| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,722 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,189 |
| US States Quiz | 0 | - | 5.00 | 16,927,645 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,019 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,752 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,632 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,812 |
| Middle East A-Z | 0 | - | 4.47 | 46,161 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,535 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,462 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,334 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,353 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,317 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,051 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,188 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,514 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,363 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,527 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,131 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,406 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,708 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,452 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,306 |
| Canada A-Z | 0 | - | 4.73 | 32,901 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,190 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,256 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,753 |
| California Cities A-Z | 0 | - | 4.06 | 17,324 |
| Texas A-Z | 0 | - | 4.19 | 16,396 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,215 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,894 |
| US States with an Empty Map | 0 | - | 5.00 | 626,290 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,457 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,586 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,243 |
| Rivers of the United States | 0 | - | 4.93 | 66,385 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,638 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,284 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,570 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,369 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,016 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,392 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,038 |
| European Geography A-Z | 0 | - | 4.29 | 49,377 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,963 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,960 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,223 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,699 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,701 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,260 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,995 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,677 |
| France A-Z | 0 | - | 4.16 | 38,276 |
| Switzerland A-Z | 0 | - | 4.45 | 25,698 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,543 |
| Africa A-Z | 0 | - | 4.57 | 46,693 |
| People on Money - United States | 0 | - | 4.31 | 63,383 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,546,250 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,549 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,714 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,335 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,937 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,050 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,452 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,845 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,396 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,060 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,403 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,247 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,058 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,322 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,893 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,932 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,670 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,182 |
| London A-Z | 0 | - | 4.10 | 40,826 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,289 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,863 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,520 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,031 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,490 |
| Countries that Start with A | 0 | - | 4.98 | 2,167,856 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,105 |
| Countries that Start with C | 0 | - | 4.96 | 1,825,862 |
| Countries that Start with D | 0 | - | 4.96 | 712,386 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,376 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,630 |
| Countries that Start with H | 0 | - | 4.96 | 606,673 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,836 |
| Countries that Start with J | 0 | - | 4.98 | 604,248 |
| Countries that Start with K | 0 | - | 4.97 | 817,822 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,158 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,209 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,564 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,249 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,685 |
| Countries that Start with U | 0 | - | 4.97 | 905,959 |
| Countries that Start with V | 0 | - | 4.98 | 610,382 |
| Countries that Start with F | 0 | - | 4.83 | 619,090 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,424 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,816 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,130 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,587 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,869 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,397 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,165 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,800 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,394,364 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,686,204 |
| Turkey A-Z | 0 | - | 4.04 | 11,875 |
| African Geography A-Z | 0 | - | 4.33 | 21,502 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,958 |
| U.S. Geography by Letter - W | 0 | - | 3.86 | 23,612 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,546 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,827 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,606 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,611 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,340 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,101 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,559 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,049 |
| U.S. Bill of Rights | 0 | - | 4.53 | 32,560 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,056 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,939 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,276 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,406 |
| Six Flags Over Texas | 0 | - | 4.78 | 63,465 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,005 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,916 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,858 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,962 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,009 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,331 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,617 |
| O Canada Lyrics | 0 | - | 4.47 | 50,990 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,671 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,309 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,660 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,510 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,195 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,934 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,570 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,044 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,178 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,470 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,153 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,033 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,301 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,898 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,853 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,323 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,853 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,820 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,148 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,766 |
| The Bible A-Z | 0 | - | 4.29 | 59,867 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,619 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,852 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,580 |
| 17th Century A-Z | 0 | - | 4.78 | 34,691 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,960 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,696 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,022 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,275 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,746 |
| Arms Exports - United States | 0 | - | 4.77 | 62,553 |
| American Founding Fathers | 0 | - | 4.42 | 23,247 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,156 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,804 |
| Famous People from California by Picture | 0 | - | 4.32 | 36,548 |
| California Groups of Things | 0 | - | 4.25 | 45,542 |
| State Quiz - Florida | 0 | - | 4.47 | 62,450 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,469 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,633 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,295 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,775 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,449 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,536 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,872 |
| New York Groups of Things | 0 | - | 4.35 | 64,419 |
| State Quiz - New York | 0 | - | 4.52 | 46,242 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,224 |
| State Quiz - Texas | 0 | - | 4.43 | 62,991 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,126 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,245 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,380 |
| State Quiz - Washington | 0 | - | 4.45 | 36,517 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,514 |
| 100 Most Influential Figures in U.S. History | 0 | - | 4.20 | 45,140 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,838 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.75 | 38,494 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,236 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,816 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,605 |
| U.S. States with the Most Billionaires | 0 | - | 4.51 | 50,466 |
| U.S. States With Palm Trees | 0 | - | 4.52 | 45,848 |
| Top U.S. States in Crude Oil Production | 0 | - | 4.51 | 41,107 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,577 |
| U.S. States by Emoji | 0 | - | 4.48 | 101,107 |
