| Random U.S. States on a Map | 0 | - | 4.96 | 625,565 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,157 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,340 |
| Vietnam War Countries | 0 | - | 4.82 | 94,118 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,317 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,194 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,973 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,177 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,712 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,892 |
| The American Revolution | 0 | - | 4.52 | 54,224 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,401 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,368 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,370 |
| US States Quiz | 0 | - | 5.00 | 16,843,901 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,388 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,467 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,941 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,716 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,678 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,582 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,618 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,077 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,471 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,376 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,811 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 97,089 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,507 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,428 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,139 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,450 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,180 |
| Arms Exports - United States | 0 | - | 4.75 | 62,313 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,652 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,835 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,332 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,404 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,034 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,793 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,833 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,462 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,053 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| New York City A-Z | 0 | - | 4.18 | 32,286 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,248 |
| Hindu Countries | 0 | - | 4.86 | 50,050 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,590 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,564 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,201 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,554 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,177 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,224 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,136 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,440 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,428 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,574 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,742 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,477 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,646 |
| Europe Map Quiz | 0 | - | 5.00 | 4,757,648 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,637 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,124 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,368 |
| Pixelated United States Map | 0 | - | 4.87 | 94,120 |
| US States with an Empty Map | 0 | - | 5.00 | 623,628 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,693 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,793 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,228 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,251 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,825 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,773 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,051 |
| U.S. States By Population | 0 | - | 4.92 | 153,209 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,264 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,356 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,446 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,420 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,990 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,178 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,132 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,506 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,830 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,611 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,096 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,445 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,139 |
| California A-Z | 0 | - | 4.49 | 28,779 |
| U.S. Civil War Decoder | 0 | - | 4.14 | 25,256 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,654 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,876 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,889 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,787 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,544 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,899 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,036 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,171 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,163 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,009 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,697 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,230 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,105 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,370 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,666 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,746 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,264 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,217 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,110 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,610 |
| Asia Map Quiz | 0 | - | 4.99 | 915,237 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,039 |
| U.S. State Flags | 0 | - | 4.89 | 169,953 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,294 |
| Hawaiian Islands | 0 | - | 4.83 | 42,665 |
| Rivers of the United States | 0 | - | 4.93 | 66,097 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,698 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,509 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,284 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,550 |
| U.S. Senators by State | 0 | - | 4.45 | 39,919 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,540 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,470 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,838 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,855 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,847 |
| The John F. Kennedy Presidency | 0 | - | 4.47 | 43,690 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,224 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,089 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,843 |
| Cities in European History #1 | 0 | - | 4.63 | 133,860 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,399 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,396 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,565 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,718 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,206 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,919 |
| US States and State Capitals | 0 | - | 4.99 | 161,570 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,507 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,687 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,556 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,849 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,685 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,952 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,931 |
| The Only European Country ... | 0 | - | 4.91 | 216,176 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,891 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,872 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,599 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,646 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 169,821 |
| Random African Countries on a Map | 0 | - | 4.99 | 295,454 |
| Random European Countries on a Map | 0 | - | 4.97 | 283,185 |
| Countries of Africa | 0 | - | 5.00 | 2,532,025 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,260 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 317,719 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,613 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,456 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,762 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,060 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,548 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,760 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,699 |
| Australia Map Quiz | 0 | - | 4.95 | 344,057 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,126 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,864 |
| Flags of North and South America | 0 | - | 4.99 | 372,288 |
| Least Visited U.S. States by JetPunkers | 0 | - | 4.44 | 70,588 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,690 |
| Counties of England | 0 | - | 4.97 | 795,341 |
| African East Coast | 0 | - | 4.96 | 95,896 |
| States in a Tank of the U.S. Map | 0 | - | 4.47 | 31,204 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,040 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,798 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,535,177 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,450 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,324 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,065 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,992 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 42,042 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,324 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,086 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,487 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,607 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,271 |
| The Iraq War | 0 | - | 4.47 | 15,641 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,335 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,449 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,558 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,620 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,111 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,695 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,372 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,965 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,828 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,302 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,145 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,108 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,588 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,190 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,469 |