| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,806 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,770 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,518 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,391 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,001 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,792 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,141 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,128 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,083 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,446 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,588 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,526 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,306 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,453 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,239 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,342 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,329 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,584 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,923 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,082 |
| US States Quiz | 0 | - | 5.00 | 16,871,222 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,993 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,882 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,324 |
| Random U.S. City to State | 0 | - | 4.45 | 76,296 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,727 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,493 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,712 |
| Name a City - European Countries | 0 | - | 4.90 | 65,358 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,846 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,394 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,411 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,973 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,254 |
| U.S. States By Population | 0 | - | 4.92 | 153,524 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,424 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,430 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,283 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,203 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,603 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,419 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,444 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,975 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,036 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,772 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,687 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,395 |
| Boroughs of New York City | 0 | - | 4.47 | 84,586 |
| US States with an Empty Map | 0 | - | 5.00 | 624,440 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,643 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,077 |
| Europe Capital to Country | 0 | - | 4.99 | 250,041 |
| Asia Capital to Country | 0 | - | 4.96 | 126,644 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,845 |
| European Capitals by Map | 0 | - | 4.99 | 139,096 |
| African Capitals by Map | 0 | - | 4.99 | 133,754 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,370 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,051 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,401 |
| European Coastal Capitals | 0 | - | 4.95 | 90,575 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,579 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,904 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,951 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,819 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,070 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,000 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,581 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,166 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,492 |
| ALL California Cities | 0 | - | 4.37 | 43,045 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,454 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,342 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,848 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,979 |
| Official Cities in the UK | 0 | - | 4.89 | 283,650 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,479 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,706 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,021 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,812 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,164 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,274 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,397 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,145 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,197 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,930 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,546 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,970 |
| Capitals of the Stans | 0 | - | 4.95 | 26,838 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,126 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,583 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,396 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,960 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,010 |
| American TV Show Settings | 0 | - | 4.35 | 30,647 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,133 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,588 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,760 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,348 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,142 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,623 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,233 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,064 |
| US States and State Capitals | 0 | - | 4.99 | 162,278 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,620 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,965 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,709 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,934 |
| States of Mexico | 0 | - | 4.95 | 175,990 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,898 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,378 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,762 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,259 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,247 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 80,065 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,763 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,785 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,202 |
| South American Cities on the Map | 0 | - | 4.53 | 35,419 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,087 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,526 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,750 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,525 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,220 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,385 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,466 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,196 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,950 |
| Countries by Capital City | 0 | - | 5.00 | 68,226 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,148 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,626 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,335 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,172 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,508 |
| Moved Capital Cities | 0 | - | 4.96 | 74,191 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,645 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,551 |
| Random European Capital to Country | 0 | - | 4.98 | 190,880 |
| Random European Country to Capital | 0 | - | 4.93 | 165,091 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,743 |
| Random African Capital to Country | 0 | - | 4.97 | 100,698 |
| Random African Country to Capital | 0 | - | 4.94 | 71,187 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,041 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,124 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,651 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,755 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,375 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,326 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,528 |
| Pixelated United States Map | 0 | - | 4.87 | 94,253 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,884 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,992 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,824 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,981 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,698 |
| Which City in Europe? | 0 | - | 4.83 | 107,376 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,426 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,424 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,418 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,068 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,750 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,168 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,462 |
| New England States | 0 | - | 4.51 | 59,807 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,804 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,007 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,809 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,996 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,920 |
| U.S. States by Borders | 0 | - | 4.61 | 35,310 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,697 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,479 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,036 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,885 |
| North American Sports Cities | 0 | - | 4.83 | 172,353 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,314 |
| Cities in European History #1 | 0 | - | 4.63 | 133,973 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,760 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,340 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,741 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,883 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,556 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,121 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,378 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,797 |
| Name a Valid World City | 0 | - | 4.83 | 71,179 |
| Cities by Former Name | 0 | - | 4.83 | 91,559 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,385 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,647 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,173 |
| World Capitals by Map | 0 | - | 5.00 | 286,349 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,289 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,817 |
| Random Country to Capital | 0 | - | 4.98 | 920,248 |
| Capitals Starting With H | 0 | - | 4.91 | 92,526 |
| Capitals Starting With K | 0 | - | 4.88 | 83,426 |
| Capitals Starting With L | 0 | - | 4.81 | 88,047 |
| Capitals Starting With M | 0 | - | 4.93 | 107,746 |
| Capitals Starting With P | 0 | - | 4.88 | 78,173 |
| Capitals Starting With R | 0 | - | 4.87 | 81,801 |
