| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,958 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,541 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,686 |
| Official European Union Languages | 0 | - | 4.97 | 239,701 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,592 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,385 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,937 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,754 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| North America Map Quiz | 0 | - | 4.98 | 251,862 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,728 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,135 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,327 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,374 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,513 |
| Slavic Languages | 0 | - | 4.68 | 54,679 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,590 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,669 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,280 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,651 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,675 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,556 |
| Top World Languages | 0 | - | 4.92 | 829,305 |
| Australian Capitals | 0 | - | 4.92 | 62,826 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,567 |
| Europe Map Quiz | 0 | - | 5.00 | 4,786,301 |
| Countries by Official Language | 0 | - | 4.95 | 195,934 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,278 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,539 |
| Countries in their Native Language | 0 | - | 4.99 | 199,673 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,888 |
| Top World Languages on a Map | 0 | - | 4.94 | 103,635 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 117,542 |
| Wikipedia Languages | 0 | - | 4.97 | 127,528 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,994 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,367 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,705 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,168 |
| Asia Map Quiz | 0 | - | 4.99 | 924,690 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,027 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,236 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,722 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,678 |
| All Wikipedia Languages | 0 | - | 4.95 | 28,746 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,419 |
| Australia Map Quiz | 0 | - | 4.95 | 346,077 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,318 |
| New World Crops | 0 | - | 4.38 | 30,959 |
| North American Physical Geography | 0 | - | 4.35 | 30,456 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,483 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,837 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,892 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,672 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,132 |
| Celtic Nations | 0 | - | 4.61 | 47,087 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,287 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,012 |
| The Only European Country ... | 0 | - | 4.91 | 218,848 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,429 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,042 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,883 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,043 |
| Countries of Africa | 0 | - | 5.00 | 2,558,192 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,799 |
| African East Coast | 0 | - | 4.96 | 96,719 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,563 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,956 |
| Top Five Languages by Language Family | 0 | - | 4.99 | 54,480 |
| German-Speaking Countries | 0 | - | 4.92 | 146,003 |
| Italian Name Translation | 0 | - | 4.83 | 47,898 |
| French-Speaking Countries | 0 | - | 4.85 | 271,606 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,829 |
| Australian States and Territories | 0 | - | 4.96 | 142,806 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,490 |
| Australia True or False | 0 | - | 4.87 | 57,128 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,597 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,614 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,442 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,724 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,173 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,155 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,498 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,452 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,992 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,627 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,733 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,990 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,618 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,555 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,307 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,128 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,738 |
| Slavic Countries | 0 | - | 4.96 | 112,325 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,677 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,421 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,770 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,485 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,864 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,111 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,766 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,281 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,027 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,532 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,548 |
| Countries of the Middle East | 0 | - | 4.96 | 202,633 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,494 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,515 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,226 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,090 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,537 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,191 |
| African Island Countries | 0 | - | 4.96 | 102,401 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,547 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,634 |
| English Speaking Countries | 0 | - | 4.64 | 358,186 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,353 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,904 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,802 |
| Australia Country Quiz | 0 | - | 4.43 | 69,824 |
| Flags of North and South America | 0 | - | 4.99 | 376,699 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,217 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,778 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,844 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,786 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,924 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,384 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,257,011 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,206 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,738 |
| Counties of England | 0 | - | 4.97 | 802,476 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,350 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,784 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,091 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,994 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,911 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 128,098 |
| English Words Formed by Latin and Greek Roots | 0 | - | 4.46 | 67,349 |
| Flags of Oceania | 0 | - | 5.00 | 262,490 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,689 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,461 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,981 |
| Regions of New Zealand | 0 | - | 4.84 | 28,718 |
| The Only American Country ... | 0 | - | 4.92 | 122,182 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,620 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 904,843 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,789 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,948 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,862 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,775 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,915 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,404 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,946 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,242 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,809 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,899 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,472 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,719 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,444 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,437 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,495 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,727 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,433 |
| Monarchies of Europe | 0 | - | 4.90 | 98,817 |
| European Countries with One Border | 0 | - | 4.97 | 183,724 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,476 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,555 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,302 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,242 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,693 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,791 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,519 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,934 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,361 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,434 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,578 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,756 |
| States of Germany | 0 | - | 4.95 | 154,367 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,662 |
| Regions of Italy | 0 | - | 4.92 | 76,983 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,772 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,251 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,723 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,328 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,487 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,966 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Champions League Winners | 0 | - | 4.92 | 1,015,526 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,954 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,785 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,055 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,379 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,740 |
| Monarchies of Asia | 0 | - | 4.97 | 71,479 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,267 |
| Provinces of Turkey | 0 | - | 4.95 | 205,809 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,793 |
| Provinces of China | 0 | - | 4.97 | 207,786 |
| Japanese Prefectures | 0 | - | 4.98 | 138,906 |
| States of India | 0 | - | 4.94 | 195,748 |
