| African Countries by First 2 Letters | 0 | - | 4.96 | 266,470 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,382 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,567 |
| Official European Union Languages | 0 | - | 4.97 | 236,471 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,671 |
| African East Coast | 0 | - | 4.96 | 95,008 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,591 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,593 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,652 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,141 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,283 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,244 |
| African Great Lakes | 0 | - | 4.82 | 65,104 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,066 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,423 |
| Africa A-Z | 0 | - | 4.57 | 46,360 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,585 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,092 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,034 |
| Top World Languages | 0 | - | 4.92 | 812,788 |
| Famous People from Africa | 0 | - | 4.45 | 10,855 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,201 |
| Word Chain - Africa | 0 | - | 4.47 | 31,436 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,444 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,141 |
| Countries by Official Language | 0 | - | 4.95 | 192,714 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,386 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,946 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,048 |
| Countries in their Native Language | 0 | - | 4.99 | 196,578 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,750 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,853 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,800 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.67 | 37,798 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,085 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,083 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,458 |
| Asia Map Quiz | 0 | - | 4.99 | 906,730 |
| African Physical Geography | 0 | - | 4.51 | 31,566 |
| Geography of South Africa | 0 | - | 4.54 | 17,137 |
| History of South Africa | 0 | - | 4.60 | 17,599 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,700 |
| Countries of Africa | 0 | - | 5.00 | 2,506,772 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,783 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,687 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,897 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,769 |
| Australia Map Quiz | 0 | - | 4.94 | 342,411 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,053 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,184 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,908 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,243 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,524 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,482 |
| The Only European Country ... | 0 | - | 4.91 | 213,731 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,466 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,551 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,425 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,632 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,527 |
| Spanish to English Country Names | 0 | - | 4.85 | 31,989 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,277 |
| German-Speaking Countries | 0 | - | 4.89 | 123,493 |
| Italian Name Translation | 0 | - | 4.81 | 44,982 |
| French-Speaking Countries | 0 | - | 4.85 | 268,739 |
| Officially Recognized Languages of India | 0 | - | 4.38 | 31,068 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,424 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,583 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,228 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,482 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,048 |
| African Island Countries | 0 | - | 4.96 | 100,751 |
| Provinces of South Africa | 0 | - | 4.74 | 21,365 |
| Australian States and Territories | 0 | - | 4.95 | 140,656 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,008 |
| Australia True or False | 0 | - | 4.87 | 56,492 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,136 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,142 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,118 |
| North America Map Quiz | 0 | - | 4.98 | 244,318 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,222 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,485 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,676 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,257 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,240 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,448 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,756 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,793 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,304 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,220 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,164 |
| Slavic Countries | 0 | - | 4.96 | 110,825 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,036 |
| Languages of Spain | 0 | - | 4.36 | 23,145 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,327 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,207 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,672 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,451 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,730 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,135 |
| Countries of the Middle East | 0 | - | 4.96 | 198,845 |
| English Speaking Countries | 0 | - | 4.64 | 355,982 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,070 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,236 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,769 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,120 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,027 |
| Australia Country Quiz | 0 | - | 4.43 | 69,268 |
| Flags of North and South America | 0 | - | 4.99 | 366,840 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,953 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,290 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,739 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,785 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,923 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,456 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,128 |
| Counties of England | 0 | - | 4.97 | 788,938 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,693 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,261 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,259 |
| States of India | 0 | - | 4.94 | 189,953 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,236 |
| African Geography A-Z | 0 | - | 4.33 | 21,414 |
| The Only African Country ... | 0 | - | 4.99 | 128,332 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,767 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,040 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,072 |
| Flags of Oceania | 0 | - | 5.00 | 255,031 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,894 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,401 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,041 |
| Regions of New Zealand | 0 | - | 4.85 | 28,120 |
| The Only American Country ... | 0 | - | 4.92 | 120,725 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,345 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,715 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,923 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,873 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,911 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,934 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,846 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,040 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,470 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,344 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,312 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,021 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,329 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,806 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,191 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,764 |
| Monarchies of Europe | 0 | - | 4.90 | 97,286 |
| European Countries with One Border | 0 | - | 4.97 | 181,580 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,489 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,197 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,895 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,910 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,161 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,085 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,656 |
| States of Germany | 0 | - | 4.96 | 149,966 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,992 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,512 |
| Regions of Italy | 0 | - | 4.92 | 74,672 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,281 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,105 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,066 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,884 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,041 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,971 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,981 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,998 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,321 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,705 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,372 |
| Monarchies of Asia | 0 | - | 4.97 | 70,586 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Provinces of Turkey | 0 | - | 4.95 | 200,877 |
| Provinces of China | 0 | - | 4.97 | 200,022 |
| Japanese Prefectures | 0 | - | 4.98 | 134,492 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,700 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,189 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,835 |
| States of India Map Quiz | 0 | - | 4.82 | 26,017 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,761 |
