| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,172,495 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,918 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,236 |
| Category Elimination - African Geography #1 | 0 | - | 4.89 | 78,866 |
| African East Coast | 0 | - | 4.97 | 83,414 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,527 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,363 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 33,398 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,712 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 100,094 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.90 | 91,725 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 81,334 |
| Name a Valid Asian Country | 0 | - | 4.98 | 91,693 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,117 |
| African Great Lakes | 0 | - | 4.84 | 52,202 |
| Africa Geography Quiz #2 | 0 | - | 4.57 | 31,011 |
| Name a Valid African Country | 0 | - | 4.98 | 123,000 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 145,291 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,496 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 244,539 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 141,298 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 186,846 |
| Name a Valid European Country #2 | 0 | - | 4.93 | 83,483 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.44 | 287,774 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 454,333 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 75,855 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 253,289 |
| Africa A-Z | 0 | - | 4.54 | 43,537 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 56,377 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,904 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,812 |
| NBA Teams - One Minute Sprint | 0 | - | 4.52 | 135,597 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 72,820 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 50,727 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 45,113 |
| Famous People from Africa | 0 | - | 4.42 | 10,223 |
| "Big Five" African Game Animals | 0 | - | 4.20 | 45,524 |
| Word Chain - Africa | 0 | - | 4.43 | 29,542 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.96 | 22,527 |
| Europe Map Quiz | 0 | - | 5.00 | 4,260,606 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,777 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,259 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,946 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,648 |
| German Groups of Things | 0 | - | 4.43 | 35,789 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,335,546 |
| Asia Map Quiz | 0 | - | 4.99 | 775,716 |
| Africa Map Quiz | 0 | - | 5.00 | 1,927,113 |
| African Physical Geography | 0 | - | 4.49 | 29,882 |
| Official Languages of South Africa | 0 | - | 4.54 | 24,850 |
| Geography of South Africa | 0 | - | 4.53 | 15,804 |
| History of South Africa | 0 | - | 4.59 | 16,474 |
| Oceania Map Quiz | 0 | - | 4.97 | 563,116 |
| Australian Capitals | 0 | - | 4.90 | 52,957 |
| Word Chain - Australia | 0 | - | 4.38 | 36,055 |
| U.S. State Nicknames Quiz | 0 | - | 4.49 | 45,833 |
| Official European Union Languages | 0 | - | 4.98 | 198,960 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,984 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,365 |
| Countries With One Word and Two U's | 0 | - | 4.46 | 26,641 |
| World Capitals - One Minute Sprint | 0 | - | 4.19 | 201,386 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,309 |
| British Groups of Things | 0 | - | 4.26 | 79,972 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,655 |
| Asia Geography Quiz #3 | 0 | - | 4.50 | 30,586 |
| Asian Last Names in the United States | 0 | - | 4.41 | 43,009 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,811 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,274,292 |
| Countries of Africa | 0 | - | 5.00 | 2,144,526 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 11,583 |
| Western Africa Map Quiz | 0 | - | 4.97 | 60,214 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.79 | 27,868 |
| Provinces of South Africa | 0 | - | 4.80 | 17,664 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,783 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,728 |
| Australia Map Quiz | 0 | - | 4.95 | 317,527 |
| Hispanic Last Names in the U.S. | 0 | - | 4.29 | 52,471 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,843 |
| United States Map Quiz | 0 | - | 4.98 | 3,883,774 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 697,401 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,349 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,424 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,657 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 334,137 |
| Europe Geography Quiz #3 | 0 | - | 4.31 | 59,697 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,840 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 91,043 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,924 |
| The Only European Country ... | 0 | - | 4.94 | 176,218 |
| Word Chain - France | 0 | - | 4.38 | 39,798 |
| Italian Foods | 0 | - | 4.25 | 63,574 |
| Random Capital to Country | 0 | - | 4.99 | 2,345,035 |
| Random Country to Capital | 0 | - | 4.98 | 795,566 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,726 |
| Most Common Last Names in Sweden | 0 | - | 4.41 | 14,021 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,502 |
| Geography of Spain | 0 | - | 4.51 | 20,231 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,522 |
| Counties of England | 0 | - | 4.96 | 684,049 |
