| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,588 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,767 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,350 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,119 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,229 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,178 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,087 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,508 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,727 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,716 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,335 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,237 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,624 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,176 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,896 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,805 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,622 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,891 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,248 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,331 |
| US States Quiz | 0 | - | 5.00 | 17,006,980 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,320 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,261 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,763 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,428 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,042 |
| Random U.S. City to State | 0 | - | 4.45 | 76,966 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,461 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,160 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,469 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,348 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,907 |
| Name a City - European Countries | 0 | - | 4.89 | 66,254 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,510 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,123 |
| Random European Capital to Country | 0 | - | 4.98 | 192,240 |
| Random European Country to Capital | 0 | - | 4.93 | 165,985 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,048 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,509 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,798 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,110 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,737 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,085 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,123 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,338 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,360 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,416 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,444 |
| U.S. States By Population | 0 | - | 4.92 | 154,200 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,292 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,929 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,907 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,561 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,145 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,709 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,840 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,266 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,267 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| Boroughs of New York City | 0 | - | 4.47 | 85,357 |
| US States with an Empty Map | 0 | - | 5.00 | 629,069 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,570 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,169 |
| Europe Capital to Country | 0 | - | 4.99 | 252,281 |
| Asia Capital to Country | 0 | - | 4.96 | 127,620 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,099 |
| European Capitals by Map | 0 | - | 4.99 | 142,289 |
| African Capitals by Map | 0 | - | 4.99 | 142,357 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,013 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,980 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,262 |
| European Coastal Capitals | 0 | - | 4.95 | 91,390 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,233 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,964 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,968 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,201 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,679 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,127 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,790 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,263 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,372 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,478 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,763 |
| ALL California Cities | 0 | - | 4.37 | 43,260 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,511 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,669 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,658 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,920 |
| Official Cities in the UK | 0 | - | 4.89 | 286,541 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,177 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,427 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,295 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,640 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,204 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,436 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,620 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,000 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,749 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,423 |
| Capitals of the Stans | 0 | - | 4.95 | 27,187 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,348 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,709 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,499 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,808 |
| American TV Show Settings | 0 | - | 4.37 | 30,704 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,012 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,509 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,895 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,728 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,600 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,036 |
| US States and State Capitals | 0 | - | 4.99 | 165,648 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,467 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,714 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,705 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,531 |
| States of Mexico | 0 | - | 4.96 | 178,420 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,812 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,501 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,185 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,135 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,109 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,796 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,521 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,321 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,971 |
| South American Cities on the Map | 0 | - | 4.52 | 35,566 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,402 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,596 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,936 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,591 |
| Find the City #1 | 0 | - | 4.97 | 43,388 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,454 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,023 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,270 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,323 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,242 |
| Countries by Capital City | 0 | - | 5.00 | 69,506 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,925 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,282 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,118 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,878 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,847 |
| Moved Capital Cities | 0 | - | 4.96 | 74,692 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,834 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,420 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,628 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,501 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,639 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,548 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,836 |
| Pixelated United States Map | 0 | - | 4.89 | 94,851 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,892 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,184 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,293 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,403 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,465 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,882 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,434 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,834 |
| Which City in Europe? | 0 | - | 4.83 | 107,926 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,600 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,294 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,750 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,051 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,521 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,415 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,064 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,085 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,127 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,180 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,303 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,161 |
| U.S. States by Borders | 0 | - | 4.62 | 35,493 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 189,031 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,696 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,364 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| North American Sports Cities | 0 | - | 4.82 | 173,210 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,583 |
| Cities in European History #1 | 0 | - | 4.63 | 134,672 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,953 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,464 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,902 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,649 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,227 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,992 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,538 |
| Name a Valid World City | 0 | - | 4.85 | 72,049 |
| Cities by Former Name | 0 | - | 4.83 | 92,116 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,955 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,009 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,901 |
| World Capitals by Map | 0 | - | 5.00 | 289,674 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,867 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,718 |
| Random Country to Capital | 0 | - | 4.98 | 929,100 |
