| Southernmost Countries A-Z | 0 | - | 4.94 | 153,555 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,654 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,254 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,321 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,877 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,868 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,203 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,560 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,506 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,521 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,151 |
| Middle East A-Z | 0 | - | 4.47 | 46,015 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,108 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,310 |
| African Geography A-Z | 0 | - | 4.33 | 21,478 |
| Canada A-Z | 0 | - | 4.73 | 32,833 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,034 |
| African East Coast | 0 | - | 4.96 | 96,059 |
| European Geography A-Z | 0 | - | 4.29 | 49,265 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 150,162 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,153 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,033 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,406 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,367 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,506 |
| France A-Z | 0 | - | 4.16 | 38,203 |
| Switzerland A-Z | 0 | - | 4.45 | 25,646 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,235 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,851 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,965 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,615 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,512 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,648 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,538 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,841 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,696 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,008 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,434 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,600 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,135 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,697 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,411 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,901 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,366 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,028 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,876 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,366 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,335 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,223 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,212 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,451 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,441 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,150 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,917 |
| Countries that Start with D | 0 | - | 4.96 | 709,498 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,056 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,147 |
| Countries that Start with H | 0 | - | 4.96 | 604,676 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,223 |
| Countries that Start with J | 0 | - | 4.98 | 602,364 |
| Countries that Start with K | 0 | - | 4.97 | 815,723 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,643 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,619 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,030 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,674 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,772 |
| Countries that Start with U | 0 | - | 4.97 | 904,445 |
| Countries that Start with V | 0 | - | 4.98 | 609,320 |
| Countries that Start with F | 0 | - | 4.83 | 617,552 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,570 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 59,063 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,848 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,631 |
| African Great Lakes | 0 | - | 4.82 | 66,245 |
| South America A-Z | 0 | - | 4.13 | 10,905 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,417 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,863 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,600 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,635 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,920 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,053 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,720 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,537 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,175 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,735 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,926 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,515 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,187 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,082 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,920 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,200 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,778 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,720 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,225 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,717 |
| The Bible A-Z | 0 | - | 4.29 | 59,769 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,793 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,483 |
| 17th Century A-Z | 0 | - | 4.78 | 34,636 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,886 |
| American Football A-Z | 0 | - | 4.26 | 14,523 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,102 |
| African Physical Geography | 0 | - | 4.51 | 31,700 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,753 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,082 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,092 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,085 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,777 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,857 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,329 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,134 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,303 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,124 |
| Russian History A-Z | 0 | - | 4.38 | 31,711 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,140 |
| London A-Z | 0 | - | 4.10 | 40,773 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,145 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 27,935 |
| Military History A-Z | 0 | - | 4.20 | 21,163 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,316,613 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,509 |
| Human Body A-Z | 0 | - | 4.51 | 129,172 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,616 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,771 |
| Famous People from Africa | 0 | - | 4.45 | 10,949 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,965 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,379 |
| Word Chain - Africa | 0 | - | 4.47 | 31,615 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,188 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,122 |
| Official European Union Languages | 0 | - | 4.97 | 238,496 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,840 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,767 |
| Famous Germans | 0 | - | 4.50 | 55,291 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,492 |
| Turkey A-Z | 0 | - | 4.04 | 11,849 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,199 |
| Countries that Start with R | 0 | - | 4.43 | 447,579 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,787 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,149 |
| Geography of South Africa | 0 | - | 4.54 | 17,245 |
| History of South Africa | 0 | - | 4.60 | 17,688 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,251 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,744 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,767 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,029 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,492 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 31,019 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,176 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,197 |
| Asia Map Quiz | 0 | - | 4.99 | 916,709 |
| A Quiz About Islam | 0 | - | 4.31 | 48,440 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,845 |
| Basketball A-Z | 0 | - | 3.87 | 22,700 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,127 |
| Mountains A-Z | 0 | - | 3.78 | 10,955 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,374 |
| Countries of Africa | 0 | - | 5.00 | 2,536,816 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,822 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,754 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,870 |
| Provinces of South Africa | 0 | - | 4.74 | 21,705 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| Australia Map Quiz | 0 | - | 4.95 | 344,599 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,462 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,358 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,115 |
| California Cities A-Z | 0 | - | 4.06 | 17,244 |
| Hawaii A-Z | 0 | - | 4.28 | 13,449 |
| Texas A-Z | 0 | - | 4.19 | 16,372 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,551 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,067 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,239 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,649 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,016 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,447 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,984 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,229 |
| The Only European Country ... | 0 | - | 4.91 | 216,603 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,117 |
| Famous French People | 0 | - | 4.06 | 35,571 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,965 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,890 |
| Japanese Companies | 0 | - | 4.28 | 34,227 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,315 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,114 |
| Countries with NO Military | 0 | - | 4.97 | 62,284 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,457 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,456 |
| Monarchies of the World | 0 | - | 4.94 | 168,659 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,595 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,833 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,352 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,135 |
| Disney Animated Characters | 0 | - | 4.88 | 601,432 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,595 |
| Fast Math - Addition | 0 | - | 4.87 | 522,813 |
| NATO Countries | 0 | - | 4.98 | 280,335 |
