| Countries Bordering Brazil | 0 | - | 4.96 | 131,042 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,271 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,090 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,747 |
| States of Brazil | 0 | - | 4.98 | 86,322 |
| Middle East A-Z | 0 | - | 4.47 | 45,775 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,799 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,879 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,303 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,197 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,527 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,186 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,464 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,059 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,363 |
| European Geography A-Z | 0 | - | 4.28 | 48,985 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 128,605 |
| Africa A-Z | 0 | - | 4.57 | 46,359 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,858 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,968 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,104 |
| France A-Z | 0 | - | 4.16 | 38,052 |
| Switzerland A-Z | 0 | - | 4.45 | 25,501 |
| Asian Cities A-Z by Clue | 0 | - | 4.53 | 34,030 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,338 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,307 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,303 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,987 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,377 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,588 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,349 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,593 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,321 |
| California Cities A-Z | 0 | - | 4.06 | 16,988 |
| Hawaii A-Z | 0 | - | 4.28 | 13,403 |
| Texas A-Z | 0 | - | 4.18 | 16,306 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,512 |
| U.S. History A-Z #1 | 0 | - | 4.39 | 29,311 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,354 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,856 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,793 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,664 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,186 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,838 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,641 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| London A-Z | 0 | - | 4.10 | 40,633 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,819 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,381 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,149 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,553 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,059 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,700 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,102 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,234 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,804 |
| Countries that Start with D | 0 | - | 4.96 | 701,181 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,105 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,328 |
| Countries that Start with H | 0 | - | 4.96 | 597,644 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,947 |
| Countries that Start with J | 0 | - | 4.98 | 595,709 |
| Countries that Start with K | 0 | - | 4.97 | 809,137 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,557 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,424 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,261 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,093 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,979 |
| Countries that Start with U | 0 | - | 4.97 | 899,747 |
| Countries that Start with V | 0 | - | 4.98 | 604,916 |
| Countries that Start with F | 0 | - | 4.83 | 611,947 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,974 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,698 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,872 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,356 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,692 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,338 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,115 |
| African Geography A-Z | 0 | - | 4.33 | 21,414 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,342 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| US States Quiz | 0 | - | 5.00 | 16,693,417 |
| Canada A-Z | 0 | - | 4.73 | 32,641 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,522 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,146 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,187 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,442 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,790 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,260 |
| States of Mexico | 0 | - | 4.95 | 173,274 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,121 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,906 |
| South America A-Z | 0 | - | 4.13 | 10,836 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,074 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,366 |
| Chile Country Quiz | 0 | - | 4.75 | 39,709 |
| Peru Country Quiz | 0 | - | 4.54 | 48,288 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,037 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,832 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,213 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,171 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,421 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,860 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,237 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,454 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,129 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,899 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,281 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,490 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,910 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,682 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,984 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,502 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,491 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,999 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,485 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,430 |
| Turkey A-Z | 0 | - | 4.04 | 11,720 |
| The Bible A-Z | 0 | - | 4.29 | 59,240 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,589 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,645 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,172 |
| 17th Century A-Z | 0 | - | 4.78 | 34,161 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,165 |
| Which South American Country? | 0 | - | 4.69 | 51,711 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,370 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,541 |
| US States with an Empty Map | 0 | - | 5.00 | 618,579 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,661 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,881 |
| WWII A-Z #1 | 0 | - | 4.80 | 102,359 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,309 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,595 |
| Rivers of the United States | 0 | - | 4.93 | 65,485 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,384 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,282 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,419 |
| People on Money - United States | 0 | - | 4.31 | 63,202 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,346 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,605 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,532 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,838 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,627 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,016 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,533 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,634 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,230 |
| Asian Geography By Letter - R | 0 | - | 4.34 | 27,570 |
| Countries that Start with R | 0 | - | 4.43 | 443,452 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,055 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,705 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,230 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,853 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.15 | 16,906 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,718 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,829 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,463 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,441 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,008 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,310 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,063 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,399 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,141 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,797 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,044 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,611 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,960 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,312 |
| History of Mexico | 0 | - | 4.58 | 15,227 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,087 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,168 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,732 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,725 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,910 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,026 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,564 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,070 |
| Russian History A-Z | 0 | - | 4.38 | 30,724 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,436 |
| Asia Map Quiz | 0 | - | 4.99 | 906,698 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,498 |
| A Quiz About Islam | 0 | - | 4.31 | 48,194 |
