| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,130 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,613 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,379 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,744 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,956 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,448 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,832 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,318 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,242 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,279 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,098 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,898 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,675 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,621 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,773 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,335 |
| US States Quiz | 0 | - | 5.00 | 16,683,244 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,102 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,574 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,602 |
| Random U.S. City to State | 0 | - | 4.45 | 75,211 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,980 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,130 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,551 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,997 |
| Name a City - European Countries | 0 | - | 4.92 | 64,285 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,334 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,652 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,613 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,249 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,301 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,519 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,792 |
| U.S. States By Population | 0 | - | 4.92 | 152,278 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,288 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,791 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,463 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,509 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,762 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,467 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,493 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| US States with an Empty Map | 0 | - | 5.00 | 618,277 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,258 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,674 |
| Europe Capital to Country | 0 | - | 4.99 | 247,335 |
| Asia Capital to Country | 0 | - | 4.96 | 125,642 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,325 |
| European Capitals by Map | 0 | - | 4.99 | 135,995 |
| African Capitals by Map | 0 | - | 4.99 | 132,075 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,991 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,538 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,454 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,579 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,897 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,479 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,815 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,105 |
| ALL California Cities | 0 | - | 4.36 | 42,802 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,380 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,763 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,496 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,964 |
| Official Cities in the UK | 0 | - | 4.89 | 280,241 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,727 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,587 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,566 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,345 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,037 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,090 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,382 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,717 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,752 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,020 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,117 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,775 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,312 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| Capitals of the Stans | 0 | - | 4.95 | 26,373 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,761 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,446 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,458 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,113 |
| American TV Show Settings | 0 | - | 4.35 | 30,584 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,102 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,707 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,584 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,712 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,616 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,557 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,142 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,001 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,158 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,061 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,698 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,270 |
| States of Mexico | 0 | - | 4.95 | 173,081 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,621 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,264 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,151 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,647 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,347 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,465 |
| South American Cities on the Map | 0 | - | 4.57 | 35,231 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,617 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,428 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,627 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,465 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,580 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,533 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,498 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,257 |
| Countries by Capital City | 0 | - | 5.00 | 66,490 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,822 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,030 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,355 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,159 |
| Moved Capital Cities | 0 | - | 4.96 | 73,529 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Random European Capital to Country | 0 | - | 4.98 | 189,084 |
| Random European Country to Capital | 0 | - | 4.92 | 147,356 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,337 |
| Random African Capital to Country | 0 | - | 4.97 | 99,680 |
| Random African Country to Capital | 0 | - | 4.94 | 70,161 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,110 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,328 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,747 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,267 |
| Pixelated United States Map | 0 | - | 4.89 | 93,361 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,756 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,207 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,300 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,413 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,802 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,000 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,883 |
| New England States | 0 | - | 4.51 | 59,699 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,432 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,876 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,267 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,600 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,642 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,309 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,094 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| North American Sports Cities | 0 | - | 4.83 | 170,785 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Cities in European History #1 | 0 | - | 4.63 | 132,993 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,524 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,178 |
| 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 | 51,003 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,649 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,128 |
| Name a Valid World City | 0 | - | 4.83 | 70,019 |
| Cities by Former Name | 0 | - | 4.84 | 90,886 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,644 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,197 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,811 |
| World Capitals by Map | 0 | - | 5.00 | 282,900 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,609 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,595 |
| Random Country to Capital | 0 | - | 4.98 | 910,738 |
| Capitals Starting With H | 0 | - | 4.90 | 89,743 |
| Capitals Starting With K | 0 | - | 4.85 | 75,555 |
| Capitals Starting With M | 0 | - | 4.93 | 105,861 |
| Capitals Starting With P | 0 | - | 4.88 | 77,063 |
| Capitals Starting With R | 0 | - | 4.87 | 80,856 |
| Capitals Starting With S | 0 | - | 4.89 | 84,675 |
| Capitals Starting With T | 0 | - | 4.84 | 75,181 |
| Capitals Starting With W | 0 | - | 4.89 | 90,503 |
| Capitals Starting With A | 0 | - | 4.97 | 126,369 |
| Capitals Starting With B | 0 | - | 4.89 | 117,132 |
