| Australia... or New Zealand? | 0 | - | 4.83 | 61,117 |
| Regions of New Zealand | 0 | - | 4.85 | 28,242 |
| Australian Capitals | 0 | - | 4.92 | 62,601 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,660 |
| Official European Union Languages | 0 | - | 4.97 | 237,109 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,935 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,664 |
| Australia True or False | 0 | - | 4.87 | 56,546 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,413 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,699 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,780 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,275 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,960 |
| Australia Country Quiz | 0 | - | 4.43 | 69,332 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,662 |
| Slavic Languages | 0 | - | 4.67 | 54,027 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,443 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,699 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,081 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,240 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,279 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,396 |
| Top World Languages | 0 | - | 4.92 | 814,069 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,898 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,758 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,811 |
| Countries by Official Language | 0 | - | 4.95 | 192,931 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,626 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,046 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,349 |
| Countries in their Native Language | 0 | - | 4.99 | 196,781 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,947 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,799 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,051 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,118 |
| Word Chain - Australia | 0 | - | 4.37 | 38,025 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,555 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,740 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,890 |
| Asia Map Quiz | 0 | - | 4.99 | 907,939 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,611 |
| Countries of Africa | 0 | - | 5.00 | 2,511,102 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,911 |
| African East Coast | 0 | - | 4.96 | 95,162 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,033 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,987 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,916 |
| Australia Map Quiz | 0 | - | 4.94 | 342,699 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,597 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,364 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,319 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,251 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,566 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,578 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,752 |
| The Only European Country ... | 0 | - | 4.91 | 214,152 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,762 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,591 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,603 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,759 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,163 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,740 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,350 |
| German-Speaking Countries | 0 | - | 4.89 | 123,550 |
| Italian Name Translation | 0 | - | 4.81 | 45,226 |
| French-Speaking Countries | 0 | - | 4.85 | 269,022 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,100 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,479 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,251 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,766 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,654 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,384 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,575 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,292 |
| African Island Countries | 0 | - | 4.96 | 100,882 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,859 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,637 |
| Australian States and Territories | 0 | - | 4.96 | 141,010 |
| Famous Australians by Description | 0 | - | 4.23 | 27,675 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,043 |
| Australian Slang | 0 | - | 4.25 | 28,495 |
| Flags of North and South America | 0 | - | 4.99 | 368,122 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,203 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,250 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,366 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,989 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,174 |
| North America Map Quiz | 0 | - | 4.98 | 244,912 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,420 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,437 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,547 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,733 |
| Celtic Nations | 0 | - | 4.69 | 46,833 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,831 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,811 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,402 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,604 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,562 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,928 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,096 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,314 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,764 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,381 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,290 |
| Slavic Countries | 0 | - | 4.96 | 110,952 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,075 |
| Languages of Spain | 0 | - | 4.36 | 23,164 |
| Counties of England | 0 | - | 4.97 | 790,035 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,454 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,420 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,894 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,496 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,345 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,881 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,612 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,975 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,242 |
| Countries of the Middle East | 0 | - | 4.96 | 199,163 |
| English Speaking Countries | 0 | - | 4.64 | 356,171 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,184 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,305 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,894 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,367 |
| States of India | 0 | - | 4.94 | 190,612 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,202 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,027 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,293 |
| The Only African Country ... | 0 | - | 4.98 | 128,428 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,811 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,165 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,543 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,362 |
| Flags of Oceania | 0 | - | 5.00 | 255,727 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,518 |
| The Only American Country ... | 0 | - | 4.92 | 120,853 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,421 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,379 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,036 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,095 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,962 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,112 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,020 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,460 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,943 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,145 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,552 |
| US States Quiz | 0 | - | 5.00 | 16,721,205 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,433 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,437 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,522 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,027 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,308 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,910 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| European Countries with One Border | 0 | - | 4.97 | 181,752 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,651 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,385 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,077 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,374 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,280 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,338 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,840 |
| States of Germany | 0 | - | 4.96 | 150,365 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,124 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,588 |
| Regions of Italy | 0 | - | 4.92 | 74,853 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,910 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,505 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,403 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,453 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,114 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,255 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,559 |
| Champions League Winners | 0 | - | 4.92 | 997,466 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,067 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,163 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,467 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,015 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,521 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,474 |
| Provinces of Turkey | 0 | - | 4.95 | 201,800 |
| Provinces of China | 0 | - | 4.97 | 200,607 |
| Japanese Prefectures | 0 | - | 4.98 | 134,854 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,319 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,904 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,289 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,018 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,755 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,840 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,743 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,061 |
| States of India Map Quiz | 0 | - | 4.82 | 26,090 |
| Countries Bordering India | 0 | - | 4.98 | 162,659 |
| Countries Closest to India | 0 | - | 4.97 | 102,256 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,816 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,400 |
