| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,743 |
| North America Map Quiz | 0 | - | 4.98 | 248,611 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,173 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,111 |
| Most Common High School Mascots | 0 | - | 4.47 | 32,132 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,685 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,504 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,009 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,540 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,443 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,845 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,318 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,639 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,023 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,333 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,540 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,622 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,245 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,590 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,488 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,489 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,481 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,361 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,090 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,950 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,715 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,804 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,342 |
| North American Physical Geography | 0 | - | 4.35 | 30,419 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,263 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,964 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,668 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,528 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,115 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,359 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,884 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,244 |
| US States Quiz | 0 | - | 5.00 | 16,879,556 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,108 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,653 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,244 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,131 |
| Pixelated United States Map | 0 | - | 4.87 | 94,284 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,706 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,783 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,813 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,889 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,448 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,461 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,033 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,322 |
| U.S. States By Population | 0 | - | 4.92 | 153,561 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,469 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,450 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,536 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,324 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,218 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,636 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,000 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,732 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,207 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,518 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,250 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,538 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,580 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,193 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,734 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,699,539 |
| US States with an Empty Map | 0 | - | 5.00 | 624,753 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,179 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,463 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,486 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,687 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,630 |
| Draw All US State Borders | 0 | - | 4.99 | 137,679 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,777 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,485 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,851 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,069 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,235 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,561 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,292 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,531 |
| Australian Capitals | 0 | - | 4.92 | 62,727 |
| Territories of the United States | 0 | - | 4.80 | 52,402 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,679 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,483 |
| Rivers of the United States | 0 | - | 4.93 | 66,212 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,198 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,374 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,120 |
| New York City Geography | 0 | - | 4.42 | 33,104 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,992 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,489 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,665 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,679 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,087 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,912 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,150 |
| Official European Union Languages | 0 | - | 4.97 | 238,559 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,892 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,282 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,363 |
| Asia Map Quiz | 0 | - | 4.99 | 917,070 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,852 |
| African East Coast | 0 | - | 4.96 | 96,092 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,910 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,727 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,270 |
| New World Crops | 0 | - | 4.38 | 30,887 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,530 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,587 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,180 |
| United States Country Quiz | 0 | - | 4.43 | 101,536 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,888 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,187 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 426,555 |
| Hawaiian Islands | 0 | - | 4.83 | 42,719 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,322 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,539,863 |
| U.S. State Flags | 0 | - | 4.89 | 170,557 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,981 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,842 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,251 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,136 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,328 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,661 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,973 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,812 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,089 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,997 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,304 |
| The Only European Country ... | 0 | - | 4.91 | 216,715 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,187 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,961 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,846 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,989 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,000 |
| Countries of Africa | 0 | - | 5.00 | 2,537,871 |
| Australia Map Quiz | 0 | - | 4.95 | 344,661 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,428 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,874 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,465 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,236 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,718 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,512 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 69,157 |
| 75 Americans Named John | 0 | - | 4.41 | 23,905 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,988 |
| First Names of U.S. Presidents | 0 | - | 4.86 | 381,753 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 191,853 |
| Play-Doh Presidents | 0 | - | 5.00 | 82,313 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,894 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,350 |
| New York True or False? | 0 | - | 4.53 | 33,830 |
| The Most Recent... United States | 0 | - | 4.45 | 18,453 |
| New England States | 0 | - | 4.51 | 59,811 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,821 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,014 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,825 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,013 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,936 |
| U.S. States by Borders | 0 | - | 4.61 | 35,319 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,547 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,882 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,485 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,047 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,229 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,671 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 33,043 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,678 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,201 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,386 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,688 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,917 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,865 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,424 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,585 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,984 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,914 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,403 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,538 |
| Celtic Nations | 0 | - | 4.69 | 46,952 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,774 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,153 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,982 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,535 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,024 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,608 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,270 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,285 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,555 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,103 |
| African Island Countries | 0 | - | 4.96 | 101,658 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,449 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,305 |
| Australian States and Territories | 0 | - | 4.96 | 142,005 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,294 |
| Australia True or False | 0 | - | 4.87 | 56,867 |
| Flags of North and South America | 0 | - | 4.99 | 373,196 |
