| Which City in California? | 0 | - | 4.56 | 31,982 |
| Which City in Texas? | 0 | - | 4.45 | 25,044 |
| Which City in New York State? | 0 | - | 4.60 | 15,940 |
| Which City in Florida? | 0 | - | 4.61 | 10,971 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,759 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,309 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,412 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,903 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,180 |
| Random European Capital to Country | 0 | - | 4.98 | 190,467 |
| Random European Country to Capital | 0 | - | 4.93 | 163,887 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,027 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,153 |
| Random African Capital to Country | 0 | - | 4.97 | 100,353 |
| Random African Country to Capital | 0 | - | 4.94 | 70,953 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,762 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,649 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,552 |
| Name a City - European Countries | 0 | - | 4.91 | 65,079 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,942 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,322 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,575 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,864 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,386 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,957 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,038 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,284 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,703 |
| Europe Capital to Country | 0 | - | 4.99 | 249,325 |
| Asia Capital to Country | 0 | - | 4.96 | 126,351 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,422 |
| European Capitals by Map | 0 | - | 4.99 | 138,262 |
| African Capitals by Map | 0 | - | 4.99 | 133,085 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,009 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,772 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,138 |
| European Coastal Capitals | 0 | - | 4.95 | 90,277 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,428 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,791 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,284 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,679 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,357 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,402 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,008 |
| New York City A-Z | 0 | - | 4.18 | 32,261 |
| Official Cities in the UK | 0 | - | 4.89 | 282,683 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,364 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,762 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,151 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,828 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,879 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,621 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,024 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,983 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,107 |
| US States and State Capitals | 0 | - | 4.99 | 160,838 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,566 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,837 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,663 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,228 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,003 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,840 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,997 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,470 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,037 |
| Capitals of the Stans | 0 | - | 4.95 | 26,681 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,214 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,461 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,615 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,214 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,295 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,830 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,002 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,830 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,096 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,937 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,409 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,029 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,468 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,518 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,621 |
| Which City in Europe? | 0 | - | 4.83 | 107,103 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,927 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,964 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,907 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,691 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,694 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,522 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,170 |
| Random U.S. City to State | 0 | - | 4.45 | 75,955 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,649 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,564 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,175 |
| Find the City #1 | 0 | - | 4.97 | 42,600 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,549 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,169 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,194 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,816 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,416 |
| Countries by Capital City | 0 | - | 5.00 | 67,746 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,878 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,372 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,290 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,869 |
| Moved Capital Cities | 0 | - | 4.96 | 73,973 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,317 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,813 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,366 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,990 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,735 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,630 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,454 |
| Which City in Canada? | 0 | - | 4.82 | 56,922 |
| Boroughs of New York City | 0 | - | 4.47 | 84,429 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,966 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,500 |
| Chicago A-Z | 0 | - | 4.25 | 15,489 |
| Dallas City Trivia | 0 | - | 4.46 | 6,814 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,238 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,786 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,561 |
| North American Sports Cities | 0 | - | 4.83 | 171,622 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,113 |
| Cities in European History #1 | 0 | - | 4.63 | 133,691 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,286 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,679 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,853 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,091 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,365 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,164 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,590 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,454 |
| Name a Valid World City | 0 | - | 4.83 | 70,820 |
| Cities by Former Name | 0 | - | 4.84 | 91,357 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,281 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,523 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,268 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,752 |
| World Capitals by Map | 0 | - | 5.00 | 285,265 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,081 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,427 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,708 |
| Random Country to Capital | 0 | - | 4.98 | 916,865 |
| Capitals Starting With H | 0 | - | 4.90 | 91,864 |
| Capitals Starting With K | 0 | - | 4.85 | 76,044 |
| Capitals Starting With L | 0 | - | 4.81 | 87,273 |
| Capitals Starting With M | 0 | - | 4.93 | 106,781 |
| Capitals Starting With P | 0 | - | 4.88 | 77,553 |
| Capitals Starting With R | 0 | - | 4.87 | 81,318 |
| Capitals Starting With S | 0 | - | 4.89 | 85,185 |
| Capitals Starting With T | 0 | - | 4.84 | 75,656 |
| Capitals Starting With W | 0 | - | 4.87 | 90,938 |
| Capitals Starting With A | 0 | - | 4.97 | 127,104 |
| Capitals Starting With B | 0 | - | 4.89 | 117,761 |
| Capitals Starting With D | 0 | - | 4.93 | 95,831 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,675 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,176 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,019 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,884 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,937 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,376 |
| Which City in Germany? | 0 | - | 4.50 | 136,003 |
| Which City in Italy? | 0 | - | 4.67 | 89,885 |
| Which City in France? | 0 | - | 4.64 | 72,916 |
| Which City in Spain? | 0 | - | 4.50 | 49,852 |
| Which City in Australia? | 0 | - | 4.67 | 34,362 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,531,513 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,102 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,685 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,799 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,168 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,266 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,788 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,513 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,111 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,763 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,471 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,436 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,462 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,376 |
| South American Cities on the Map | 0 | - | 4.56 | 35,349 |
| North America Cities by Map | 0 | - | 4.41 | 47,739 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,688 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,271 |
| ALL California Cities | 0 | - | 4.37 | 42,967 |
| Random European City to Country | 0 | - | 4.69 | 117,377 |
| Random Asian City to Country | 0 | - | 4.56 | 44,455 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,492 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,343 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,541 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,120 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,697 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,626 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,811 |
| Every City in Arizona on a Map | 0 | - | 4.50 | 9,289 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,165 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,799 |
