| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,517,410 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 73,929 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 48,942 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 60,779 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 123,868 |
| Random U.S. City to State | 0 | - | 4.43 | 65,192 |
| US States Quiz | 0 | - | 5.00 | 14,599,911 |
| Name a Valid U.S. State #1 | 0 | - | 4.95 | 183,311 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,350 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 62,036 |
| Name a Valid European Capital | 0 | - | 4.92 | 103,823 |
| Africa Capitals Quiz | 0 | - | 4.99 | 628,411 |
| Asia Capitals Quiz | 0 | - | 4.98 | 588,510 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,910 |
| Boroughs of New York City | 0 | - | 4.44 | 76,458 |
| Fifty US States in One Minute | 0 | - | 4.55 | 3,219,798 |
| Category Elimination - U.S. States #1 | 0 | - | 4.91 | 193,380 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 90,496 |
| Random African Capitals on a Map | 0 | - | 4.95 | 47,763 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,727 |
| Random European Capitals on a Map | 0 | - | 4.97 | 106,120 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 79,294 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.86 | 38,850 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 81,410 |
| Which City in Europe? | 0 | - | 4.85 | 96,890 |
| U.S. States with the Longest International Borders | 0 | - | 4.81 | 40,009 |
| US States with an Empty Map | 0 | - | 5.00 | 549,500 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 70,440 |
| Louisiana Purchase with a Map | 0 | - | 4.94 | 35,580 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 115,063 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,909 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,716 |
| ALL California Cities | 0 | - | 4.34 | 38,857 |
| Name a City - U.S. States | 0 | - | 4.41 | 24,329 |
| Europe Capital to Country | 0 | - | 4.99 | 218,369 |
| Asia Capital to Country | 0 | - | 4.96 | 105,112 |
| EU Capitals with No Hints | 0 | - | 4.95 | 123,394 |
| European Capitals by Map | 0 | - | 4.99 | 91,304 |
| African Capitals by Map | 0 | - | 4.99 | 109,184 |
| Asian Capitals by Map | 0 | - | 4.98 | 46,129 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 78,181 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,434 |
| European Coastal Capitals | 0 | - | 4.95 | 76,585 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,319 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 225,632 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 192,028 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 75,771 |
| U.S. Cities Chain | 0 | - | 4.04 | 18,349 |
| Word Scramble - U.S. Cities | 0 | - | 4.07 | 18,345 |
| World Capitals Quiz | 0 | - | 5.00 | 4,465,338 |
| South America Capitals Quiz | 0 | - | 5.00 | 416,055 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 50,686 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,640 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.58 | 43,875 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,280 |
| US State Capitals - One Minute Sprint | 0 | - | 4.08 | 162,569 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,198 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 37,324 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.64 | 1,233,469 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 70,476 |
| U.S. City Nicknames | 0 | - | 4.22 | 99,124 |
| Official Cities in the UK | 0 | - | 4.87 | 230,474 |
| Cities Founded by the French in North America | 0 | - | 4.51 | 38,455 |
| Every City in Washington State on a Map | 0 | - | 4.47 | 8,432 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,352 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,624 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,719 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,402 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,423 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,570 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,540 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,521 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,158 |
| Which City in Canada? | 0 | - | 4.89 | 44,951 |
| New York City Trivia #1 | 0 | - | 4.13 | 33,727 |
| Washington D.C. Trivia | 0 | - | 4.43 | 31,186 |
| U.S. States that Border Canada | 0 | - | 4.90 | 165,106 |
| Random European City to Country | 0 | - | 4.72 | 105,755 |
| Random Asian City to Country | 0 | - | 4.52 | 33,491 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 91,443 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.65 | 5,480 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,371,135 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,093 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,384 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 21,588 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.47 | 25,004 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 30,143 |
| Dallas City Trivia | 0 | - | 4.47 | 6,010 |
| Sports Teams by State Quiz | 0 | - | 4.18 | 91,056 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,879 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,989 |
| 500 Biggest US Cities | 0 | - | 4.85 | 96,583 |
| 1M Cities by Proximity - United States | 0 | - | 4.49 | 136,058 |
| California Cities starting with SAN or SANTA | 0 | - | 4.24 | 10,945 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,295 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,588 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,740 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,967 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,144 |
