| US States and State Capitals | 0 | - | 4.99 | 160,178 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,290 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,606 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,607 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,004 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,229 |
| Which City in Canada? | 0 | - | 4.82 | 56,848 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,550 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,969 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,845 |
| Name a City - European Countries | 0 | - | 4.91 | 64,818 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,263 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,406 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,382 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,582 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,670 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,926 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,431 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,398 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,539 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,824 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,988 |
| Miami City Trivia | 0 | - | 4.60 | 11,213 |
| Dallas City Trivia | 0 | - | 4.46 | 6,803 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,017 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,304 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,082 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,435 |
| Europe Capital to Country | 0 | - | 4.99 | 248,871 |
| Asia Capital to Country | 0 | - | 4.96 | 126,155 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,128 |
| European Capitals by Map | 0 | - | 4.99 | 137,699 |
| African Capitals by Map | 0 | - | 4.99 | 132,806 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,146 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,711 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,585 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,957 |
| European Coastal Capitals | 0 | - | 4.95 | 90,098 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,351 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,200 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,754 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,582 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 81,352 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,068 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,648 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,121 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,462 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,978 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,586 |
| Official Cities in the UK | 0 | - | 4.89 | 282,086 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,743 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,103 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,727 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,055 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,169 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,966 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,690 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,577 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,508 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,918 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,814 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,543 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,986 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,594 |
| U.S. State Flags | 0 | - | 4.89 | 168,777 |
| Hawaiian Islands | 0 | - | 4.83 | 42,562 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,628 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 189,207 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,514 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,627 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,613 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,100 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,092 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,723 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,622 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,907 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,727 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,662 |
| Boroughs of New York City | 0 | - | 4.47 | 84,323 |
| All About Atlanta | 0 | - | 4.60 | 11,225 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,738 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,942 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,486 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,527,091 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,502 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,228 |
| Capitals of the Stans | 0 | - | 4.95 | 26,598 |
| Every City in Texas on a Map | 0 | - | 4.36 | 15,176 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,143 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,114 |
| ALL California Cities | 0 | - | 4.37 | 42,929 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,753 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,941 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,640 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,895 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,348 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,292 |
| Random European Capital to Country | 0 | - | 4.98 | 189,750 |
| Random European Country to Capital | 0 | - | 4.92 | 147,861 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,663 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,771 |
| Random African Capital to Country | 0 | - | 4.97 | 100,025 |
| Random African Country to Capital | 0 | - | 4.94 | 70,550 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,322 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,561 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,190 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,902 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,120 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,838 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,221 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,306 |
| Which City in the United States? | 0 | - | 4.21 | 56,842 |
| Los Angeles City Quiz | 0 | - | 4.14 | 30,711 |
| Ohio Counties | 0 | - | 4.47 | 45,610 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,789 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,006 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,840 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,452 |
| Find the City #1 | 0 | - | 4.97 | 42,478 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,523 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,572 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,041 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,039 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,301 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,150 |
| Countries by Capital City | 0 | - | 5.00 | 67,459 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,731 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,237 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,691 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,906 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,692 |
| Moved Capital Cities | 0 | - | 4.96 | 73,875 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,497 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,799 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,209 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,112 |
| Bay Area or Los Angeles Suburb | 0 | - | 4.40 | 15,008 |
| Which City in Europe? | 0 | - | 4.83 | 106,992 |
| US States by Borders in 30 Seconds | 0 | - | 4.69 | 2,671,699 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,385,289 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,895 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,640 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,376 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,039 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,641 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,501 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,071 |
| Random U.S. City to State | 0 | - | 4.45 | 75,727 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,308 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,103 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,098 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,438 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,076 |
| Random Country to Capital | 0 | - | 4.98 | 914,882 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,967 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,596 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,314 |
| Which City in California? | 0 | - | 4.56 | 31,966 |
| Seattle City Trivia | 0 | - | 4.20 | 26,309 |
| Philadelphia Trivia | 0 | - | 4.26 | 21,965 |
| New Orleans City Trivia | 0 | - | 4.09 | 20,159 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,785 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,745 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,774 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,748 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,130 |
| Rivers of the United States | 0 | - | 4.93 | 65,817 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,243 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,746 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,414 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,313 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,039 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,053 |
| North American Sports Cities | 0 | - | 4.83 | 171,369 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,033 |
| Cities in European History #1 | 0 | - | 4.63 | 133,537 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,259 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,640 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,836 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,068 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,482 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,316 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,028 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,450 |
| Name a Valid World City | 0 | - | 4.83 | 70,592 |
| Cities by Former Name | 0 | - | 4.84 | 91,250 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,210 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,444 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,157 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,489 |
| World Capitals by Map | 0 | - | 5.00 | 284,769 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,965 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,047 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,021 |
| Capitals Starting With H | 0 | - | 4.90 | 91,708 |
| Capitals Starting With K | 0 | - | 4.85 | 75,928 |
| Capitals Starting With L | 0 | - | 4.81 | 87,134 |
| Capitals Starting With M | 0 | - | 4.93 | 106,569 |
