| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,514,817 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,108 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 38,763 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,211 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 48,830 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,071 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,856 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 36,982 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,145 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,380 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,304 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,513 |
| US States Quiz | 0 | - | 5.00 | 14,562,904 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,072 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,977 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.18 | 119,633 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.06 | 55,909 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.55 | 30,146 |
| U.S State Capitals on the Sea | 0 | - | 4.52 | 24,967 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.49 | 29,004 |
| US States with an Empty Map | 0 | - | 5.00 | 548,302 |
| South America Capitals Quiz | 0 | - | 5.00 | 415,175 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,575 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 24,985 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,114 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,233 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 39,835 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,264 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,431 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 114,823 |
| 1M Cities by Proximity - United States | 0 | - | 4.49 | 135,831 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,236 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 232,133 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 182,661 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 338,070 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,269 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 129,890 |
| Random U.S. City to State | 0 | - | 4.43 | 65,025 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 73,448 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,155 |
| Africa Capitals Quiz | 0 | - | 4.99 | 626,920 |
| Asia Capitals Quiz | 0 | - | 4.98 | 587,239 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,628 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,186 |
| Random European Capital to Country | 0 | - | 4.97 | 151,417 |
| Random European Country to Capital | 0 | - | 4.92 | 133,953 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,003 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,336 |
| Random African Capital to Country | 0 | - | 4.97 | 78,534 |
| Random African Country to Capital | 0 | - | 4.94 | 61,333 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 30,824 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.23 | 13,200 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 99,321 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 95,006 |
| 10 Southernmost U.S. States | 0 | - | 4.84 | 98,013 |
| U.S. States with Short Names | 0 | - | 4.87 | 128,207 |
| U.S. States that Start with M | 0 | - | 4.91 | 149,061 |
| U.S. States By Population | 0 | - | 4.90 | 129,163 |
| U.S. States that Start with N | 0 | - | 4.95 | 154,206 |
| U.S. States with Longest Names | 0 | - | 4.84 | 35,443 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 57,826 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 54,720 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.45 | 64,522 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,504 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,365 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 81,198 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.37 | 19,581 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,554 |
| Boroughs of New York City | 0 | - | 4.44 | 76,347 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.89 | 88,318 |
| U.S. States with the Most Immigrants | 0 | - | 4.86 | 72,603 |
| U.S. States with the Highest Population Density | 0 | - | 4.46 | 66,313 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,560 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,526 |
| ALL California Cities | 0 | - | 4.33 | 38,794 |
| Europe Capital to Country | 0 | - | 4.99 | 218,004 |
| Asia Capital to Country | 0 | - | 4.96 | 104,969 |
| EU Capitals with No Hints | 0 | - | 4.95 | 123,031 |
| European Capitals by Map | 0 | - | 4.99 | 90,632 |
| African Capitals by Map | 0 | - | 4.99 | 108,867 |
| Asian Capitals by Map | 0 | - | 4.98 | 45,908 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 77,976 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,174 |
| European Coastal Capitals | 0 | - | 4.95 | 76,434 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,196 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 224,944 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 191,620 |
| Capitals of Mediterranean Countries | 0 | - | 4.97 | 75,695 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,258 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 99,798 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,875 |
| Official Cities in the UK | 0 | - | 4.87 | 229,938 |
| World Capitals Quiz | 0 | - | 5.00 | 4,456,175 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,001 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,506 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,592 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,185 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,338 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,396 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,430 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,600 |
| Cities Founded by the French in North America | 0 | - | 4.51 | 38,414 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 90,878 |
| Name a Valid European Capital | 0 | - | 4.92 | 102,999 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,297 |
| Most Guessed US State Capitals | 0 | - | 4.35 | 23,142 |
| US States and State Capitals Quiz | 0 | - | 5.00 | 116,085 |
| Total United States Immigration by Country | 0 | - | 4.89 | 95,830 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.95 | 181,855 |
| Mexico States Map Quiz | 0 | - | 4.85 | 89,375 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.83 | 54,025 |
| States of Mexico | 0 | - | 4.94 | 138,255 |
| Longest U.S. State Borders | 0 | - | 4.62 | 33,744 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.66 | 59,311 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.74 | 53,763 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.76 | 52,672 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 48,955 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,497 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,831 |
| 500 Biggest US Cities | 0 | - | 4.85 | 96,183 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,322 |
| South American Cities on the Map | 0 | - | 4.55 | 32,929 |
| California Cities starting with SAN or SANTA | 0 | - | 4.24 | 10,931 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,326 |
| U.S. City Name Etymologies | 0 | - | 4.17 | 20,521 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,578 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,702 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,368,059 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,920 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,030 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 43,824 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 91,893 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 77,492 |
| Countries Closest to Canada | 0 | - | 4.90 | 183,175 |
| Pixelated United States Map | 0 | - | 4.91 | 81,236 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.44 | 47,568 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 33,738 |
| Name a Valid U.S. State #2 | 0 | - | 4.64 | 68,329 |
| U.S. State Superlatives #1 | 0 | - | 4.45 | 74,980 |
| U.S. State Superlatives #2 | 0 | - | 4.51 | 37,062 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,609 |
| Northernmost Capital Cities | 0 | - | 4.98 | 92,956 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,030 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,653 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,603 |
| Same Letter Country and Capital | 0 | - | 4.99 | 125,837 |
| Countries by Capital City | 0 | - | 4.99 | 48,152 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,226 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 92,975 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,120 |
| Moved Capital Cities | 0 | - | 4.94 | 51,875 |
| Random African Capitals on a Map | 0 | - | 4.95 | 47,674 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,623 |
| Random European Capitals on a Map | 0 | - | 4.97 | 105,953 |
| Which City in Europe? | 0 | - | 4.85 | 96,749 |
| Neighborhoods of New York City | 0 | - | 4.36 | 19,013 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,277 |
| Countries that Beat the United States | 0 | - | 4.92 | 143,564 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 269,467 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,638 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 19,714 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 27,364 |
| Which U.S. State - Multiple Choice | 0 | - | 4.45 | 18,846 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,332 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.38 | 34,706 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,849 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,796 |
| Name a City - U.S. States | 0 | - | 4.41 | 24,281 |
| Random Capital to Country | 0 | - | 4.99 | 2,341,537 |
| Random Country to Capital | 0 | - | 4.98 | 794,245 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.54 | 34,759 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,888 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,165 |
| U.S. States with the Fewest Borders | 0 | - | 4.76 | 104,664 |
| U.S. States with the Most Borders | 0 | - | 4.57 | 60,935 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.52 | 58,098 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.54 | 31,639 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 31,407 |
| New England States | 0 | - | 4.53 | 52,343 |
| US States by Land Area | 0 | - | 4.59 | 48,182 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.52 | 35,992 |
| Add a Letter - Make a U.S. State | 0 | - | 4.76 | 75,927 |
| Events by U.S. State #1 | 0 | - | 4.41 | 21,649 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 50,625 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.78 | 36,972 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 52,662 |
| The Only U.S. State ... #1 | 0 | - | 4.55 | 82,104 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,228 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,767 |
| Important Cities in European History | 0 | - | 4.56 | 109,253 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,287 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,583 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,822 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 49,000 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,500 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,231 |
| Cities by Former Name | 0 | - | 4.85 | 70,146 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,094 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,174 |
