| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,701 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,922 |
| States of Brazil | 0 | - | 4.97 | 87,713 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,650 |
| Flags of North and South America | 0 | - | 4.99 | 372,164 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,464 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,527 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,971 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,318 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,560 |
| States of Mexico | 0 | - | 4.95 | 175,634 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,555 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,439 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,246 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,404 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,425 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,675 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,580 |
| Chile Country Quiz | 0 | - | 4.75 | 40,005 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,825 |
| Peru Country Quiz | 0 | - | 4.54 | 48,594 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,607 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,316 |
| Which South American Country? | 0 | - | 4.69 | 51,907 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,625 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,453 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,722 |
| South American Physical Geography | 0 | - | 4.58 | 18,332 |
| Belize Country Quiz | 0 | - | 4.85 | 20,941 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,752 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,694 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,779 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,579 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,776 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,564 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,245 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,235 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,796 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,614 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,298 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,702 |
| Flags of Oceania | 0 | - | 5.00 | 258,348 |
| The Only American Country ... | 0 | - | 4.92 | 121,440 |
| South American Cities on the Map | 0 | - | 4.53 | 35,395 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,468 |
| US States Quiz | 0 | - | 5.00 | 16,839,649 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,673 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,989 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,550 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,099 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,034 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,145 |
| Name a Valid African Country | 0 | - | 4.98 | 153,831 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,997 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,729 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,353 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,796 |
| Central American Countries | 0 | - | 4.98 | 155,937 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,996 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,364 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,361 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,256 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,817 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,114 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,328 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,734 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,417 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,771 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,186 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,410 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,723 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,778 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,608 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,820 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,341 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,603 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,247 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,668 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,141 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,442 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,037 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,560 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,121 |
| Pixelated United States Map | 0 | - | 4.87 | 94,107 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,397 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,554 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,185 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,576 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,673 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,206 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,237 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,749 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,012 |
| U.S. States By Population | 0 | - | 4.92 | 153,043 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,236 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,343 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,431 |
| US States with an Empty Map | 0 | - | 5.00 | 623,515 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,168 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,121 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,494 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,621 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,353 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,271 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,067 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,781 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,948 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,846 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,494 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,729 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,438 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,710 |
| California Groups of Things | 0 | - | 4.25 | 45,437 |
| New York Groups of Things | 0 | - | 4.37 | 63,259 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,418 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,506 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,516 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,445 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,843 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,841 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,329 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,968 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,944 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,946 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,113 |
| South America A-Z | 0 | - | 4.13 | 10,896 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,394 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,848 |
| Panama Country Quiz | 0 | - | 4.61 | 25,760 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,528 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,073 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,402 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,756 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,909 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,730 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,136 |
| Names of Generations | 0 | - | 4.10 | 44,386 |
| Washington State by Picture | 0 | - | 4.26 | 7,724 |
| Movies by State | 0 | - | 4.27 | 40,528 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,068 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,668 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,946 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,222 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,884 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,173 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,197 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,464 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,352 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,158 |
| German Groups of Things | 0 | - | 4.46 | 38,450 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,100 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,480 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,511 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,230 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,762 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,615 |
| Empires by Maps | 0 | - | 4.98 | 120,078 |
| All Country Flags of the World | 0 | - | 5.00 | 3,651,234 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,255 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,923 |
| Australian Capitals | 0 | - | 4.92 | 62,702 |
| Word Chain - Australia | 0 | - | 4.38 | 38,124 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,771 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,721 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,299 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,563 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,161 |
| United States Country Quiz | 0 | - | 4.43 | 101,363 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,833 |
| Canada Country Quiz | 0 | - | 4.54 | 132,354 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,091 |
| Canada A-Z | 0 | - | 4.73 | 32,786 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,025 |
| Official European Union Languages | 0 | - | 4.97 | 238,209 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,660 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,637 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,026 |
| Asia Map Quiz | 0 | - | 4.99 | 914,987 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,907 |
| Flags of the Middle East | 0 | - | 4.69 | 62,570 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,211 |
| Countries by Road Signs | 0 | - | 4.98 | 53,669 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,466 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,030 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,838 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,726 |
| Countries that Beat India | 0 | - | 4.42 | 62,888 |
| Countries of Africa | 0 | - | 5.00 | 2,531,398 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,659 |
| African East Coast | 0 | - | 4.96 | 95,868 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,673 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,292 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,294 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,040 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,510 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,573 |
| Australia Map Quiz | 0 | - | 4.95 | 343,919 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,097 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,334 |
