| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Australian States and Territories | 0 | - | 4.96 | 140,928 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,024 |
| Australia True or False | 0 | - | 4.87 | 56,517 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,063 |
| Australia Country Quiz | 0 | - | 4.43 | 69,290 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,478 |
| Word Chain - Australia | 0 | - | 4.37 | 38,015 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,819 |
| Animals of Australia | 0 | - | 4.52 | 42,158 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,022 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,878 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,008 |
| Flags of Oceania | 0 | - | 5.00 | 255,303 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,928 |
| Regions of New Zealand | 0 | - | 4.85 | 28,147 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,392 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,115 |
| Name a Valid African Country | 0 | - | 4.98 | 152,966 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,202 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,602 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,288 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,215 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,902 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,289 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,744 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,587 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,075 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,981 |
| Palau Country Quiz | 0 | - | 4.89 | 22,846 |
| AFL Teams | 0 | - | 4.40 | 39,753 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,299 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,354 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,433 |
| Austria... or Australia? | 0 | - | 4.68 | 103,885 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,951 |
| Famous Australians by Description | 0 | - | 4.23 | 27,623 |
| Australian Slang | 0 | - | 4.25 | 28,480 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,994 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,522 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,573 |
| Countries that Beat New Zealand | 0 | - | 4.69 | 26,181 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,605 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,866 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,922 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,135 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,204 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,811 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,479 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,718 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,595 |
| Official European Union Languages | 0 | - | 4.97 | 236,776 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,180 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,000 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,628 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,955 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,992 |
| German Groups of Things | 0 | - | 4.46 | 38,308 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,987 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,333 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,332 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,160 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,678 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,271 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,282 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,825 |
| Asia Map Quiz | 0 | - | 4.99 | 907,222 |
| Countries of Africa | 0 | - | 5.00 | 2,508,610 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| African East Coast | 0 | - | 4.96 | 95,077 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,951 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,526 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,096 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,923 |
| Australia Map Quiz | 0 | - | 4.94 | 342,542 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,737 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,940 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,174 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,504 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,649 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,615 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,201 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,475 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,199 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,190 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,221 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,058 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,374 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,406 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,547 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,618 |
| The Only European Country ... | 0 | - | 4.91 | 213,919 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,594 |
| Word Chain - France | 0 | - | 4.38 | 42,585 |
| Italian Foods | 0 | - | 4.31 | 72,212 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,574 |
| British Groups of Things | 0 | - | 4.25 | 82,681 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,519 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,500 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,157 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,309 |
| Random Country to Capital | 0 | - | 4.98 | 911,806 |
| Countries that Beat India | 0 | - | 4.41 | 62,595 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,444 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,588 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,650 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,598 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,299 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,153 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,497 |
| African Island Countries | 0 | - | 4.96 | 100,810 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,693 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,723 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,634 |
| Flags of North and South America | 0 | - | 4.99 | 367,446 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,182 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,262 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,378 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,991 |
| North America Map Quiz | 0 | - | 4.98 | 244,534 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,382 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,024 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,123 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,634 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,505 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,244 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,180 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,312 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,402 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,488 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,867 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,993 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,505 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,288 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,218 |
| Slavic Countries | 0 | - | 4.96 | 110,881 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,056 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,595 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,149 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,475 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,451 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,921 |
| Counties of England | 0 | - | 4.97 | 789,417 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,082 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,770 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,366 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,795 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,441 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,273 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,746 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,514 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,710 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,800 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,181 |
| Countries of the Middle East | 0 | - | 4.96 | 198,970 |
| Countries that Beat Saudi Arabia | 0 | - | 4.74 | 46,104 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,561 |
| Countries by Emojis | 0 | - | 4.99 | 236,239 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,131 |
| Capital Cities Chain | 0 | - | 4.84 | 81,938 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,013 |
| States of India | 0 | - | 4.94 | 190,239 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,172 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,260 |
| The Only African Country ... | 0 | - | 4.99 | 128,383 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,785 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,088 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,380 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,128 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,445 |
| The Only American Country ... | 0 | - | 4.92 | 120,778 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,900 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,355 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,878 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,999 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,908 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,014 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,967 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,359 |
| American Foods | 0 | - | 3.66 | 39,277 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,885 |
| California Groups of Things | 0 | - | 4.25 | 45,277 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,089 |
| New York Groups of Things | 0 | - | 4.38 | 59,945 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,510 |
| American History Quotes #1 | 0 | - | 4.37 | 95,696 |
| American History Quotes #2 | 0 | - | 4.38 | 41,229 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,247 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,079 |
| US States Quiz | 0 | - | 5.00 | 16,705,408 |
| Movies by State | 0 | - | 4.27 | 40,445 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,382 |
