| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,287 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,946 |
| US States Quiz | 0 | - | 5.00 | 16,833,534 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,504 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,553 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,331 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,242 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,485 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,790 |
| States of Mexico | 0 | - | 4.95 | 175,520 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,606 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,085 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,312 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,559 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,356 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,525 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,259 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,031 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,339 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,211 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,870 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,160 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,185 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,473 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,500 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,225 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,939 |
| Pixelated United States Map | 0 | - | 4.87 | 94,082 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,643 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,172 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,213 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,703 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,976 |
| U.S. States By Population | 0 | - | 4.92 | 153,012 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,196 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,319 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,138 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,110 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,472 |
| US States with an Empty Map | 0 | - | 5.00 | 623,318 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,342 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,836 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,771 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,674 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,026 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,073 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,153 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,552 |
| Flags of North and South America | 0 | - | 4.99 | 371,968 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,601 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,108 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,341 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,739 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,390 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,913 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,453 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,648 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,438 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,485 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,408 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,808 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,835 |
| The Only American Country ... | 0 | - | 4.92 | 121,410 |
| Belize Country Quiz | 0 | - | 4.85 | 20,934 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,617 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,036 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,882 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,651 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,941 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,886 |
| States of Brazil | 0 | - | 4.97 | 87,671 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,674 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,316 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,643 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,197 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,034 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,062 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,227 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,580 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,485 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,039 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,260 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,397 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,866 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,210 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,560 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,331 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,491 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,635 |
| Canada Country Quiz | 0 | - | 4.54 | 132,324 |
| United States Country Quiz | 0 | - | 4.43 | 101,326 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,682 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,668 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,854 |
| Asia Map Quiz | 0 | - | 4.99 | 914,608 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,160 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,074 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,893 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,828 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,547 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,807 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,580 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,229 |
| Random U.S. City to State | 0 | - | 4.45 | 76,125 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,619 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,445 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,517 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,867 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,333 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,297 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,786 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,303 |
| New England States | 0 | - | 4.51 | 59,784 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,983 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,699 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,920 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,876 |
| U.S. States by Borders | 0 | - | 4.61 | 35,259 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,427 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,949 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,174 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,067 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,374 |
| Name a City - European Countries | 0 | - | 4.90 | 65,202 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,945 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,046 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,087 |
| Random Country to Capital | 0 | - | 4.98 | 918,415 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,853 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Boroughs of New York City | 0 | - | 4.47 | 84,496 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,563 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,410 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,883 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,104 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,813 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,622 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,189 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,851 |
| The Only European Country ... | 0 | - | 4.91 | 216,020 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,765 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,790 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,583 |
| Countries of Africa | 0 | - | 5.00 | 2,530,391 |
| Countries with Four Letters | 0 | - | 4.99 | 421,563 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,433 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,550 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,033 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,663 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,134 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,274 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,116 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,473 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,659 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,625 |
| Australia Map Quiz | 0 | - | 4.95 | 343,862 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,990 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,749 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,713 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,402 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,706 |
| African East Coast | 0 | - | 4.96 | 95,839 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,435 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,148 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,854 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,467 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,734 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,849 |
| O Canada Lyrics | 0 | - | 4.47 | 50,912 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,182 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,247 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,181 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,512 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,175 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,420 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,829 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Europe Capital to Country | 0 | - | 4.99 | 249,583 |
| Asia Capital to Country | 0 | - | 4.96 | 126,475 |
| Capital Cities Chain | 0 | - | 4.83 | 82,498 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,593 |
| European Capitals by Map | 0 | - | 4.99 | 138,596 |
| African Capitals by Map | 0 | - | 4.99 | 133,369 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,079 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,883 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,244 |
| European Coastal Capitals | 0 | - | 4.95 | 90,394 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,503 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,190 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,570 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,745 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,690 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
