,098 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,445 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,295 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,371 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,877 |
| States of Germany | 0 | - | 4.96 | 150,410 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,130 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,602 |
| Regions of Italy | 0 | - | 4.92 | 74,879 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,923 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,552 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,447 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,534 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,142 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,285 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,565 |
| Champions League Winners | 0 | - | 4.92 | 997,662 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,080 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,190 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,479 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,048 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,536 |
| Monarchies of Asia | 0 | - | 4.97 | 70,664 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,486 |
| Provinces of Turkey | 0 | - | 4.95 | 201,891 |
| Provinces of China | 0 | - | 4.97 | 200,706 |
| Japanese Prefectures | 0 | - | 4.98 | 134,959 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,330 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,939 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,304 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,039 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,768 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,850 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,891 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,065 |
| States of India Map Quiz | 0 | - | 4.82 | 26,109 |
| Countries Bordering India | 0 | - | 4.98 | 162,674 |
| Countries Closest to India | 0 | - | 4.97 | 102,277 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,833 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,412 |
