| Random State Capital to U.S. State | 0 | - | 4.84 | 89,110 |
| US States and State Capitals | 0 | - | 4.99 | 162,815 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,121 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,877 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,104 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,928 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,978 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,866 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,207 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,751 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,238 |
| Which City in Canada? | 0 | - | 4.83 | 57,100 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,356 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,596 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,544 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,710 |
| Name a City - European Countries | 0 | - | 4.90 | 65,449 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,030 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,224 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,153 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,977 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,783 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,180 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,413 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,783 |
| Europe Capital to Country | 0 | - | 4.99 | 250,503 |
| Asia Capital to Country | 0 | - | 4.96 | 126,728 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,989 |
| European Capitals by Map | 0 | - | 4.99 | 139,438 |
| African Capitals by Map | 0 | - | 4.99 | 133,927 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,790 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,492 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,143 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,488 |
| European Coastal Capitals | 0 | - | 4.95 | 90,665 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,614 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,254 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,197 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,868 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,706 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,617 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,623 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,210 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,884 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,269 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,545 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,703 |
| Official Cities in the UK | 0 | - | 4.89 | 284,040 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,859 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,073 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,378 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,275 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,937 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,505 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,484 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,641 |
| World Capitals Quiz | 0 | - | 5.00 | 5,077,375 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,057 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,539 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,096 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,361 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,885 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,219 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,190 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,424 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,146 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,073 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,337 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,726 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,224 |
| U.S. State Flags | 0 | - | 4.88 | 170,725 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,136 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,599 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,215 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,729 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,358 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,553 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,627 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,156 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,143 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,491 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,589 |
| Click a Valid World Capital A-Z | 0 | - | 4.83 | 90,557 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,851 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,712 |
| Miami City Trivia | 0 | - | 4.60 | 11,238 |
| All About Atlanta | 0 | - | 4.60 | 11,254 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,774 |
| Dallas City Trivia | 0 | - | 4.46 | 6,838 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,567 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,011 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,541,177 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,957 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,329 |
| Capitals of the Stans | 0 | - | 4.95 | 26,866 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,365 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,679 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,968 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,454 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,106 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,458 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,906 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,565 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,361 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,707 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,231 |
| Random European Capital to Country | 0 | - | 4.98 | 191,011 |
| Random European Country to Capital | 0 | - | 4.93 | 165,230 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,507 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,808 |
| Random African Capital to Country | 0 | - | 4.97 | 100,773 |
| Random African Country to Capital | 0 | - | 4.94 | 71,294 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,488 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 183,988 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,985 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,764 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,345 |
| Which City in the United States? | 0 | - | 4.21 | 57,017 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,543 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,258 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,771 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,890 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,257 |
| Find the City #1 | 0 | - | 4.97 | 42,852 |
| Every City in Oregon on a Map | 0 | - | 4.27 | 10,658 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,342 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,464 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,562 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,315 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,113 |
| Countries by Capital City | 0 | - | 5.00 | 68,405 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,235 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,708 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,661 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,016 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,276 |
| Moved Capital Cities | 0 | - | 4.96 | 74,253 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,865 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,011 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,799 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,586 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,637 |
| Which City in Europe? | 0 | - | 4.83 | 107,450 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,682,804 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,392,321 |
| Every City in Texas on a Map | 0 | - | 4.37 | 15,429 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,392 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,780 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,568 |
| Random U.S. City to State | 0 | - | 4.45 | 76,349 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,774 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,285 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,476 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,920 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,508 |
| Random Country to Capital | 0 | - | 4.98 | 921,249 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,033 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,063 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,783 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,057 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,202 |
| Boroughs of New York City | 0 | - | 4.47 | 84,631 |
| Seattle City Trivia | 0 | - | 4.20 | 26,433 |
| Los Angeles City Quiz | 0 | - | 4.15 | 30,737 |
| Philadelphia Trivia | 0 | - | 4.26 | 22,022 |
| New Orleans City Trivia | 0 | - | 4.09 | 20,175 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,418 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,155 |
| Rivers of the United States | 0 | - | 4.93 | 66,236 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,405 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 628,413 |
| U.S. States with the Coldest Hottest Recorded Temperature | 0 | - | 4.47 | 15,963 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,914 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,945 |
| North American Sports Cities | 0 | - | 4.83 | 172,470 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,348 |
| Cities in European History #1 | 0 | - | 4.63 | 134,076 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,361 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,769 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,132 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,441 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,443 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,888 |
| Name a Valid World City | 0 | - | 4.83 | 71,295 |
| Cities by Former Name | 0 | - | 4.83 | 91,611 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,424 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,686 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,492 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,277 |
| World Capitals by Map | 0 | - | 5.00 | 286,750 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,363 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,161 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,524 |
| Capitals Starting With H | 0 | - | 4.91 | 92,627 |
| Capitals Starting With K | 0 | - | 4.88 | 83,641 |
| Capitals Starting With L | 0 | - | 4.81 | 88,157 |
| Capitals Starting With M | 0 | - | 4.93 | 107,906 |
| Capitals Starting With P | 0 | - | 4.88 | 78,260 |
