| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,065 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,256 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,245 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,457 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,425 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,839 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,996 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,744 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,114 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,048 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,934 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,300 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,152 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,133 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,770 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,946 |
| US States Quiz | 0 | - | 5.00 | 16,783,036 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,158 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,751 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,088 |
| Random U.S. City to State | 0 | - | 4.45 | 75,778 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,456 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,819 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,214 |
| Name a City - European Countries | 0 | - | 4.91 | 64,888 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,933 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,386 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,945 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,944 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,387 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,622 |
| U.S. States By Population | 0 | - | 4.92 | 152,796 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,917 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,179 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,964 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,990 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,280 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,328 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,177 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,718 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,971 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,713 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,603 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,369 |
| Boroughs of New York City | 0 | - | 4.47 | 84,338 |
| US States with an Empty Map | 0 | - | 5.00 | 621,480 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,121 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,486 |
| Europe Capital to Country | 0 | - | 4.99 | 248,960 |
| Asia Capital to Country | 0 | - | 4.96 | 126,191 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,178 |
| European Capitals by Map | 0 | - | 4.99 | 137,811 |
| African Capitals by Map | 0 | - | 4.99 | 132,883 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,749 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,626 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,003 |
| European Coastal Capitals | 0 | - | 4.95 | 90,144 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,366 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,303 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,922 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,598 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,985 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,368 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,108 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,539 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,323 |
| ALL California Cities | 0 | - | 4.37 | 42,940 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,515 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,816 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,536 |
| Official Cities in the UK | 0 | - | 4.89 | 282,215 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,113 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,306 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,006 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,711 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,648 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,527 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,934 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,842 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,009 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,089 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,089 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,152 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,862 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,433 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,906 |
| Capitals of the Stans | 0 | - | 4.95 | 26,610 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,002 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,517 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,331 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,193 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,629 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,674 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,202 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,681 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,679 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,922 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,587 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,194 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,028 |
| US States and State Capitals | 0 | - | 4.99 | 160,298 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,070 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,350 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,203 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,588 |
| States of Mexico | 0 | - | 4.95 | 174,754 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,883 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,320 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,742 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,816 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,035 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,287 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,109 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,849 |
| South American Cities on the Map | 0 | - | 4.56 | 35,314 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,490 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,485 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,711 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,500 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,620 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,063 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,079 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,343 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,197 |
| Countries by Capital City | 0 | - | 5.00 | 67,505 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,763 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,264 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,776 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,716 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,363 |
| Moved Capital Cities | 0 | - | 4.96 | 73,896 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,340 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,163 |
| Random European Capital to Country | 0 | - | 4.98 | 189,981 |
| Random European Country to Capital | 0 | - | 4.92 | 154,572 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,784 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,881 |
| Random African Capital to Country | 0 | - | 4.97 | 100,107 |
| Random African Country to Capital | 0 | - | 4.94 | 70,644 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,639 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,381 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,036 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,266 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,186 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,745 |
| Pixelated United States Map | 0 | - | 4.89 | 93,837 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,913 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,502 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,806 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,257 |
| Which City in Europe? | 0 | - | 4.83 | 107,013 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,841 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,168 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,129 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,427 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,949 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,211 |
| New England States | 0 | - | 4.51 | 59,758 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,641 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,952 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,571 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,832 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,793 |
| U.S. States by Borders | 0 | - | 4.63 | 35,200 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,953 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,372 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,826 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,435 |
| North American Sports Cities | 0 | - | 4.83 | 171,403 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,046 |
| Cities in European History #1 | 0 | - | 4.63 | 133,561 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,651 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,265 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,647 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,842 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,503 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,075 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,050 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,474 |
| Name a Valid World City | 0 | - | 4.83 | 70,641 |
| Cities by Former Name | 0 | - | 4.84 | 91,282 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,219 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,454 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,537 |
| World Capitals by Map | 0 | - | 5.00 | 284,859 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,991 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,503 |
| Random Country to Capital | 0 | - | 4.98 | 915,202 |
| Capitals Starting With H | 0 | - | 4.90 | 91,741 |
| Capitals Starting With K | 0 | - | 4.85 | 75,951 |
| Capitals Starting With L | 0 | - | 4.81 | 87,161 |
| Capitals Starting With M | 0 | - | 4.93 | 106,605 |
| Capitals Starting With P | 0 | - | 4.88 | 77,457 |
| Capitals Starting With R | 0 | - | 4.87 | 81,240 |
| Capitals Starting With S | 0 | - | 4.89 | 85,085 |
| Capitals Starting With T | 0 | - | 4.84 | 75,571 |
| Capitals Starting With W | 0 | - | 4.87 | 90,862 |
| Capitals Starting With A | 0 | - | 4.97 | 126,960 |
