| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,599,958 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 83,669 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 45,987 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 133,589 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.82 | 52,321 |
| Most-Visited U.S. Cities | 0 | - | 4.86 | 81,602 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 69,021 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,015 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.56 | 34,842 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 181,547 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 158,476 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 97,588 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 66,298 |
| US States Quiz | 0 | - | 5.00 | 15,642,439 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 90,977 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 82,843 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.16 | 124,689 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 57,256 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 25,594 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.48 | 29,651 |
| US States with an Empty Map | 0 | - | 5.00 | 585,051 |
| South America Capitals Quiz | 0 | - | 5.00 | 451,007 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,101 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,546 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,049 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 35,659 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 85,997 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 40,857 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 122,464 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 91,945 |
| 1M Cities by Proximity - United States | 0 | - | 4.53 | 143,473 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 38,310 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 241,459 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 194,970 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 353,305 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 76,692 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 134,139 |
| Random U.S. City to State | 0 | - | 4.44 | 69,631 |
| Random State Capital to U.S. State | 0 | - | 4.82 | 80,845 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,064 |
| Africa Capitals Quiz | 0 | - | 4.99 | 680,588 |
| Asia Capitals Quiz | 0 | - | 4.97 | 640,383 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 122,224 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 79,695 |
| Random European Capital to Country | 0 | - | 4.98 | 179,998 |
| Random European Country to Capital | 0 | - | 4.93 | 141,262 |
| Random Asian Country to Capital | 0 | - | 4.91 | 90,067 |
| Random Asian Capital to Country | 0 | - | 4.97 | 94,678 |
| Random African Capital to Country | 0 | - | 4.97 | 84,769 |
| Random African Country to Capital | 0 | - | 4.94 | 65,851 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,537 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.23 | 17,667 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 108,298 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 103,213 |
| 10 Southernmost U.S. States | 0 | - | 4.87 | 105,536 |
| U.S. States with Short Names | 0 | - | 4.89 | 138,717 |
| U.S. States that Start with M | 0 | - | 4.92 | 176,465 |
| U.S. States By Population | 0 | - | 4.90 | 135,906 |
| U.S. States that Start with N | 0 | - | 4.94 | 162,824 |
| U.S. States with Longest Names | 0 | - | 4.87 | 39,745 |
| U.S. States with a Unique First Letter | 0 | - | 4.95 | 82,549 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 60,893 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 60,138 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.47 | 66,717 |
| Important Places in U.S. History | 0 | - | 4.25 | 36,904 |
| Name a City - European Countries | 0 | - | 4.93 | 57,977 |
| Cities on Route 66 on a Map | 0 | - | 4.49 | 31,027 |
| Random U.S. State Capitals on a Map | 0 | - | 4.91 | 97,050 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.34 | 20,626 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 17,907 |
| Boroughs of New York City | 0 | - | 4.45 | 80,501 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 95,268 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 77,650 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 67,503 |
| U.S. Cities Chain | 0 | - | 4.20 | 32,191 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 101,510 |
| Most-Visited Cities in Europe | 0 | - | 4.88 | 64,841 |
| ALL California Cities | 0 | - | 4.34 | 41,061 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 11,965 |
| Europe Capital to Country | 0 | - | 4.99 | 232,595 |
| Asia Capital to Country | 0 | - | 4.95 | 111,479 |
| EU Capitals with No Hints | 0 | - | 4.96 | 134,130 |
| European Capitals by Map | 0 | - | 4.99 | 108,511 |
| African Capitals by Map | 0 | - | 4.99 | 121,029 |
| Asian Capitals by Map | 0 | - | 4.98 | 53,470 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 84,799 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 77,792 |
| European Coastal Capitals | 0 | - | 4.95 | 83,201 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 49,410 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 246,679 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 206,810 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 78,700 |
| Top 10 Coldest U.S. States | 0 | - | 4.92 | 106,289 |
| Top 10 Hottest U.S. States | 0 | - | 4.85 | 116,644 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.84 | 58,912 |
| Official Cities in the UK | 0 | - | 4.89 | 256,400 |
| World Capitals Quiz | 0 | - | 5.00 | 4,749,893 |
| North America Capitals Quiz | 0 | - | 4.99 | 199,716 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 56,522 |
