| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,522 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,536 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,344 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,186 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,353 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,736 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,048 |
| Random European Capital to Country | 0 | - | 4.98 | 189,195 |
| Random European Country to Capital | 0 | - | 4.92 | 147,442 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,393 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,406 |
| Random African Capital to Country | 0 | - | 4.97 | 99,737 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,180 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,685 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,937 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,072 |
| Name a City - European Countries | 0 | - | 4.92 | 64,383 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,157 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,843 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,339 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,799 |
| Europe Capital to Country | 0 | - | 4.99 | 247,750 |
| Asia Capital to Country | 0 | - | 4.96 | 125,747 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,442 |
| European Capitals by Map | 0 | - | 4.99 | 136,240 |
| African Capitals by Map | 0 | - | 4.99 | 132,161 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,218 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,121 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,176 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,596 |
| European Coastal Capitals | 0 | - | 4.95 | 89,741 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,179 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,769 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,780 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,418 |
| New York City A-Z | 0 | - | 4.18 | 32,191 |
| Official Cities in the UK | 0 | - | 4.89 | 280,503 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,208 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,836 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,662 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,406 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,113 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,172 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,700 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,441 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,760 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,517 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,907 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,655 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,523 |
| US States and State Capitals | 0 | - | 4.99 | 158,483 |
| Which City in California? | 0 | - | 4.56 | 31,878 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,398 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,191 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,922 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,791 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,804 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,395 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,821 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,826 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,663 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,582 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,028 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,922 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,788 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,331 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,845 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,466 |
| Capitals of the Stans | 0 | - | 4.95 | 26,403 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,387 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,399 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,715 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,693 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,595 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,971 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,801 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,859 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,439 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,796 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,196 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,262 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,623 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,814 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,794 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,033 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,123 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,762 |
| Which City in Europe? | 0 | - | 4.83 | 106,612 |
| Which City in Texas? | 0 | - | 4.45 | 24,971 |
| Which City in Florida? | 0 | - | 4.61 | 10,922 |
| Vietnam War Countries | 0 | - | 4.83 | 93,602 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,422 |
| British Places A-Z | 0 | - | 4.29 | 79,604 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,545 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,747 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,665 |
| Random U.S. City to State | 0 | - | 4.45 | 75,317 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,012 |
| Find the City #1 | 0 | - | 4.97 | 42,099 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,189 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,933 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,646 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,596 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,608 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,426 |
| Countries by Capital City | 0 | - | 5.00 | 66,630 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,318 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,900 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,343 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,405 |
| Moved Capital Cities | 0 | - | 4.96 | 73,581 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,218 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,560 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,525 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,147 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,009 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,576 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,654 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,056 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,801 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 38,992 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,329 |
| Which City in Canada? | 0 | - | 4.83 | 56,651 |
| Boroughs of New York City | 0 | - | 4.47 | 84,093 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,659 |
| Chicago A-Z | 0 | - | 4.25 | 15,456 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 98,738 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 113,443 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.92 | 33,742 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 82,279 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,281 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,939 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,745 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,606 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,109 |
| North American Sports Cities | 0 | - | 4.83 | 170,888 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,915 |
| Cities in European History #1 | 0 | - | 4.63 | 133,111 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,194 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,564 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,726 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,717 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,183 |
| Name a Valid World City | 0 | - | 4.83 | 70,125 |
| Cities by Former Name | 0 | - | 4.84 | 90,960 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,687 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,233 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,926 |
| World Capitals by Map | 0 | - | 5.00 | 283,170 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,659 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,846 |
| Random Country to Capital | 0 | - | 4.98 | 911,523 |
| Capitals Starting With H | 0 | - | 4.90 | 90,888 |
| Capitals Starting With K | 0 | - | 4.85 | 75,681 |
| Capitals Starting With L | 0 | - | 4.81 | 86,829 |
| Capitals Starting With M | 0 | - | 4.93 | 106,042 |
| Capitals Starting With P | 0 | - | 4.88 | 77,186 |
| Capitals Starting With R | 0 | - | 4.87 | 80,969 |
| Capitals Starting With S | 0 | - | 4.89 | 84,799 |
| Capitals Starting With T | 0 | - | 4.84 | 75,286 |
| Capitals Starting With W | 0 | - | 4.89 | 90,604 |
| Capitals Starting With A | 0 | - | 4.97 | 126,544 |
| Capitals Starting With B | 0 | - | 4.89 | 117,287 |
| Capitals Starting With D | 0 | - | 4.93 | 95,375 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,569 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,032 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,526 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,495 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,036 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,925 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,979 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,840 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,978 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,825 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,534 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,466 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,660 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,306 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,400 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,321 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,145 |
| South American Cities on the Map | 0 | - | 4.57 | 35,242 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,188 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,109 |
| ALL California Cities | 0 | - | 4.36 | 42,813 |
| Random European City to Country | 0 | - | 4.69 | 116,308 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,676 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,183 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,089 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,635 |
