| Australian Capitals | 0 | - | 4.92 | 62,655 |
| Australian States and Territories | 0 | - | 4.96 | 141,329 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,124 |
| Australia True or False | 0 | - | 4.87 | 56,666 |
| Austria... or Australia? | 0 | - | 4.68 | 104,091 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,286 |
| Australia Country Quiz | 0 | - | 4.43 | 69,424 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,359 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,107 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,166 |
| Animals of Australia | 0 | - | 4.52 | 42,229 |
| Flags of Oceania | 0 | - | 5.00 | 256,881 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,118 |
| Word Chain - Australia | 0 | - | 4.37 | 38,071 |
| Regions of New Zealand | 0 | - | 4.85 | 28,391 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,848 |
| Palau Country Quiz | 0 | - | 4.90 | 22,917 |
| AFL Teams | 0 | - | 4.40 | 40,122 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,362 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,435 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,637 |
| Famous Australians by Description | 0 | - | 4.23 | 27,780 |
| Australian Slang | 0 | - | 4.25 | 28,539 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,721 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,500 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,008 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,642 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,340 |
| Which African Country? | 0 | - | 4.58 | 36,296 |
| New Zealand Country Quiz | 0 | - | 4.69 | 75,722 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,857 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,942 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,219 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,941 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,165 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,124 |
| Which Asian Country? | 0 | - | 4.64 | 57,479 |
| Countries of Africa | 0 | - | 5.00 | 2,520,475 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,287 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,234 |
| African East Coast | 0 | - | 4.96 | 95,495 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,331 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,011 |
| Marshall Islands Country Quiz | 0 | - | 4.61 | 20,607 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,176 |
| Kiribati Country Quiz | 0 | - | 4.70 | 18,970 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,592 |
| Australia Map Quiz | 0 | - | 4.94 | 343,221 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,798 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 18,989 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,241 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,600 |
| Samoa Country Quiz | 0 | - | 4.80 | 20,710 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,644 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,948 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,026 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,442 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,870 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,157 |
| Official European Union Languages | 0 | - | 4.97 | 237,617 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,290 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,261 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,475 |
| The Only European Country ... | 0 | - | 4.91 | 215,042 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,262 |
| France True or False? | 0 | - | 4.43 | 39,857 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,530 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,663 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,038 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,892 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,795 |
| Asia Map Quiz | 0 | - | 4.99 | 910,695 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,160 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,994 |
| China Multiple Choice | 0 | - | 4.50 | 37,214 |
| States of India | 0 | - | 4.94 | 191,623 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,633 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,696 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,193 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,178 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,865 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,651 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,817 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,443 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,717 |
| The Only African Country ... | 0 | - | 4.99 | 128,685 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,914 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,175 |
| African Island Countries | 0 | - | 4.96 | 101,126 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,591 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,392 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,700 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,951 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,425 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,654 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,818 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,287 |
| Flags of North and South America | 0 | - | 4.99 | 369,994 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,391 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,499 |
| The Only American Country ... | 0 | - | 4.92 | 121,154 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,715 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,779 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,331 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,703 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,922 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,351 |
| North America Map Quiz | 0 | - | 4.98 | 246,354 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,267 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,454 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,193 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,802 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,527 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,151 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,425 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,679 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,686 |
| US States Quiz | 0 | - | 5.00 | 16,774,920 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,644 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,727 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,746 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,747 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,852 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,726 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,668 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,796 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,149 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,607 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,243 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,117 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,678 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,321 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,341 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,882 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,743 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,461 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,085 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,569 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,226 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,353 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,217 |
| Monarchies of Europe | 0 | - | 4.90 | 97,677 |
| European Countries with One Border | 0 | - | 4.97 | 182,084 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,952 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,667 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,259 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,500 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,832 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,928 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,472 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,347 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,297 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,711 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,510 |
| Slavic Countries | 0 | - | 4.96 | 111,218 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,212 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,517 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,720 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,119 |
| States of Germany | 0 | - | 4.96 | 151,018 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,336 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| Regions of Italy | 0 | - | 4.92 | 75,161 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,140 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,140 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,711 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,173 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,318 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,614 |
| Counties of England | 0 | - | 4.97 | 792,309 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,383 |
| Champions League Winners | 0 | - | 4.92 | 1,000,459 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,895 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,797 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,167 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,208 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,710 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,565 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,468 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,275 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,949 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,749 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,591 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,005 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,559 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,761 |
| Monarchies of Asia | 0 | - | 4.97 | 70,817 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,481 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,611 |
| Countries of the Middle East | 0 | - | 4.96 | 199,809 |
| Provinces of Turkey | 0 | - | 4.95 | 202,837 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,433 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,354 |
| Provinces of China | 0 | - | 4.97 | 202,104 |
| Japanese Prefectures | 0 | - | 4.98 | 135,663 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,070 |