| Australian Capitals | 0 | - | 4.92 | 62,771 |
| Australian States and Territories | 0 | - | 4.96 | 142,335 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,379 |
| Australia True or False | 0 | - | 4.87 | 56,982 |
| Austria... or Australia? | 0 | - | 4.68 | 104,540 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,748 |
| Australia Country Quiz | 0 | - | 4.43 | 69,692 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,159 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,781 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,018 |
| Animals of Australia | 0 | - | 4.52 | 42,383 |
| AFL Teams | 0 | - | 4.42 | 40,601 |
| Flags of Oceania | 0 | - | 5.00 | 260,846 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,461 |
| Word Chain - Australia | 0 | - | 4.38 | 38,180 |
| Regions of New Zealand | 0 | - | 4.84 | 28,609 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,032 |
| Palau Country Quiz | 0 | - | 4.90 | 23,066 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,490 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,879 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,559 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,780 |
| Famous Australians by Description | 0 | - | 4.23 | 28,022 |
| Australian Slang | 0 | - | 4.24 | 28,664 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,809 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,615 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,283 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,842 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,117 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,134 |
| Europe Map Quiz | 0 | - | 5.00 | 4,773,583 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,480 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,870 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,442 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,824 |
| Which Asian Country? | 0 | - | 4.64 | 57,644 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,693 |
| Which African Country? | 0 | - | 4.58 | 36,405 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,084 |
| Marshall Islands Country Quiz | 0 | - | 4.62 | 20,751 |
| Fiji Country Quiz | 0 | - | 4.78 | 24,333 |
| Kiribati Country Quiz | 0 | - | 4.70 | 19,087 |
| Federated States of Micronesia Country Quiz | 0 | - | 4.63 | 21,741 |
| Australia Map Quiz | 0 | - | 4.95 | 345,347 |
| Vanuatu Country Quiz | 0 | - | 4.59 | 22,967 |
| Solomon Islands Country Quiz | 0 | - | 4.56 | 19,116 |
| Nauru Country Quiz | 0 | - | 4.53 | 23,392 |
| Papua New Guinea Country Quiz | 0 | - | 4.60 | 30,751 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,739 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,437 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,945 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,760 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,737 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,377 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,230 |
| Official European Union Languages | 0 | - | 4.97 | 239,031 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,202 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,137 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,835 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,400 |
| The Only European Country ... | 0 | - | 4.91 | 217,616 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,725 |
| France True or False? | 0 | - | 4.44 | 39,995 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,733 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,932 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,224 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,011 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,978 |
| Asia Map Quiz | 0 | - | 4.99 | 920,352 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,404 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,162 |
| China Multiple Choice | 0 | - | 4.50 | 37,335 |
| Countries of Africa | 0 | - | 5.00 | 2,546,889 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,649 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,167 |
| African East Coast | 0 | - | 4.96 | 96,360 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,210 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,506 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,703 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,877 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,562 |
| Flags of North and South America | 0 | - | 4.99 | 374,676 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,742 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,446 |
| The Only American Country ... | 0 | - | 4.92 | 121,863 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,327 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,181 |
| South America Map Quiz | 0 | - | 5.00 | 1,552,244 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,654 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 903,113 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,558 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,284 |
| North America Map Quiz | 0 | - | 4.98 | 249,678 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,908 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,466 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,643 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,814 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,825 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,653 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,472 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,065 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,752 |
| US States Quiz | 0 | - | 5.00 | 16,928,560 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,756 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,840 |
| Canada Provinces and Territories | 0 | - | 5.00 | 344,015 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 642,060 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,340 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,257 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,990 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,440 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,839 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,052 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,518 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,015 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,513 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,098 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,583 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,936 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,424 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,814 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,680 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,442 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,594 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,646 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,053 |
| Monarchies of Europe | 0 | - | 4.90 | 98,415 |
| European Countries with One Border | 0 | - | 4.97 | 183,210 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,987 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,338 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,747 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,823 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,778 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,185 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,397 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,203 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,410 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,658 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,476 |
| Slavic Countries | 0 | - | 4.96 | 111,963 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,210 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,161 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,931 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,290 |
| States of Germany | 0 | - | 4.95 | 153,439 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,509 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,332 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,239 |
| Regions of Italy | 0 | - | 4.92 | 76,363 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,480 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,595 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,460 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,371 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,212 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,314 |
| Counties of England | 0 | - | 4.97 | 799,546 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,583 |
| Champions League Winners | 0 | - | 4.92 | 1,010,577 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,460 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,461 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,755 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,095 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,412 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,287 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,331 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,314 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,862 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,631 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,630 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,699 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,908 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,442 |
| Monarchies of Asia | 0 | - | 4.97 | 71,271 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,218 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,060 |
| Countries of the Middle East | 0 | - | 4.96 | 201,815 |
| Provinces of Turkey | 0 | - | 4.94 | 204,824 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,395 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,622 |
| Provinces of China | 0 | - | 4.97 | 205,951 |
| Japanese Prefectures | 0 | - | 4.98 | 137,874 |
| States of India | 0 | - | 4.95 | 194,411 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,192 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,750 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,426 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,459 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,844 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,549 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,482 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,917 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,955 |
| The Only African Country ... | 0 | - | 4.99 | 129,316 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,232 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,584 |
| African Island Countries | 0 | - | 4.96 | 101,935 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,999 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,117 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,452 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,458 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,615 |
