| Which City in California? | 0 | - | 4.56 | 31,962 |
| Which City in New York State? | 0 | - | 4.60 | 15,910 |
| Which City in Florida? | 0 | - | 4.61 | 10,954 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,590 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,982 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,220 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,598 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,653 |
| Random European Capital to Country | 0 | - | 4.98 | 189,736 |
| Random European Country to Capital | 0 | - | 4.92 | 147,825 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,640 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,762 |
| Random African Capital to Country | 0 | - | 4.97 | 100,004 |
| Random African Country to Capital | 0 | - | 4.94 | 70,522 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,579 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,411 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,384 |
| Name a City - European Countries | 0 | - | 4.91 | 64,802 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,411 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,823 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,484 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,792 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,193 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,819 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,984 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,053 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,407 |
| Europe Capital to Country | 0 | - | 4.99 | 248,824 |
| Asia Capital to Country | 0 | - | 4.96 | 126,137 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,079 |
| European Capitals by Map | 0 | - | 4.99 | 137,633 |
| African Capitals by Map | 0 | - | 4.99 | 132,785 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,055 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,692 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,566 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,941 |
| European Coastal Capitals | 0 | - | 4.95 | 90,082 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,345 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,153 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,705 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,575 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,050 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,304 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,873 |
| New York City A-Z | 0 | - | 4.18 | 32,236 |
| Official Cities in the UK | 0 | - | 4.89 | 282,014 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,302 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,124 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,952 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,681 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,549 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,479 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,909 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,802 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,973 |
| US States and State Capitals | 0 | - | 4.99 | 160,127 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,528 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,512 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,606 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 146,043 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,075 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,054 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,712 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,895 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,426 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,911 |
| Capitals of the Stans | 0 | - | 4.95 | 26,593 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,983 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,795 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,586 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,136 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,098 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,746 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,935 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,342 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,868 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,900 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,340 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,938 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,282 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,417 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,259 |
| Which City in Europe? | 0 | - | 4.83 | 106,980 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,957 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,770 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,880 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,636 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,422 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,501 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,067 |
| Random U.S. City to State | 0 | - | 4.45 | 75,638 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,610 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,539 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,100 |
| Find the City #1 | 0 | - | 4.97 | 42,471 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,430 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,542 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,029 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,025 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,267 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,120 |
| Countries by Capital City | 0 | - | 5.00 | 67,423 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,714 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,227 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,643 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,671 |
| Moved Capital Cities | 0 | - | 4.96 | 73,862 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,065 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,700 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,316 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,966 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,592 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,164 |
| Which City in Canada? | 0 | - | 4.82 | 56,844 |
| Boroughs of New York City | 0 | - | 4.47 | 84,315 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,921 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,488 |
| Chicago A-Z | 0 | - | 4.25 | 15,483 |
| Dallas City Trivia | 0 | - | 4.46 | 6,803 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,560 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,741 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,407 |
| North American Sports Cities | 0 | - | 4.83 | 171,353 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,029 |
| Cities in European History #1 | 0 | - | 4.63 | 133,520 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,257 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,634 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,835 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,065 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,308 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,018 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,426 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,398 |
| Name a Valid World City | 0 | - | 4.83 | 70,568 |
| Cities by Former Name | 0 | - | 4.84 | 91,236 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,201 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,433 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,148 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,458 |
| World Capitals by Map | 0 | - | 5.00 | 284,692 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,953 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,844 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,549 |
| Random Country to Capital | 0 | - | 4.98 | 914,766 |
| Capitals Starting With H | 0 | - | 4.90 | 91,697 |
| Capitals Starting With K | 0 | - | 4.85 | 75,923 |
| Capitals Starting With L | 0 | - | 4.81 | 87,124 |
| Capitals Starting With M | 0 | - | 4.93 | 106,556 |
| Capitals Starting With P | 0 | - | 4.88 | 77,427 |
| Capitals Starting With R | 0 | - | 4.87 | 81,212 |
| Capitals Starting With S | 0 | - | 4.89 | 85,054 |
| Capitals Starting With T | 0 | - | 4.84 | 75,537 |
| Capitals Starting With W | 0 | - | 4.87 | 90,837 |
| Capitals Starting With A | 0 | - | 4.97 | 126,896 |
| Capitals Starting With B | 0 | - | 4.89 | 117,595 |
| Capitals Starting With D | 0 | - | 4.93 | 95,675 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,646 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,118 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,976 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,846 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,902 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,366 |
| Which City in Germany? | 0 | - | 4.50 | 135,782 |
| Which City in Italy? | 0 | - | 4.64 | 89,676 |
| Which City in France? | 0 | - | 4.64 | 72,840 |
| Which City in Spain? | 0 | - | 4.50 | 49,794 |
| Which City in Australia? | 0 | - | 4.67 | 34,327 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,526,663 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,462 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,200 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,187 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,685 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,571 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,423 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,009 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,740 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,422 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,428 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,406 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,309 |
| South American Cities on the Map | 0 | - | 4.56 | 35,305 |
| North America Cities by Map | 0 | - | 4.41 | 47,697 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,520 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,848 |
| ALL California Cities | 0 | - | 4.37 | 42,929 |
| Random European City to Country | 0 | - | 4.69 | 116,937 |
| Random Asian City to Country | 0 | - | 4.56 | 44,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,074 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,285 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,318 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,932 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,581 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,530 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,653 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,253 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,102 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,720 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,404 |
