| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,874 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,145 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,719 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,352 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,342 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,773 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,970 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,657 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,988 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,848 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,564 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,748 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,111 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,054 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,716 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,914 |
| US States Quiz | 0 | - | 5.00 | 16,761,961 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,962 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,718 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,428 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,033 |
| Random U.S. City to State | 0 | - | 4.45 | 75,561 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,088 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,385 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,797 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,374 |
| Name a City - European Countries | 0 | - | 4.91 | 64,749 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,807 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,226 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,816 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,813 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,222 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,466 |
| U.S. States By Population | 0 | - | 4.92 | 152,697 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,101 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,876 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,939 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,187 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,272 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,113 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,675 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,953 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,697 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,581 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,359 |
| Boroughs of New York City | 0 | - | 4.47 | 84,281 |
| US States with an Empty Map | 0 | - | 5.00 | 620,871 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,964 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,322 |
| Europe Capital to Country | 0 | - | 4.99 | 248,654 |
| Asia Capital to Country | 0 | - | 4.96 | 126,073 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,964 |
| European Capitals by Map | 0 | - | 4.99 | 137,418 |
| African Capitals by Map | 0 | - | 4.99 | 132,704 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,640 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,521 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,899 |
| European Coastal Capitals | 0 | - | 4.95 | 90,035 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,310 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,924 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,575 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,540 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,966 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,194 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,984 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,382 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,277 |
| ALL California Cities | 0 | - | 4.37 | 42,917 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,419 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,013 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,414 |
| Official Cities in the UK | 0 | - | 4.89 | 281,640 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,030 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,936 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,910 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,645 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,498 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,432 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,876 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,751 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,946 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,011 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,076 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,142 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,840 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,407 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,893 |
| Capitals of the Stans | 0 | - | 4.95 | 26,570 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,941 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,502 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,316 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,109 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,534 |
| American TV Show Settings | 0 | - | 4.35 | 30,609 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,534 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,860 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,661 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,482 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,862 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,578 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,183 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,023 |
| US States and State Capitals | 0 | - | 4.99 | 159,794 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,943 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,963 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,106 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,493 |
| States of Mexico | 0 | - | 4.95 | 174,340 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,351 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,312 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,621 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,725 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,957 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,145 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,952 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,778 |
| South American Cities on the Map | 0 | - | 4.56 | 35,294 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,328 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,473 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,678 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,495 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,451 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,972 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,945 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,006 |
| Countries by Capital City | 0 | - | 5.00 | 67,280 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,166 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,433 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,617 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,319 |
| Moved Capital Cities | 0 | - | 4.96 | 73,816 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,250 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,906 |
| Random European Capital to Country | 0 | - | 4.98 | 189,663 |
| Random European Country to Capital | 0 | - | 4.92 | 147,769 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,600 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,705 |
| Random African Capital to Country | 0 | - | 4.97 | 99,949 |
| Random African Country to Capital | 0 | - | 4.94 | 70,418 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,552 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,167 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,893 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,168 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,154 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,637 |
| Pixelated United States Map | 0 | - | 4.89 | 93,745 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,879 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,417 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,764 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,147 |
| Which City in Europe? | 0 | - | 4.83 | 106,953 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,300 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,740 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,033 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,071 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,331 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,911 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,139 |
| New England States | 0 | - | 4.51 | 59,738 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,604 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,936 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,519 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,791 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,764 |
| U.S. States by Borders | 0 | - | 4.63 | 35,168 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,617 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,340 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,736 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,356 |
| North American Sports Cities | 0 | - | 4.83 | 171,285 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,013 |
| Cities in European History #1 | 0 | - | 4.63 | 133,466 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,616 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,247 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,623 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,831 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,494 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,055 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,980 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,391 |
| Name a Valid World City | 0 | - | 4.83 | 70,465 |
| Cities by Former Name | 0 | - | 4.84 | 91,198 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,177 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,396 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,377 |
| World Capitals by Map | 0 | - | 5.00 | 284,507 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,907 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,836 |
| Random Country to Capital | 0 | - | 4.98 | 914,199 |
| Capitals Starting With H | 0 | - | 4.90 | 91,644 |
| Capitals Starting With K | 0 | - | 4.85 | 75,889 |
| Capitals Starting With L | 0 | - | 4.81 | 87,072 |
| Capitals Starting With M | 0 | - | 4.93 | 106,469 |
| Capitals Starting With P | 0 | - | 4.88 | 77,391 |
| Capitals Starting With R | 0 | - | 4.87 | 81,158 |
| Capitals Starting With S | 0 | - | 4.89 | 85,019 |
| Capitals Starting With T | 0 | - | 4.84 | 75,483 |