| Word Scramble - European Capitals | 0 | - | 4.77 | 86,743 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,278 |
| Name a Valid Asian Capital | 0 | - | 4.52 | 54,594 |
| Random European Capital to Country | 0 | - | 4.97 | 151,734 |
| Random European Country to Capital | 0 | - | 4.92 | 134,184 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,125 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,488 |
| Random African Capital to Country | 0 | - | 4.97 | 78,672 |
| Random African Country to Capital | 0 | - | 4.94 | 61,456 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,171 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,573 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 18,894 |
| U.S. States by Clue #1 | 0 | - | 4.46 | 32,980 |
| Name a Valid U.S. State #2 | 0 | - | 4.64 | 68,631 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,513 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,776 |
| U.S. Cities A-Z | 0 | - | 4.26 | 30,567 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 63,180 |
| Global Cities on a World Map | 0 | - | 4.93 | 90,789 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,027 |
| Every City in Colorado on a Map | 0 | - | 4.40 | 8,110 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,220 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,212 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 33,861 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 89,910 |
| Same Letter Country and Capital | 0 | - | 4.99 | 126,229 |
| Countries by Capital City | 0 | - | 4.99 | 48,474 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,394 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 98,529 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,302 |
| Moved Capital Cities | 0 | - | 4.94 | 51,969 |
| Bay Area or Los Angeles Suburb | 0 | - | 4.43 | 13,708 |
| European Cities by Clue | 0 | - | 4.72 | 84,823 |
| Neighborhoods of New York City | 0 | - | 4.36 | 19,173 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 123,557 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.95 | 270,432 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 34,731 |
| US States by Borders in 30 Seconds | 0 | - | 4.76 | 2,366,862 |
| Category Elimination - U.S. States #2 | 0 | - | 4.79 | 114,293 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,424 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,480 |
| Summer Olympic City Bids | 0 | - | 4.93 | 36,940 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.38 | 34,735 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,866 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,815 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,653 |
| Cities by Former Name | 0 | - | 4.85 | 70,743 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,258 |
| Nearest Capital City #1 | 0 | - | 4.81 | 52,231 |
| World Capitals by Proximity | 0 | - | 4.87 | 284,767 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,601 |
| World Capitals by Map | 0 | - | 5.00 | 238,670 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 49,977 |
| Random Capital to Country | 0 | - | 4.99 | 2,345,726 |
| Random Country to Capital | 0 | - | 4.98 | 796,077 |
| World Capitals By Letter - H | 0 | - | 4.85 | 70,821 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,499 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,426 |
| World Capitals By Letter - P | 0 | - | 4.85 | 66,625 |
| World Capitals By Letter - R | 0 | - | 4.87 | 71,888 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,029 |
| World Capitals By Letter - W | 0 | - | 4.88 | 81,800 |
| World Capitals By Letter - A | 0 | - | 4.96 | 103,879 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,223 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,468 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 30,844 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.23 | 13,200 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 31,825 |
| Los Angeles City Quiz | 0 | - | 4.11 | 29,688 |
| Philadelphia Trivia | 0 | - | 4.29 | 20,388 |
| The New Orleans Quiz | 0 | - | 4.05 | 19,659 |
| Countries Closest to Alaska | 0 | - | 4.92 | 98,333 |
| Countries Closest to Maine | 0 | - | 4.84 | 58,433 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 20,912 |
| Rivers of the United States | 0 | - | 4.93 | 49,141 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 456,429 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 99,404 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 99,995 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,153 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 56,917 |
| Important Cities in European History | 0 | - | 4.56 | 109,395 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,560 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,322 |
| European Cities by Map #1 | 0 | - | 4.59 | 51,632 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,843 |
| Mediterranean Cities by Map | 0 | - | 4.47 | 49,035 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,374 |
| Cities in Squares on a Map - Europe | 0 | - | 4.76 | 45,373 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 233,694 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.36 | 175,783 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 105,743 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,014 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.40 | 22,597 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,207 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.37 | 19,608 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,559 |
| Which City in the United States? | 0 | - | 4.19 | 52,473 |
| Which City in Africa? | 0 | - | 4.77 | 53,961 |
| Which City in the Middle East? | 0 | - | 4.47 | 50,684 |
| Which City in Asia? | 0 | - | 4.45 | 39,718 |
| Which City in Latin America? | 0 | - | 4.57 | 38,276 |