| Members of the British Royal Family | 0 | - | 4.11 | 108,967 |
| Flags of Asia Quiz | 0 | - | 4.99 | 519,468 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,685 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,933 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,140 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,928 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 110,074 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,817 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 60,004 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,984 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 35,683 |
| Countries of the Middle East | 0 | - | 4.96 | 171,606 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,897 |
| Countries that Beat Japan | 0 | - | 4.44 | 60,262 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,053 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,785 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,980 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,562 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,051 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 130,059 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,300 |
| African Island Countries | 0 | - | 4.96 | 88,632 |
| Australian States and Territories | 0 | - | 4.96 | 128,266 |
| Australian True or False | 0 | - | 4.90 | 50,891 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,484 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,451 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,151 |
| South America Map Quiz | 0 | - | 5.00 | 1,411,495 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,534 |
| Countries that Beat Brazil | 0 | - | 4.41 | 45,033 |
| Countries of North America Quiz | 0 | - | 5.00 | 870,548 |
| North America Map Quiz | 0 | - | 4.98 | 195,047 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,084 |
| California Groups of Things | 0 | - | 4.23 | 42,581 |
| New York Groups of Things | 0 | - | 4.39 | 57,002 |
| U.S. History Groups of Two | 0 | - | 4.27 | 35,150 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,619 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,427 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,972 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,033,902 |
| Celtic Nations | 0 | - | 4.76 | 44,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,670 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,556 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,692 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,343 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,115 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,370 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,780 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 47,975 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,869 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 114,809 |
| Slavic Countries | 0 | - | 4.96 | 99,858 |
| Countries that Beat Russia | 0 | - | 4.64 | 51,178 |
| Dogs in the Answer | 0 | - | 4.15 | 62,815 |
| Countries by Emojis | 0 | - | 4.99 | 203,058 |
| Capital Cities Chain | 0 | - | 4.86 | 70,930 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,967 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,412 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,369 |
| Spain Cities Map Quiz | 0 | - | 4.86 | 85,414 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,680 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 168,210 |
| Biggest Spanish Empire Countries | 0 | - | 4.90 | 92,023 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,824 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,991 |
| British to American Food Translation. | 0 | - | 3.47 | 50,370 |
| UK Cities Map Quiz | 0 | - | 4.94 | 431,367 |
| Fictional Characters from Great Britain | 0 | - | 4.10 | 31,170 |
| UK Immigration by Country | 0 | - | 4.95 | 124,255 |
| United Kingdom Country Quiz | 0 | - | 4.94 | 117,318 |
| Parts of the United Kingdom | 0 | - | 4.88 | 83,029 |
| Counties of England Map Quiz | 0 | - | 4.97 | 285,438 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 27,887 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 98,593 |
| Name a Valid English City | 0 | - | 4.16 | 15,252 |
| England or Wales? | 0 | - | 4.93 | 39,885 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 264,517 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,753 |
| Champions League Winners | 0 | - | 4.91 | 840,416 |
| Asian Geography By Letter - B | 0 | - | 4.82 | 60,568 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,227 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,484 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,147 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 110,072 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,706 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,137 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,847 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,593 |
| Monarchies of Asia | 0 | - | 4.95 | 53,632 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,701 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,222 |
| Provinces of Turkey | 0 | - | 4.95 | 175,590 |
| Geography of Egypt | 0 | - | 4.59 | 19,844 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,895 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,540 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,771 |
| Provinces of China | 0 | - | 4.97 | 153,119 |
| China Cities Map Quiz | 0 | - | 4.87 | 88,031 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 83,035 |
| Japanese Prefectures | 0 | - | 4.98 | 104,880 |
| Japan Country Quiz | 0 | - | 4.92 | 118,219 |
