| US States and State Capitals | 0 | - | 4.99 | 164,655 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,488 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,622 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,444 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,634 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,338 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,222 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,342 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,408 |
| Name a City - European Countries | 0 | - | 4.90 | 65,964 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,472 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,590 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,598 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,703 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,768 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,100 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,754 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,222 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,691 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,501 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Miami City Trivia | 0 | - | 4.60 | 11,257 |
| Dallas City Trivia | 0 | - | 4.46 | 6,857 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,138 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,468 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Europe Capital to Country | 0 | - | 4.99 | 251,636 |
| Asia Capital to Country | 0 | - | 4.96 | 127,224 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,677 |
| European Capitals by Map | 0 | - | 4.99 | 141,498 |
| African Capitals by Map | 0 | - | 4.99 | 141,558 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,982 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,647 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,663 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,002 |
| European Coastal Capitals | 0 | - | 4.95 | 91,113 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,088 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,866 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,359 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,064 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 83,316 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,733 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,375 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,742 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,953 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,812 |
| Official Cities in the UK | 0 | - | 4.89 | 285,525 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,425 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,105 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,805 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,571 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,011 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,428 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,873 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,268 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,473 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,798 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,497 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,593 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,659 |
| U.S. State Flags | 0 | - | 4.89 | 172,200 |
| Hawaiian Islands | 0 | - | 4.83 | 42,864 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,223 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.95 | 194,440 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,665 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,733 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,482 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,875 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,467 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,301 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,935 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,757 |
| Boroughs of New York City | 0 | - | 4.47 | 84,866 |
| All About Atlanta | 0 | - | 4.60 | 11,279 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,792 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,056 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,511 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,552,316 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,050 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,293 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,827 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,620 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,993 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,202 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,729 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,959 |
| Random European Capital to Country | 0 | - | 4.98 | 191,860 |
| Random European Country to Capital | 0 | - | 4.93 | 165,680 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,887 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,279 |
| Random African Capital to Country | 0 | - | 4.97 | 101,159 |
| Random African Country to Capital | 0 | - | 4.94 | 71,629 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,613 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,601 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,281 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,927 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,016 |
| Which City in the United States? | 0 | - | 4.21 | 57,138 |
| Los Angeles City Quiz | 0 | - | 4.15 | 30,760 |
| Pennsylvania Counties | 0 | - | 4.50 | 53,189 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,643 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,410 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,413 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,012 |
| Find the City #1 | 0 | - | 4.97 | 43,222 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,744 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,936 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,821 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,006 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,945 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,830 |
| Countries by Capital City | 0 | - | 5.00 | 69,110 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,678 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,072 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,180 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,115 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,645 |
| Moved Capital Cities | 0 | - | 4.96 | 74,542 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,157 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,287 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,242 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,752 |
| Bay Area or Los Angeles Suburb | 0 | - | 4.40 | 15,086 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,690,039 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,396,911 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,276 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,991 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,691 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,320 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,901 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,608 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,918 |
| Random U.S. City to State | 0 | - | 4.45 | 76,764 |
| Name a City - U.S. States | 0 | - | 4.40 | 30,125 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,541 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,398 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,781 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,022 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,542 |
| Random Country to Capital | 0 | - | 4.98 | 925,684 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,108 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,758 |
| Which City in California? | 0 | - | 4.56 | 32,136 |
| Seattle City Trivia | 0 | - | 4.21 | 26,516 |
| Philadelphia Trivia | 0 | - | 4.26 | 22,060 |
| New Orleans City Trivia | 0 | - | 4.09 | 20,188 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,917 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,462 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,120 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,973 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,325 |
| Rivers of the United States | 0 | - | 4.93 | 66,542 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 633,213 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,093 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,295 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,216 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,400 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,457 |
| North American Sports Cities | 0 | - | 4.83 | 172,960 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities in European History #1 | 0 | - | 4.63 | 134,455 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,426 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,192 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,806 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,346 |
| Name a Valid World City | 0 | - | 4.84 | 71,770 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,609 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,892 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,701 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,649 |
| World Capitals by Map | 0 | - | 5.00 | 288,675 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,691 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,233 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,873 |
| Capitals Starting With H | 0 | - | 4.91 | 92,991 |
| Capitals Starting With K | 0 | - | 4.88 | 84,039 |
| Capitals Starting With L | 0 | - | 4.81 | 90,815 |
| Capitals Starting With M | 0 | - | 4.93 | 108,545 |
| Capitals Starting With P | 0 | - | 4.88 | 78,638 |
| Capitals Starting With R | 0 | - | 4.88 | 82,196 |
