| Australia... or New Zealand? | 0 | - | 4.83 | 61,245 |
| Regions of New Zealand | 0 | - | 4.85 | 28,338 |
| Australian Capitals | 0 | - | 4.92 | 62,644 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,802 |
| Official European Union Languages | 0 | - | 4.97 | 237,511 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,228 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,086 |
| Australia True or False | 0 | - | 4.87 | 56,636 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,506 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,833 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,946 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,334 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,093 |
| Australia Country Quiz | 0 | - | 4.43 | 69,395 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,390 |
| Slavic Languages | 0 | - | 4.68 | 54,124 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,474 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,223 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,823 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,499 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,023 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,501 |
| Top World Languages | 0 | - | 4.92 | 816,330 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,992 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,839 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,666 |
| Countries by Official Language | 0 | - | 4.95 | 193,763 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,980 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,215 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,257 |
| Countries in their Native Language | 0 | - | 4.99 | 197,418 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,629 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,461 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,106 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,853 |
| Word Chain - Australia | 0 | - | 4.37 | 38,061 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,254 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,794 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,406 |
| Asia Map Quiz | 0 | - | 4.99 | 910,047 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,743 |
| Countries of Africa | 0 | - | 5.00 | 2,518,072 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,170 |
| African East Coast | 0 | - | 4.96 | 95,426 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,288 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,007 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Australia Map Quiz | 0 | - | 4.94 | 343,095 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,047 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,883 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,422 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,730 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,044 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,712 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,164 |
| The Only European Country ... | 0 | - | 4.91 | 214,870 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,156 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,648 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,080 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,681 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,450 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,178 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,437 |
| German-Speaking Countries | 0 | - | 4.91 | 140,429 |
| Italian Name Translation | 0 | - | 4.81 | 45,723 |
| French-Speaking Countries | 0 | - | 4.85 | 269,580 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,181 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,588 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,054 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,090 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,830 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,602 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,768 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,624 |
| African Island Countries | 0 | - | 4.96 | 101,078 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,286 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,649 |
| Australian States and Territories | 0 | - | 4.96 | 141,258 |
| Famous Australians by Description | 0 | - | 4.23 | 27,757 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,109 |
| Australian Slang | 0 | - | 4.25 | 28,529 |
| Flags of North and South America | 0 | - | 4.99 | 369,584 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,352 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,454 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,722 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,804 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,150 |
| North America Map Quiz | 0 | - | 4.98 | 246,121 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,482 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,472 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,637 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,302 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,042 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,683 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,049 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,629 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,166 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,704 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,054 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,053 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,178 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,161 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,635 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,444 |
| Slavic Countries | 0 | - | 4.96 | 111,160 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,165 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,709 |
| Languages of Spain | 0 | - | 4.36 | 23,219 |
| Counties of England | 0 | - | 4.97 | 791,870 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,278 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,763 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,139 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,673 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,532 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,189 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,888 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,431 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,418 |
| Countries of the Middle East | 0 | - | 4.96 | 199,678 |
| English Speaking Countries | 0 | - | 4.64 | 356,558 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,350 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,426 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,063 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,596 |
| States of India | 0 | - | 4.94 | 191,401 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,338 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,163 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,413 |
| The Only African Country ... | 0 | - | 4.98 | 128,647 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,891 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,342 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,523 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,653 |
| Flags of Oceania | 0 | - | 5.00 | 256,593 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,732 |
| The Only American Country ... | 0 | - | 4.92 | 121,101 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,667 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,427 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,578 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,304 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,198 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,347 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,156 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,721 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,110 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,368 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,653 |
| US States Quiz | 0 | - | 5.00 | 16,763,371 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,683 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,584 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,283 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,810 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,372 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,516 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,268 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,152 |
| Monarchies of Europe | 0 | - | 4.90 | 97,624 |
| European Countries with One Border | 0 | - | 4.97 | 182,018 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,894 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,623 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,422 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,013 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,459 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,648 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,084 |
| States of Germany | 0 | - | 4.96 | 150,891 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,290 |
| Regions of Italy | 0 | - | 4.92 | 75,075 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,049 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,029 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,655 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,039 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,271 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,525 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,605 |
| Champions League Winners | 0 | - | 4.92 | 999,899 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,156 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,419 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,704 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,482 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,715 |
| Monarchies of Asia | 0 | - | 4.97 | 70,780 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,580 |
| Provinces of Turkey | 0 | - | 4.95 | 202,647 |
| Provinces of China | 0 | - | 4.97 | 201,694 |
| Japanese Prefectures | 0 | - | 4.98 | 135,460 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,460 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,219 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,458 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,229 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,906 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,982 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,098 |
| States of India Map Quiz | 0 | - | 4.83 | 26,200 |
| Countries Bordering India | 0 | - | 4.98 | 163,151 |
| Countries Closest to India | 0 | - | 4.97 | 102,419 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,937 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,497 |
| African Great Lakes | 0 | - | 4.82 | 65,599 |
