| Australia... or New Zealand? | 0 | - | 4.83 | 61,347 |
| Australia True or False | 0 | - | 4.87 | 56,702 |
| Australian Capitals | 0 | - | 4.92 | 62,670 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,214 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,182 |
| Australia Country Quiz | 0 | - | 4.43 | 69,461 |
| Regions of New Zealand | 0 | - | 4.85 | 28,420 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,035 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,520 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 211,278 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,315 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,135 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,661 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,517 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,624 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,550 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,724 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,069 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,042 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,893 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,887 |
| Official European Union Languages | 0 | - | 4.97 | 237,789 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,402 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,786 |
| Germany True or False? | 0 | - | 4.61 | 48,675 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,594 |
| Asia Map Quiz | 0 | - | 4.99 | 911,790 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,358 |
| African East Coast | 0 | - | 4.96 | 95,603 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,433 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,261 |
| Word Chain - Australia | 0 | - | 4.37 | 38,086 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,274 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,503 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,109 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,780 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,449 |
| The Only European Country ... | 0 | - | 4.91 | 215,392 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,461 |
| France Multiple Choice | 0 | - | 4.38 | 40,687 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,690 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,268 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,304 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,522 |
| Countries of Africa | 0 | - | 5.00 | 2,523,672 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,020 |
| Australia Map Quiz | 0 | - | 4.94 | 343,426 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,611 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,425 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,655 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,715 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,726 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,491 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,343 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,971 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,771 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,891 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,855 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,323 |
| African Island Countries | 0 | - | 4.96 | 101,231 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,743 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,024 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,660 |
| Australian States and Territories | 0 | - | 4.96 | 141,448 |
| Famous Australians by Description | 0 | - | 4.23 | 27,809 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,165 |
| Australian Slang | 0 | - | 4.24 | 28,563 |
| Flags of North and South America | 0 | - | 4.99 | 370,681 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,435 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,579 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,997 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,446 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,188 |
| North America Map Quiz | 0 | - | 4.98 | 246,899 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,576 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,217 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,206 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,923 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,715 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,331 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,207 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,074 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,226 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,767 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,631 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,828 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,147 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,515 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,755 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,471 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,821 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,579 |
| Slavic Countries | 0 | - | 4.96 | 111,315 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,800 |
| Counties of England | 0 | - | 4.97 | 793,163 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,975 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,695 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,898 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,304 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,788 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,641 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,405 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,060 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,093 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,696 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,599 |
| Countries of the Middle East | 0 | - | 4.96 | 200,024 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,376 |
| States of India | 0 | - | 4.94 | 191,929 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,429 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,217 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,510 |
| The Only African Country ... | 0 | - | 4.99 | 128,765 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,955 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,474 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,914 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,789 |
| Flags of Oceania | 0 | - | 5.00 | 257,309 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,957 |
| The Only American Country ... | 0 | - | 4.92 | 121,230 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,783 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,474 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,054 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,496 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,361 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,584 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,250 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,933 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,219 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,536 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,722 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,788 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,650 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,494 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,029 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,617 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,664 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,320 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,313 |
| Monarchies of Europe | 0 | - | 4.90 | 97,763 |
| European Countries with One Border | 0 | - | 4.97 | 182,231 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,088 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,736 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,632 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,943 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,557 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,444 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,580 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,579 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,914 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,298 |
| States of Germany | 0 | - | 4.96 | 151,300 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,658 |
| Regions of Italy | 0 | - | 4.92 | 75,302 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,712 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,300 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,794 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,539 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,396 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,755 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,626 |
| Champions League Winners | 0 | - | 4.92 | 1,001,538 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,195 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,579 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,859 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,844 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,852 |
| Monarchies of Asia | 0 | - | 4.97 | 70,871 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,677 |
| Provinces of Turkey | 0 | - | 4.95 | 203,156 |
| Provinces of China | 0 | - | 4.97 | 202,584 |
| Japanese Prefectures | 0 | - | 4.98 | 135,907 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,572 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,404 |
| States of India Map Quiz | 0 | - | 4.83 | 26,264 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,012 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,575 |
| African Great Lakes | 0 | - | 4.82 | 65,781 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,233 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,840 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,861 |
| Name a Valid African Country | 0 | - | 4.98 | 153,515 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,675 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,962 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,285 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,227 |
| Palau Country Quiz | 0 | - | 4.90 | 22,935 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,417 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,811 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,608 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,379 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,455 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,157 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,519 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,178 |
| States of Mexico | 0 | - | 4.95 | 174,975 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,260 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,618 |
