| Australian Capitals | 0 | - | 4.92 | 62,649 |
| Australian States and Territories | 0 | - | 4.96 | 141,302 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,117 |
| Australia True or False | 0 | - | 4.87 | 56,659 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,182 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,274 |
| Australia Country Quiz | 0 | - | 4.43 | 69,414 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,189 |
| Word Chain - Australia | 0 | - | 4.37 | 38,069 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,619 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,010 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,154 |
| Animals of Australia | 0 | - | 4.52 | 42,221 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,003 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,110 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,884 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,109 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,751 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,062 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,101 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,393 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,418 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,189 |
| Flags of Oceania | 0 | - | 5.00 | 256,753 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,108 |
| Regions of New Zealand | 0 | - | 4.85 | 28,354 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,705 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,733 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,536 |
| Name a Valid African Country | 0 | - | 4.98 | 153,355 |
| Palau Country Quiz | 0 | - | 4.90 | 22,909 |
| AFL Teams | 0 | - | 4.40 | 40,108 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,356 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,427 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,243 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,512 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,701 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,504 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,634 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,637 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,983 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,451 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,821 |
| Austria... or Australia? | 0 | - | 4.68 | 104,071 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,235 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,995 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,426 |
| Famous Australians by Description | 0 | - | 4.23 | 27,772 |
| Australian Slang | 0 | - | 4.25 | 28,536 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,244 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,088 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,098 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,420 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,216 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,457 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,279 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,574 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,146 |
| Geography of Spain | 0 | - | 4.59 | 22,015 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,306 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,713 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,849 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,095 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,895 |
| German Groups of Things | 0 | - | 4.46 | 38,373 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,806 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,083 |
| Geography of Egypt | 0 | - | 4.60 | 21,454 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,007 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,378 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,831 |
| Official European Union Languages | 0 | - | 4.97 | 237,583 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,266 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,389 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,672 |
| Asia Map Quiz | 0 | - | 4.99 | 910,468 |
| Geography of China | 0 | - | 4.21 | 13,908 |
| Countries that Beat India | 0 | - | 4.41 | 62,722 |
| Countries of Africa | 0 | - | 5.00 | 2,519,683 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,212 |
| African East Coast | 0 | - | 4.96 | 95,463 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,322 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,173 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,604 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,167 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,968 |
| Australia Map Quiz | 0 | - | 4.94 | 343,177 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,796 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,986 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,236 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,593 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,706 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,666 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,651 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,905 |
| U.S. History for Dummies | 0 | - | 4.47 | 82,713 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,973 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,438 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,809 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,114 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,222 |
| The Only European Country ... | 0 | - | 4.91 | 214,974 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,228 |
| Word Chain - France | 0 | - | 4.38 | 42,669 |
| Countries that Beat Greece | 0 | - | 4.53 | 48,740 |
| Italian Foods | 0 | - | 4.31 | 72,422 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,230 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,529 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,655 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,544 |
| British Groups of Things | 0 | - | 4.25 | 82,758 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,963 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,989 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,594 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,134 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,899 |
| Countries that Beat Saudi Arabia | 0 | - | 4.73 | 46,210 |
| Countries that Beat Japan | 0 | - | 4.41 | 67,705 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,594 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,548 |
| Random Country to Capital | 0 | - | 4.98 | 914,623 |
| Countries that Beat North Korea | 0 | - | 4.43 | 34,225 |
| States of India | 0 | - | 4.94 | 191,536 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,615 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,444 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,146 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,851 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,633 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,796 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,429 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,681 |
| The Only African Country ... | 0 | - | 4.98 | 128,679 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,905 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,131 |
| African Island Countries | 0 | - | 4.96 | 101,109 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,398 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,373 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,685 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,942 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,651 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,773 |
| Flags of North and South America | 0 | - | 4.99 | 369,834 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,378 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,481 |
| The Only American Country ... | 0 | - | 4.92 | 121,136 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,759 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,118 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,174 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,657 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,632 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,337 |
| North America Map Quiz | 0 | - | 4.98 | 246,283 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,237 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,421 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,180 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,766 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,517 |
| American Foods | 0 | - | 3.66 | 39,322 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,132 |
| California Groups of Things | 0 | - | 4.25 | 45,333 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,402 |
| New York Groups of Things | 0 | - | 4.38 | 60,015 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,663 |
| American History Quotes #1 | 0 | - | 4.37 | 95,793 |
| American History Quotes #2 | 0 | - | 4.38 | 41,277 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,331 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,134 |
| US States Quiz | 0 | - | 5.00 | 16,771,191 |
| Movies by State | 0 | - | 4.27 | 40,486 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,656 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,670 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,847 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,713 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,658 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,312 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,725 |
| Celtic Nations | 0 | - | 4.69 | 46,868 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,598 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,093 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,666 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,305 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,263 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,858 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,733 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,433 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,071 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,553 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,168 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,311 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,196 |
| Monarchies of Europe | 0 | - | 4.90 | 97,662 |
| European Countries with One Border | 0 | - | 4.97 | 182,064 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,929 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,647 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,223 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,480 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,450 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,270 |
