| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,302 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,565 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,210 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,617 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,841 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,801 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,289 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,348 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,373 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,689 |
| US States with an Empty Map | 0 | - | 5.00 | 629,620 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,827 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,673 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,666 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,658 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,991 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,270 |
| US States Quiz | 0 | - | 5.00 | 17,023,670 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,864 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,895 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,470 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,099 |
| Random U.S. City to State | 0 | - | 4.45 | 77,029 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,478 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,212 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,152 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,037 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,253 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,193 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,050 |
| Name a City - European Countries | 0 | - | 4.89 | 66,394 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,601 |
| Pixelated United States Map | 0 | - | 4.89 | 94,938 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,190 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,441 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,465 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,522 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,571 |
| U.S. States By Population | 0 | - | 4.92 | 154,263 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,373 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,983 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,982 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,598 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,209 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,931 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 247,090 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,668 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,199 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,915 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,823 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,449 |
| Boroughs of New York City | 0 | - | 4.47 | 85,419 |
| South American Cities on the Map | 0 | - | 4.52 | 35,583 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,367 |
| Europe Capital to Country | 0 | - | 4.99 | 252,608 |
| Asia Capital to Country | 0 | - | 4.96 | 127,702 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,309 |
| European Capitals by Map | 0 | - | 4.99 | 142,573 |
| African Capitals by Map | 0 | - | 4.99 | 142,620 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,126 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,142 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,402 |
| European Coastal Capitals | 0 | - | 4.95 | 91,502 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,272 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,343 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,560 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,256 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,334 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,281 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,398 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,460 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,607 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,801 |
| ALL California Cities | 0 | - | 4.37 | 43,284 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,520 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,517 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,872 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,994 |
| Official Cities in the UK | 0 | - | 4.89 | 286,904 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,480 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,921 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,966 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,622 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,671 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,376 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,730 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,343 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,500 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,672 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,071 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,826 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,927 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,319 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,280 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,131 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,765 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,100 |
| Capitals of the Stans | 0 | - | 4.95 | 27,234 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,370 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,726 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,519 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,502 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,996 |
| American TV Show Settings | 0 | - | 4.37 | 30,712 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,130 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,915 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,046 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,989 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,017 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,697 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,685 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,134 |
| US States and State Capitals | 0 | - | 4.99 | 166,021 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,567 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,060 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,794 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,600 |
| States of Mexico | 0 | - | 4.96 | 178,772 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 55,034 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,513 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,219 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,240 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,996 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,623 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,460 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,714 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,532 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,814 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,607 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,945 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,598 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,570 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,089 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,359 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,453 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,406 |
| Countries by Capital City | 0 | - | 5.00 | 69,647 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,177 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,367 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,484 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,970 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,941 |
| Moved Capital Cities | 0 | - | 4.96 | 74,741 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,169 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,179 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,869 |
| Random European Capital to Country | 0 | - | 4.98 | 192,362 |
| Random European Country to Capital | 0 | - | 4.93 | 166,089 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,093 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,589 |
| Random African Capital to Country | 0 | - | 4.97 | 101,495 |
| Random African Country to Capital | 0 | - | 4.94 | 71,897 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,865 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,522 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,753 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,600 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,668 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,662 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,868 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,274 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,206 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,329 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,444 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,573 |
| Which City in Europe? | 0 | - | 4.83 | 108,007 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,611 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,402 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,919 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,131 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,582 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,459 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,110 |
| New England States | 0 | - | 4.51 | 59,913 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,115 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,138 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,226 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,337 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,187 |
| U.S. States by Borders | 0 | - | 4.61 | 35,515 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,281 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,720 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,400 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,584 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,194 |
| North American Sports Cities | 0 | - | 4.82 | 173,308 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,605 |
| Cities in European History #1 | 0 | - | 4.63 | 134,750 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,974 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,667 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,243 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,067 |
| Name a Valid World City | 0 | - | 4.85 | 72,145 |
| Cities by Former Name | 0 | - | 4.83 | 92,190 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,988 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,049 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,979 |
| World Capitals by Map | 0 | - | 5.00 | 290,001 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,939 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,395 |
