| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,221 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,460 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,468 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,387 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,146 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,983 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,624 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,098 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,427 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,230 |
| South American Cities on the Map | 0 | - | 4.52 | 35,504 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,108 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,224 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,810 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,115 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,022 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,371 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,719 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,665 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,320 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,329 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,982 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,746 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,011 |
| Pixelated United States Map | 0 | - | 4.88 | 94,594 |
| Name a City - European Countries | 0 | - | 4.90 | 65,857 |
| US States with an Empty Map | 0 | - | 5.00 | 626,900 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,145 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,953 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,481 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,536 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,666 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,863 |
| Random U.S. City to State | 0 | - | 4.45 | 76,680 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,961 |
| Europe Capital to Country | 0 | - | 4.99 | 251,361 |
| Asia Capital to Country | 0 | - | 4.96 | 127,083 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,509 |
| European Capitals by Map | 0 | - | 4.99 | 141,059 |
| African Capitals by Map | 0 | - | 4.99 | 140,664 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,424 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,542 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,902 |
| European Coastal Capitals | 0 | - | 4.95 | 91,009 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,022 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,460 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,027 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,008 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,011 |
| Official Cities in the UK | 0 | - | 4.89 | 285,138 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,409 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,833 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,926 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,271 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,791 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,113 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,900 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,334 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,710 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,189 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,405 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,714 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,518 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,820 |
| Belize Country Quiz | 0 | - | 4.85 | 21,045 |
| US States Quiz | 0 | - | 5.00 | 16,945,497 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,604 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,456 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,481 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,645 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,162 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,083 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,636 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,396 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,215 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,096 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,830 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,742 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,421 |
| Boroughs of New York City | 0 | - | 4.47 | 84,828 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,040 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,422 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,636 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,717 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,186 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,366 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,253 |
| States of Mexico | 0 | - | 4.96 | 177,335 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,403 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,060 |
| Capitals of the Stans | 0 | - | 4.95 | 27,025 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,747 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,708 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,209 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,749 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,607 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,629 |
| ALL California Cities | 0 | - | 4.37 | 43,168 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,476 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,073 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,682 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,900 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,765 |
| Random European Capital to Country | 0 | - | 4.98 | 191,732 |
| Random European Country to Capital | 0 | - | 4.93 | 165,590 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,838 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,194 |
| Random African Capital to Country | 0 | - | 4.97 | 101,085 |
| Random African Country to Capital | 0 | - | 4.94 | 71,548 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,140 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,021 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,617 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,016 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,870 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,143 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,146 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,506 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,786 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,872 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,670 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,894 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,902 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,522 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,874 |
| U.S. States By Population | 0 | - | 4.92 | 153,883 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,873 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,689 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,641 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,403 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,898 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,852 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,771 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,807 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,725 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,919 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,811 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,653 |
| Countries by Capital City | 0 | - | 5.00 | 68,937 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,559 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,980 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,739 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,090 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,566 |
| Moved Capital Cities | 0 | - | 4.96 | 74,470 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,081 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,197 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,139 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,572 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,205 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,231 |
| Which City in Europe? | 0 | - | 4.83 | 107,706 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,873 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,049 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,746 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,134 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.68 | 22,156 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,518 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,073 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,294 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,694 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,622 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,999 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,751 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,639,945 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,252 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,477 |
| American TV Show Settings | 0 | - | 4.35 | 30,677 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,829 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,971 |
| Random Country to Capital | 0 | - | 4.98 | 924,585 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,652 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,265 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,085 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,603 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,807 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,977 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,820 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,238 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,277 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,793 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,466 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,134 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,520 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,076 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,210 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,414 |
| North American Sports Cities | 0 | - | 4.83 | 172,846 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,461 |
| Cities in European History #1 | 0 | - | 4.63 | 134,371 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,179 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,561 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,913 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,731 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,560 |
| Cities by Former Name | 0 | - | 4.83 | 91,846 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,566 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,847 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,560 |
| World Capitals by Map | 0 | - | 5.00 | 288,267 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,629 |
