| Mexico States Map Quiz | 0 | - | 4.84 | 103,661 |
| States of Mexico | 0 | - | 4.95 | 172,998 |
| US States Quiz | 0 | - | 5.00 | 16,676,504 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,789 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,563 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,287 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,497 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,907 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,312 |
| States of Brazil | 0 | - | 4.98 | 86,177 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,750 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,033 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,918 |
| Belize Country Quiz | 0 | - | 4.85 | 20,778 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,300 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,493 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,261 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,220 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,264 |
| Pixelated United States Map | 0 | - | 4.89 | 93,271 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,191 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,252 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,729 |
| U.S. States By Population | 0 | - | 4.92 | 152,241 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,697 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| US States with an Empty Map | 0 | - | 5.00 | 618,039 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,963 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,674 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,254 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,880 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,247 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,173 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,931 |
| Flags of North and South America | 0 | - | 4.99 | 365,310 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,951 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,732 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,459 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,923 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| European Countries with One Border | 0 | - | 4.97 | 181,439 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,957 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,125 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,318 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,827 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,866 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,875 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,956 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Central American Countries | 0 | - | 4.98 | 154,901 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,992 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,410 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,031 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,353 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,593 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,608 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,286 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| South American Cities on the Map | 0 | - | 4.57 | 35,223 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,583 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,037 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,036 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,596 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,629 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,868 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,712 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,178 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,769 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,475 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,008 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,120 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,638 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,278 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,325 |
| Canada Country Quiz | 0 | - | 4.54 | 131,618 |
| United States Country Quiz | 0 | - | 4.43 | 100,453 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,912 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,353 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,535 |
| Asia Map Quiz | 0 | - | 4.99 | 905,597 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,059 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,549 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,589 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,569 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,944 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,105 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,648 |
| Brazil Country Quiz | 0 | - | 4.52 | 100,992 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,028 |
| Peru Country Quiz | 0 | - | 4.54 | 48,240 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,633 |
| Chile Country Quiz | 0 | - | 4.75 | 39,684 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,335 |
| Panama Country Quiz | 0 | - | 4.61 | 25,577 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,192 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,185 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,655 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,350 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,169 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,449 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,490 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,047 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,177 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,413 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,251 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,588 |
| U.S. States by Borders | 0 | - | 4.63 | 35,041 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,961 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,281 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,726 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,698 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,696 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,316 |
| The Only European Country ... | 0 | - | 4.91 | 213,447 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,807 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,299 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,117 |
| Countries of Africa | 0 | - | 5.00 | 2,503,961 |
| Which South American Country? | 0 | - | 4.69 | 51,690 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,490 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,400 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,818 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 21,994 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,411 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,426 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,715 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,274 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,766 |
| Australia Map Quiz | 0 | - | 4.94 | 342,201 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,039 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,343 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,753 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,379 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,650 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,618 |
| O Canada Lyrics | 0 | - | 4.47 | 50,764 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,818 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,377 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,655 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,145 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,739 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,273 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,459 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,232 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| Europe Capital to Country | 0 | - | 4.99 | 247,256 |
| Asia Capital to Country | 0 | - | 4.96 | 125,602 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,262 |
| European Capitals by Map | 0 | - | 4.99 | 135,892 |
