| Which City in California? | 0 | - | 4.56 | 32,115 |
| Which City in New York State? | 0 | - | 4.60 | 16,026 |
| Which City in Florida? | 0 | - | 4.61 | 11,012 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,885 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,491 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,490 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,238 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,117 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,151 |
| Random European Capital to Country | 0 | - | 4.98 | 191,757 |
| Random European Country to Capital | 0 | - | 4.93 | 165,615 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,846 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,207 |
| Random African Capital to Country | 0 | - | 4.97 | 101,119 |
| Random African Country to Capital | 0 | - | 4.94 | 71,561 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,386 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,648 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,112 |
| Name a City - European Countries | 0 | - | 4.90 | 65,880 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,471 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,480 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,088 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,222 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,166 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,438 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,234 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,162 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,696 |
| Europe Capital to Country | 0 | - | 4.99 | 251,408 |
| Asia Capital to Country | 0 | - | 4.96 | 127,111 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,538 |
| European Capitals by Map | 0 | - | 4.99 | 141,158 |
| African Capitals by Map | 0 | - | 4.99 | 140,893 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,557 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,471 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,566 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,920 |
| European Coastal Capitals | 0 | - | 4.95 | 91,025 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,033 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,515 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,078 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,020 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,143 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,580 |
| New York City A-Z | 0 | - | 4.18 | 32,350 |
| Official Cities in the UK | 0 | - | 4.89 | 285,217 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,522 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,238 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,909 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,350 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,731 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,198 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,420 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,722 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,527 |
| US States and State Capitals | 0 | - | 4.99 | 164,310 |
| Random U.S. States on a Map | 0 | - | 4.96 | 628,780 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,231 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,652 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,634 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,099 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,822 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,558 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,396 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,407 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,626 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,487 |
| Capitals of the Stans | 0 | - | 4.95 | 27,033 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,214 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,056 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,790 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,488 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,549 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,112 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,230 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,371 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,992 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,098 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,691 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,392 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,918 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,860 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,899 |
| Which City in Europe? | 0 | - | 4.83 | 107,722 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,725 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,569 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,007 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,871 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,875 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,596 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,874 |
| Random U.S. City to State | 0 | - | 4.45 | 76,690 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,672 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,376 |
| Find the City #1 | 0 | - | 4.97 | 43,162 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,970 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,831 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,740 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,933 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,847 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,684 |
| Countries by Capital City | 0 | - | 5.00 | 68,957 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,577 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,995 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,816 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,579 |
| Moved Capital Cities | 0 | - | 4.96 | 74,484 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,716 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,220 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,586 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,100 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,832 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,745 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,514 |
| Which City in Canada? | 0 | - | 4.83 | 57,233 |
| Boroughs of New York City | 0 | - | 4.47 | 84,837 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,086 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,534 |
| Chicago A-Z | 0 | - | 4.25 | 15,536 |
| Dallas City Trivia | 0 | - | 4.46 | 6,855 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,831 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,036 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,229 |
| North American Sports Cities | 0 | - | 4.83 | 172,859 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,466 |
| Cities in European History #1 | 0 | - | 4.63 | 134,386 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,412 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,838 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,926 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,180 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,486 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,739 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,281 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,681 |
| Name a Valid World City | 0 | - | 4.84 | 71,653 |
| Cities by Former Name | 0 | - | 4.83 | 91,859 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,571 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,851 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,648 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,576 |
| World Capitals by Map | 0 | - | 5.00 | 288,325 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,639 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,190 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,628 |
| Random Country to Capital | 0 | - | 4.98 | 924,795 |
| Capitals Starting With H | 0 | - | 4.91 | 92,866 |
| Capitals Starting With K | 0 | - | 4.88 | 83,923 |
| Capitals Starting With L | 0 | - | 4.81 | 88,390 |
| Capitals Starting With M | 0 | - | 4.93 | 108,328 |
| Capitals Starting With P | 0 | - | 4.88 | 78,505 |
| Capitals Starting With R | 0 | - | 4.87 | 82,104 |
| Capitals Starting With S | 0 | - | 4.90 | 86,096 |
| Capitals Starting With T | 0 | - | 4.85 | 76,436 |
| Capitals Starting With W | 0 | - | 4.87 | 91,474 |
| Capitals Starting With A | 0 | - | 4.97 | 128,490 |
| Capitals Starting With B | 0 | - | 4.89 | 118,898 |
| Capitals Starting With D | 0 | - | 4.93 | 96,778 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,808 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,307 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,144 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,024 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,016 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,421 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,691 |
| Which City in Germany? | 0 | - | 4.50 | 137,031 |
| Which City in Italy? | 0 | - | 4.68 | 90,406 |
| Which City in France? | 0 | - | 4.67 | 73,275 |
| Which City in Spain? | 0 | - | 4.50 | 50,048 |
| Which City in Australia? | 0 | - | 4.67 | 34,493 |
| Fifty US States in One Minute | 0 | - | 4.62 | 3,549,238 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,829 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,005 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,142 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,825 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,605 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,239 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,598 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,707 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,673 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,479 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,612 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,639 |
| South American Cities on the Map | 0 | - | 4.52 | 35,511 |
| North America Cities by Map | 0 | - | 4.41 | 47,889 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,634 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,916 |
| ALL California Cities | 0 | - | 4.37 | 43,170 |
| Random European City to Country | 0 | - | 4.69 | 118,210 |
| Random Asian City to Country | 0 | - | 4.56 | 44,582 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,430 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,536 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,106 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,715 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,999 |
| Name a City - U.S. States | 0 | - | 4.39 | 29,720 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,353 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,277 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,442 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,395 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,057 |
