| US States and State Capitals | 0 | - | 4.99 | 163,839 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,302 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,345 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,139 |
| Which City in Canada? | 0 | - | 4.83 | 57,190 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,173 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,717 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,621 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,509 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,059 |
| Name a City - European Countries | 0 | - | 4.90 | 65,785 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,365 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,211 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,786 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,300 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,208 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,866 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,083 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,561 |
| Europe Capital to Country | 0 | - | 4.99 | 251,175 |
| Asia Capital to Country | 0 | - | 4.96 | 126,981 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,396 |
| European Capitals by Map | 0 | - | 4.99 | 140,612 |
| African Capitals by Map | 0 | - | 4.99 | 138,594 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,090 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,436 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,793 |
| European Coastal Capitals | 0 | - | 4.95 | 90,937 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,820 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,219 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,878 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,975 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,010 |
| Official Cities in the UK | 0 | - | 4.89 | 284,925 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,160 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,916 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,812 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,282 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,645 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,110 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,373 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,646 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,331 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,485 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,350 |
| U.S. State Flags | 0 | - | 4.89 | 171,608 |
| Hawaiian Islands | 0 | - | 4.83 | 42,805 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,638 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,529 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,772 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,758 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,940 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,339 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,976 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,357 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,900 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,092 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,234 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,734 |
| Boroughs of New York City | 0 | - | 4.47 | 84,781 |
| Seattle City Trivia | 0 | - | 4.21 | 26,479 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 118,292 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,879 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,314 |
| Capitals of the Stans | 0 | - | 4.95 | 26,981 |
| ALL California Cities | 0 | - | 4.37 | 43,138 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,929 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,901 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,655 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,865 |
| Random European Capital to Country | 0 | - | 4.98 | 191,622 |
| Random European Country to Capital | 0 | - | 4.93 | 165,505 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,780 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,121 |
| Random African Capital to Country | 0 | - | 4.97 | 101,000 |
| Random African Country to Capital | 0 | - | 4.94 | 71,481 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,752 |
| Which City in the United States? | 0 | - | 4.21 | 57,083 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,099 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,504 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,063 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,725 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,456 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,093 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,831 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,070 |
| Random U.S. City to State | 0 | - | 4.45 | 76,642 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,196 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,427 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,354 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,548 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,542 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,678 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,922 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,520 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,068 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,015 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,158 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,071 |
| Which City in Europe? | 0 | - | 4.83 | 107,664 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,748 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,846 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,725 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,590 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,506 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,657 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,676 |
| Find the City #1 | 0 | - | 4.97 | 43,076 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,691 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,644 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,805 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,662 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,515 |
| Countries by Capital City | 0 | - | 5.00 | 68,800 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,467 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,906 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,502 |
| Moved Capital Cities | 0 | - | 4.96 | 74,413 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,175 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,681 |
| Random Country to Capital | 0 | - | 4.98 | 923,882 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,183 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,820 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,734 |
| Which City in California? | 0 | - | 4.56 | 32,097 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,066 |
| Miami City Trivia | 0 | - | 4.60 | 11,248 |
| Dallas City Trivia | 0 | - | 4.46 | 6,851 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 631,048 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,992 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,152 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,036 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,349 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,400 |
| North American Sports Cities | 0 | - | 4.83 | 172,752 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,438 |
| Cities in European History #1 | 0 | - | 4.63 | 134,300 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,395 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,820 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,917 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,174 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,556 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,478 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,672 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,181 |
| Name a Valid World City | 0 | - | 4.83 | 71,579 |
| Cities by Former Name | 0 | - | 4.83 | 91,801 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,530 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,819 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,607 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,500 |
| World Capitals by Map | 0 | - | 5.00 | 287,927 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,569 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,198 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,715 |
| Capitals Starting With H | 0 | - | 4.91 | 92,809 |
| Capitals Starting With K | 0 | - | 4.88 | 83,864 |
| Capitals Starting With L | 0 | - | 4.81 | 88,332 |
| Capitals Starting With M | 0 | - | 4.93 | 108,211 |
| Capitals Starting With P | 0 | - | 4.88 | 78,442 |
| Capitals Starting With R | 0 | - | 4.87 | 82,055 |
| Capitals Starting With S | 0 | - | 4.90 | 86,041 |
| Capitals Starting With T | 0 | - | 4.84 | 76,383 |
| Capitals Starting With W | 0 | - | 4.87 | 91,437 |
| Capitals Starting With A | 0 | - | 4.97 | 128,405 |
| Capitals Starting With B | 0 | - | 4.88 | 118,817 |
| Capitals Starting With D | 0 | - | 4.93 | 96,715 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,650 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,528 |
| Which City in Latin America? | 0 | - | 4.63 | 47,092 |
| New York City A-Z | 0 | - | 4.18 | 32,341 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,421 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,792 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,416 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 27,444 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,594 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,837 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,574 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,420 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,952 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,486 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,637 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,318 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,157 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,768 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,654 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,476 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,605 |
| North America Cities by Map | 0 | - | 4.41 | 47,870 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,496 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,728 |
| Random European City to Country | 0 | - | 4.69 | 118,145 |
| Random Asian City to Country | 0 | - | 4.56 | 44,568 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,353 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,049 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,253 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,236 |