| Top 10 Most Remote European Capitals | 0 | - | 4.83 | 88,616 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 111,501 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 82,095 |
| European Capitals Furthest from the Sea | 0 | - | 4.90 | 69,904 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 55,840 |
| European Capitals Ending in N | 0 | - | 4.92 | 77,228 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 30,119 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 62,121 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 39,476 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 123,947 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 25,489 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.89 | 20,824 |
| Name a Valid European Capital | 0 | - | 4.95 | 139,011 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 64,843 |
| Most Guessed US State Capitals | 0 | - | 4.36 | 23,890 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 137,297 |
| Total United States Immigration by Country | 0 | - | 4.88 | 102,985 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 199,616 |
| Mexico States Map Quiz | 0 | - | 4.82 | 96,692 |
| States of Mexico | 0 | - | 4.93 | 154,988 |
| U.S. States with the Longest International Borders | 0 | - | 4.77 | 44,159 |
| Longest U.S. State Borders | 0 | - | 4.61 | 36,665 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 62,610 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 55,159 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.75 | 53,934 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 50,756 |
| Capitals of the Stans | 0 | - | 4.95 | 23,748 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 150,912 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.97 | 40,677 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 74,218 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 33,831 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 106,559 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 56,951 |
| South American Cities on the Map | 0 | - | 4.55 | 34,165 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 17,859 |
| Word Scramble - U.S. Cities | 0 | - | 4.08 | 19,040 |
| U.S. City Name Etymologies | 0 | - | 4.18 | 21,024 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 28,130 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,469,938 |
| Most Guessed European Capitals | 0 | - | 4.88 | 98,890 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.56 | 33,188 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 45,371 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 100,361 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 84,403 |
| Countries Closest to Canada | 0 | - | 4.90 | 190,654 |
| Pixelated United States Map | 0 | - | 4.91 | 87,130 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,875 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 48,498 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 35,496 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 72,862 |
| Name a Valid U.S. State #3 | 0 | - | 4.77 | 46,203 |
| U.S. State Superlatives #1 | 0 | - | 4.46 | 76,899 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 38,486 |
| Global Cities on a World Map | 0 | - | 4.93 | 96,383 |
| Northernmost Capital Cities | 0 | - | 4.98 | 100,819 |
| Most Remote Capital Cities | 0 | - | 4.90 | 47,787 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 38,958 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 98,789 |
| Same Letter Country and Capital | 0 | - | 4.99 | 136,335 |
| Countries by Capital City | 0 | - | 5.00 | 57,098 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 70,609 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 109,111 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 39,485 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 77,972 |
| Moved Capital Cities | 0 | - | 4.95 | 69,904 |
| Random African Capitals on a Map | 0 | - | 4.95 | 51,405 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 47,953 |
| Random European Capitals on a Map | 0 | - | 4.98 | 127,557 |
| Which City in Europe? | 0 | - | 4.83 | 102,528 |
| Neighborhoods of New York City | 0 | - | 4.35 | 28,802 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 139,031 |
| Countries that Beat the United States | 0 | - | 4.92 | 155,986 |
| Regions of US States | 0 | - | 4.16 | 32,064 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 300,471 |
| 10 Longest Rivers in the United States | 0 | - | 4.83 | 36,695 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,026 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,122 |
| Which U.S. State - Multiple Choice | 0 | - | 4.47 | 19,623 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.40 | 35,478 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 41,561 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,653 |
| Random Capital to Country | 0 | - | 4.99 | 2,470,411 |
| Random Country to Capital | 0 | - | 4.98 | 853,404 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 41,518 |
| Washington D.C. Trivia | 0 | - | 4.45 | 32,219 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 42,809 |
| U.S. States with the Fewest Borders | 0 | - | 4.75 | 109,424 |
| U.S. States with the Most Borders | 0 | - | 4.55 | 61,669 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 66,880 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 32,435 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 31,793 |
| New England States | 0 | - | 4.52 | 53,101 |
| US States by Land Area | 0 | - | 4.62 | 50,342 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 37,137 |
| Add a Letter - Make a U.S. State | 0 | - | 4.73 | 79,333 |
| Events by U.S. State #1 | 0 | - | 4.42 | 22,316 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 53,268 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.77 | 38,889 |
| U.S. States by Borders | 0 | - | 4.59 | 33,576 |
| 10 Easternmost U.S. States | 0 | - | 4.55 | 54,541 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 84,870 |