| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,973 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,268 |
| US States Quiz | 0 | - | 5.00 | 16,680,356 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,085 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,584 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,303 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,531 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,991 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,684 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,713 |
| States of Mexico | 0 | - | 4.95 | 173,036 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,065 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,552 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,172 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,454 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,296 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,725 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,243 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,962 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,582 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,909 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,950 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,302 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,300 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,138 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,786 |
| Pixelated United States Map | 0 | - | 4.89 | 93,321 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,590 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,218 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,282 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,495 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,765 |
| U.S. States By Population | 0 | - | 4.92 | 152,258 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,259 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,776 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,712 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,788 |
| US States with an Empty Map | 0 | - | 5.00 | 618,144 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,256 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,045 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,714 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,942 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,436 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,824 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,280 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,392 |
| Flags of North and South America | 0 | - | 4.99 | 365,632 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,973 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,768 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,872 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,553 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,462 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,798 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,845 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,221 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,448 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,786 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,563 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,566 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,944 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,512 |
| The Only American Country ... | 0 | - | 4.92 | 120,666 |
| Belize Country Quiz | 0 | - | 4.85 | 20,782 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,370 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,968 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,606 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,007 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,318 |
| States of Brazil | 0 | - | 4.98 | 86,226 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,776 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,982 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,029 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,133 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,368 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,610 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,627 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,317 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,450 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,667 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,605 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,544 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,322 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,457 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,043 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,048 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,273 |
| Canada Country Quiz | 0 | - | 4.54 | 131,626 |
| United States Country Quiz | 0 | - | 4.43 | 100,476 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,437,888 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,492 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,868 |
| Asia Map Quiz | 0 | - | 4.99 | 905,877 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,066 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,556 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,605 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,576 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,872 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,900 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,150 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,591 |
| Random U.S. City to State | 0 | - | 4.45 | 75,201 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,118 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,929 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,106 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,257 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,683 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,924 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,305 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,500 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,052 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,182 |
| New England States | 0 | - | 4.51 | 59,698 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,418 |
| 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 | 82,259 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,596 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,638 |
| U.S. States by Borders | 0 | - | 4.63 | 35,046 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,213 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,088 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,964 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,756 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,265 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,426 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,884 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,349 |
| Random Country to Capital | 0 | - | 4.98 | 910,567 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,460 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,884 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,488 |
| Boroughs of New York City | 0 | - | 4.47 | 84,060 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,744 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,414 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,473 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,867 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,861 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,720 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,087 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,345 |
| The Only European Country ... | 0 | - | 4.91 | 213,517 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,844 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,333 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,157 |
| Countries of Africa | 0 | - | 5.00 | 2,504,578 |
| Countries with Four Letters | 0 | - | 4.99 | 418,079 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,128 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,322 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,829 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,880 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,849 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,756 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,724 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,320 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,799 |
| Australia Map Quiz | 0 | - | 4.94 | 342,241 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,075 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,549 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,326 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,968 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,219 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,350 |
| African East Coast | 0 | - | 4.96 | 94,935 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,259 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,010 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,755 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,380 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,653 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,621 |
| O Canada Lyrics | 0 | - | 4.47 | 50,766 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,642 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,035 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,257 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,717 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,249 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,658 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,506 |
| Europe Capital to Country | 0 | - | 4.99 | 247,298 |
| Asia Capital to Country | 0 | - | 4.96 | 125,630 |
| Capital Cities Chain | 0 | - | 4.84 | 81,809 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,303 |
| European Capitals by Map | 0 | - | 4.99 | 135,958 |
| African Capitals by Map | 0 | - | 4.99 | 132,060 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,749 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,977 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,076 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,525 |
| European Coastal Capitals | 0 | - | 4.95 | 89,652 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,147 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,424 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,537 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,380 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,881 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,157 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,284 |
| Country Chain | 0 | - | 4.96 | 215,575 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,645 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,053 |
