| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,608 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,539 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,883 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,354 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,367 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,748 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,909 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,656 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,525 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,395 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,428 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,946 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,080 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| US States Quiz | 0 | - | 5.00 | 16,700,434 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,597 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,397 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,797 |
| 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 |
| US States with an Empty Map | 0 | - | 5.00 | 618,822 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,237 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,560 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,149 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,009 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,789 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,334 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,714 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,582 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,937 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,718 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,701 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,596 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,833 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,701 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,256 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,065 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,675 |
| Random U.S. City to State | 0 | - | 4.45 | 75,319 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,013 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,196 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,187 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,847 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,200 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,874 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,447 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,057 |
| Random European Capital to Country | 0 | - | 4.98 | 189,205 |
| Random European Country to Capital | 0 | - | 4.92 | 147,447 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,398 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,410 |
| Random African Capital to Country | 0 | - | 4.97 | 99,738 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,965 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,730 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,356 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,412 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,668 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,904 |
| U.S. States By Population | 0 | - | 4.92 | 152,364 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,402 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,864 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,550 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,764 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,879 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,793 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,970 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,185 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,692 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| Boroughs of New York City | 0 | - | 4.47 | 84,096 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,093 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,930 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,273 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,147 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,351 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,814 |
| ALL California Cities | 0 | - | 4.36 | 42,813 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,387 |
| Europe Capital to Country | 0 | - | 4.99 | 247,826 |
| Asia Capital to Country | 0 | - | 4.96 | 125,755 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,451 |
| European Capitals by Map | 0 | - | 4.99 | 136,261 |
| African Capitals by Map | 0 | - | 4.99 | 132,175 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,182 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,608 |
| European Coastal Capitals | 0 | - | 4.95 | 89,752 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,183 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,788 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,796 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,422 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,863 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,658 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,551 |
| Official Cities in the UK | 0 | - | 4.89 | 280,528 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,091 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,857 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,667 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,121 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,175 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,449 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.66 | 10,824 |
| American TV Show Settings | 0 | - | 4.35 | 30,586 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,199 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,278 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,931 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,794 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,834 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,664 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,550 |
| US States and State Capitals | 0 | - | 4.99 | 158,510 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,659 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,906 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,786 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,945 |
| States of Mexico | 0 | - | 4.95 | 173,334 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,580 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,384 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,406 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,277 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,029 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,663 |
| Capitals of the Stans | 0 | - | 4.95 | 26,403 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,270 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,445 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,730 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,779 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,497 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,531 |
| South American Cities on the Map | 0 | - | 4.57 | 35,242 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,437 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,633 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,470 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,979 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,583 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,031 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,766 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,459 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,851 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,358 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,972 |
| Pixelated United States Map | 0 | - | 4.89 | 93,475 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,415 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,000 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 39,697 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,482 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,694 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,271 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,480 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,425 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,753 |
| Find the City #1 | 0 | - | 4.97 | 42,102 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,944 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,651 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,602 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,620 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,436 |
| Countries by Capital City | 0 | - | 5.00 | 66,643 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,327 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,904 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,367 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,797 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,405 |
| Moved Capital Cities | 0 | - | 4.96 | 73,584 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,630 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,818 |
| Which City in Europe? | 0 | - | 4.83 | 106,617 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,228 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,418 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,573 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,849 |
| Regions of U.S. States | 0 | - | 4.37 | 43,471 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,805 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,493 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,341 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,763 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,195 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,546 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,536 |
| All Cities in Canada on a Map | 0 | - | 4.40 | 18,290 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,923 |
| Random Country to Capital | 0 | - | 4.98 | 911,560 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,655 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,675 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,580 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,033 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,227 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,928 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,767 |
