| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,268 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,909 |
| US States Quiz | 0 | - | 5.00 | 16,827,477 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,441 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,506 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,879 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,294 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,132 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,436 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,767 |
| States of Mexico | 0 | - | 4.95 | 175,441 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,540 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,960 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,306 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,556 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,317 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,492 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,248 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,996 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,263 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,861 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,150 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,176 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,469 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,492 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,220 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,932 |
| Pixelated United States Map | 0 | - | 4.87 | 94,055 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,621 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,141 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,181 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,673 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,938 |
| U.S. States By Population | 0 | - | 4.92 | 152,983 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,169 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,305 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,110 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,094 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,444 |
| US States with an Empty Map | 0 | - | 5.00 | 623,147 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,300 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,738 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,728 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,643 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,006 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,063 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,116 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,505 |
| Flags of North and South America | 0 | - | 4.99 | 371,761 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,584 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,094 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,334 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,684 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,353 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,855 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,300 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,581 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,383 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,459 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,376 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,817 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,784 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| The Only American Country ... | 0 | - | 4.92 | 121,379 |
| Belize Country Quiz | 0 | - | 4.85 | 20,928 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,604 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,032 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,741 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,520 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,879 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,834 |
| States of Brazil | 0 | - | 4.97 | 87,561 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,618 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,244 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,618 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,169 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,992 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,026 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,206 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,539 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,428 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,014 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,249 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,376 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,856 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,188 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,550 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,323 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,338 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,616 |
| Canada Country Quiz | 0 | - | 4.54 | 132,310 |
| United States Country Quiz | 0 | - | 4.43 | 101,287 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,365 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,388 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,384 |
| Asia Map Quiz | 0 | - | 4.99 | 914,242 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,157 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 124,045 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,882 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,814 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,427 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,326 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,165 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,207 |
| Random U.S. City to State | 0 | - | 4.45 | 76,041 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,602 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,427 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,502 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,815 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,315 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,270 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,764 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,291 |
| New England States | 0 | - | 4.51 | 59,780 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,742 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,979 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,680 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,905 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,860 |
| U.S. States by Borders | 0 | - | 4.61 | 35,254 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,421 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,933 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,170 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,061 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| Name a City - European Countries | 0 | - | 4.90 | 65,159 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,608 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,821 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,573 |
| Random Country to Capital | 0 | - | 4.98 | 917,886 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,006 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,742 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| Boroughs of New York City | 0 | - | 4.47 | 84,469 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,481 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,097,779 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,788 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,012 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,710 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,573 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,127 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,789 |
| The Only European Country ... | 0 | - | 4.91 | 215,925 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,687 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,733 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,568 |
| Countries of Africa | 0 | - | 5.00 | 2,529,266 |
| Countries with Four Letters | 0 | - | 4.99 | 421,412 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,411 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,535 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,025 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,654 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,125 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,690 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,484 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,437 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,603 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,593 |
| Australia Map Quiz | 0 | - | 4.95 | 343,785 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,890 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,741 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,701 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,385 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,285 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,692 |
| African East Coast | 0 | - | 4.96 | 95,788 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,431 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,142 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,850 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,463 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,731 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,842 |
| O Canada Lyrics | 0 | - | 4.47 | 50,912 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,115 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,185 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,531 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,237 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,043 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,373 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,781 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,382 |
| Europe Capital to Country | 0 | - | 4.99 | 249,500 |
| Asia Capital to Country | 0 | - | 4.96 | 126,428 |
| Capital Cities Chain | 0 | - | 4.83 | 82,452 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,531 |
| European Capitals by Map | 0 | - | 4.99 | 138,481 |
| African Capitals by Map | 0 | - | 4.99 | 133,273 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,324 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,041 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,853 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,206 |
| European Coastal Capitals | 0 | - | 4.95 | 90,355 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,485 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,060 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,493 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,722 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,640 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,384 |
