| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,341 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,519 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,876 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,326 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,719 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,384 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,328 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,019 |
| Random European Capital to Country | 0 | - | 4.98 | 189,175 |
| Random European Country to Capital | 0 | - | 4.92 | 147,430 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,374 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,381 |
| Random African Capital to Country | 0 | - | 4.97 | 99,723 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,904 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,059 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,167 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,839 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,055 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,745 |
| Name a City - European Countries | 0 | - | 4.92 | 64,370 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,427 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,829 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,803 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,513 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,654 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,521 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,005 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,373 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,345 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,712 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,331 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,681 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,783 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,589 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,793 |
| Europe Capital to Country | 0 | - | 4.99 | 247,622 |
| Asia Capital to Country | 0 | - | 4.96 | 125,726 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,426 |
| European Capitals by Map | 0 | - | 4.99 | 136,217 |
| African Capitals by Map | 0 | - | 4.99 | 132,125 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,114 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,590 |
| European Coastal Capitals | 0 | - | 4.95 | 89,728 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,724 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,739 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,412 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,920 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,388 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,539 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,314 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,895 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,957 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,821 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,818 |
| Official Cities in the UK | 0 | - | 4.89 | 280,461 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,658 |
| Random U.S. City to State | 0 | - | 4.45 | 75,308 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,786 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,182 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,801 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,652 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,164 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,694 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,426 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,757 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,787 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,123 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,787 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,325 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,840 |
| US States Quiz | 0 | - | 5.00 | 16,696,786 |
| Capitals of the Stans | 0 | - | 4.95 | 26,400 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,690 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,176 |
| Boroughs of New York City | 0 | - | 4.47 | 84,088 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,228 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,182 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,247 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,900 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,812 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,657 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,559 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,145 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,007 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,338 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,770 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,837 |
| States of Mexico | 0 | - | 4.95 | 173,302 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,890 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,239 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,703 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,751 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,468 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,517 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,139 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,732 |
| ALL California Cities | 0 | - | 4.36 | 42,811 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,915 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,638 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,588 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,589 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,397 |
| Countries by Capital City | 0 | - | 5.00 | 66,604 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,310 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,894 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,304 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,401 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,188 |
| Moved Capital Cities | 0 | - | 4.96 | 73,574 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,163 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,760 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,336 |
| United States Country Quiz | 0 | - | 4.43 | 100,561 |
| Pixelated United States Map | 0 | - | 4.89 | 93,458 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,705 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,334 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,383 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,633 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,880 |
| U.S. States By Population | 0 | - | 4.92 | 152,335 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,376 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,848 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,535 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,756 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,869 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,258 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,614 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,807 |
| Which City in Europe? | 0 | - | 4.83 | 106,607 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,827 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,074 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,798 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| US States with an Empty Map | 0 | - | 5.00 | 618,686 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,686 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,553 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,908 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| North American Sports Cities | 0 | - | 4.83 | 170,873 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,911 |
| Cities in European History #1 | 0 | - | 4.63 | 133,096 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,190 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,559 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,801 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,014 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,712 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,179 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,597 |
| Cities by Former Name | 0 | - | 4.84 | 90,953 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,910 |
| World Capitals by Map | 0 | - | 5.00 | 283,135 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,651 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,686 |
| Random Country to Capital | 0 | - | 4.98 | 911,438 |
| Capitals Starting With H | 0 | - | 4.90 | 90,802 |
| Capitals Starting With K | 0 | - | 4.85 | 75,671 |
| Capitals Starting With L | 0 | - | 4.81 | 86,817 |
| Capitals Starting With M | 0 | - | 4.93 | 106,030 |
| Capitals Starting With P | 0 | - | 4.88 | 77,178 |
| Capitals Starting With R | 0 | - | 4.87 | 80,963 |
| Capitals Starting With S | 0 | - | 4.89 | 84,797 |
| Capitals Starting With T | 0 | - | 4.84 | 75,283 |
| Capitals Starting With W | 0 | - | 4.89 | 90,599 |
| Capitals Starting With A | 0 | - | 4.97 | 126,533 |
| Capitals Starting With B | 0 | - | 4.89 | 117,274 |
| Capitals Starting With D | 0 | - | 4.93 | 95,371 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,964 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,645 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,850 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,638 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,031 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,538 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,522 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,300 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,174 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,081 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,436 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,631 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,661 |
