| Australian Capitals | 0 | - | 4.92 | 62,885 |
| Australian States and Territories | 0 | - | 4.96 | 143,126 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,559 |
| Australia True or False | 0 | - | 4.87 | 57,241 |
| Austria... or Australia? | 0 | - | 4.67 | 104,874 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,145 |
| Australia Country Quiz | 0 | - | 4.43 | 69,905 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,788 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,232 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,645 |
| Animals of Australia | 0 | - | 4.53 | 42,537 |
| AFL Teams | 0 | - | 4.42 | 41,030 |
| Flags of Oceania | 0 | - | 5.00 | 263,697 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,830 |
| Word Chain - Australia | 0 | - | 4.38 | 38,270 |
| Regions of New Zealand | 0 | - | 4.84 | 28,814 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,181 |
| Palau Country Quiz | 0 | - | 4.89 | 23,192 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,577 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,992 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,657 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,879 |
| Famous Australians by Description | 0 | - | 4.23 | 28,201 |
| Australian Slang | 0 | - | 4.24 | 28,771 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,877 |
| Iran... or Iraq? | 0 | - | 4.31 | 33,698 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,490 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,248 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,419 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,339 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 32,979 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,092 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,651 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,588 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,663 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 281,128 |
| Which Asian Country? | 0 | - | 4.64 | 57,809 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,753 |
| Which African Country? | 0 | - | 4.58 | 36,497 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,156 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,833 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,454 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,170 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,831 |
| Australia Map Quiz | 0 | - | 4.95 | 346,615 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 23,060 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,195 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,492 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,813 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,299 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,479 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,363 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,887 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,689 |
| Official European Union Languages | 0 | - | 4.97 | 240,457 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,878 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,599 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,562 |
| The Only European Country ... | 0 | - | 4.91 | 219,757 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,920 |
| France True or False? | 0 | - | 4.44 | 40,120 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,908 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,120 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,364 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,115 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,706 |
| Asia Map Quiz | 0 | - | 4.99 | 927,194 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,239 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,270 |
| China Multiple Choice | 0 | - | 4.50 | 37,445 |
| Countries of Africa | 0 | - | 5.00 | 2,566,355 |
| Africa Map Quiz | 0 | - | 5.00 | 2,131,395 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,316 |
| African East Coast | 0 | - | 4.96 | 96,964 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,863 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,748 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,741 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,852 |
| Flags of North and South America | 0 | - | 4.99 | 378,469 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,027 |
| The Only American Country ... | 0 | - | 4.92 | 122,401 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,814 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,929 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,984 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,796 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,619 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,969 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 59,023 |
| North America Map Quiz | 0 | - | 4.98 | 253,004 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,353 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,397 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,990 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 241,035 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,048 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,110 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,315 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,353 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,813 |
| US States Quiz | 0 | - | 5.00 | 17,031,496 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,844 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,951 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,369 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,638 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,695 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,650 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,441 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,251 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,724 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,850 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,591 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,030 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,425 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,796 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,948 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,962 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,172 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,932 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,335 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,756 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,719 |
| Monarchies of Europe | 0 | - | 4.90 | 99,085 |
| European Countries with One Border | 0 | - | 4.97 | 184,102 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,821 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,291 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,835 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,645 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 86,245 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 66,089 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,078 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,783 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,232 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,955 |
| Slavic Countries | 0 | - | 4.96 | 112,566 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,028 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,625 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,870 |
| States of Germany Map Quiz | 0 | - | 4.92 | 134,044 |
| States of Germany | 0 | - | 4.95 | 155,042 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,773 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,855 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,531 |
| Regions of Italy | 0 | - | 4.92 | 77,315 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,961 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,676 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,954 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,963 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,693 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,358 |
| Counties of England | 0 | - | 4.97 | 804,715 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,023 |
| Champions League Winners | 0 | - | 4.92 | 1,018,592 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,402 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,982 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,177 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,790 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,372 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,136 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,089 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,551 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,358 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,949 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,277 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,979 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,967 |
| Monarchies of Asia | 0 | - | 4.97 | 71,645 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.92 | 50,855 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,386 |
| Countries of the Middle East | 0 | - | 4.96 | 203,375 |
| Provinces of Turkey | 0 | - | 4.95 | 206,423 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 62,136 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,830 |
| Provinces of China | 0 | - | 4.97 | 209,136 |
| Japanese Prefectures | 0 | - | 4.98 | 139,527 |
| States of India | 0 | - | 4.94 | 196,704 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,599 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,608 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,637 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,261 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,125 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,772 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,862 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,586 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,056 |
| The Only African Country ... | 0 | - | 4.99 | 129,851 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,480 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,567 |
| African Island Countries | 0 | - | 4.96 | 102,794 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,974 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,017 |
| Countries Closest to Africa | 0 | - | 4.96 | 158,054 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,836 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 60,953 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,575 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,542 |