| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,155 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,628 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,537 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,761 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,971 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,454 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,324 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,250 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,294 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,127 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,935 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,679 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,630 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,556 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,775 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| US States Quiz | 0 | - | 5.00 | 16,684,798 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,134 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,616 |
| Random U.S. City to State | 0 | - | 4.45 | 75,240 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,984 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,139 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,600 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,056 |
| Name a City - European Countries | 0 | - | 4.92 | 64,294 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,346 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,678 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,623 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,271 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,320 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,542 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,811 |
| U.S. States By Population | 0 | - | 4.92 | 152,289 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,298 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,798 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,475 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,726 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,810 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,960 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,766 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,477 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,635 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,495 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| US States with an Empty Map | 0 | - | 5.00 | 618,328 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,688 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,655 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,026 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,478 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,610 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,586 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,485 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,822 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,112 |
| ALL California Cities | 0 | - | 4.36 | 42,803 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,381 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,289 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,508 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,967 |
| Official Cities in the UK | 0 | - | 4.89 | 280,269 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,734 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,615 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,390 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,759 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,023 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,118 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,778 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,313 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| Capitals of the Stans | 0 | - | 4.95 | 26,378 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,765 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,451 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,610 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,120 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,116 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,736 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,722 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,623 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,558 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,002 |
| US States and State Capitals | 0 | - | 4.99 | 158,199 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,570 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,105 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,705 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,426 |
| States of Mexico | 0 | - | 4.95 | 173,152 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,672 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,266 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,174 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,386 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,640 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,680 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,366 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,472 |
| South American Cities on the Map | 0 | - | 4.57 | 35,237 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,632 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,430 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,628 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,466 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,843 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,588 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,541 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,269 |
| Countries by Capital City | 0 | - | 5.00 | 66,507 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,246 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,085 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,358 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Moved Capital Cities | 0 | - | 4.96 | 73,536 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,965 |
| Random European Capital to Country | 0 | - | 4.98 | 189,092 |
| Random European Country to Capital | 0 | - | 4.92 | 147,364 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,341 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,125 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,341 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,759 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,275 |
| Pixelated United States Map | 0 | - | 4.89 | 93,391 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| Which City in Europe? | 0 | - | 4.83 | 106,564 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,209 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,311 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,428 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,807 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,009 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,780 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,887 |
| New England States | 0 | - | 4.51 | 59,700 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,442 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,878 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,276 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,601 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,644 |
| U.S. States by Borders | 0 | - | 4.63 | 35,051 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,329 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,216 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,099 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| North American Sports Cities | 0 | - | 4.83 | 170,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,891 |
| Cities in European History #1 | 0 | - | 4.63 | 133,004 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,526 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,181 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,004 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,658 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,133 |
| Name a Valid World City | 0 | - | 4.83 | 70,030 |
| Cities by Former Name | 0 | - | 4.84 | 90,891 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,653 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,202 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,822 |
| World Capitals by Map | 0 | - | 5.00 | 282,936 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,825 |
| Random Country to Capital | 0 | - | 4.98 | 910,810 |
| Capitals Starting With H | 0 | - | 4.90 | 90,010 |
| Capitals Starting With K | 0 | - | 4.85 | 75,586 |
| Capitals Starting With L | 0 | - | 4.81 | 86,719 |
| Capitals Starting With M | 0 | - | 4.93 | 105,908 |
| Capitals Starting With P | 0 | - | 4.88 | 77,090 |
| Capitals Starting With R | 0 | - | 4.87 | 80,881 |
| Capitals Starting With S | 0 | - | 4.89 | 84,705 |
| Capitals Starting With T | 0 | - | 4.84 | 75,211 |
| Capitals Starting With W | 0 | - | 4.89 | 90,524 |
| Capitals Starting With A | 0 | - | 4.97 | 126,407 |
