| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,999 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,639 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,285 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,554 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,743 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,121 |
| US States with an Empty Map | 0 | - | 5.00 | 623,194 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,128 |
| US States Quiz | 0 | - | 5.00 | 16,829,011 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,252 |
| States of Mexico | 0 | - | 4.95 | 175,468 |
| States of Brazil | 0 | - | 4.97 | 87,611 |
| Departments of France | 0 | - | 4.93 | 53,766 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,036 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,022 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,621 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,649 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,124 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,431 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,504 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,171 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,250 |
| Counties of England | 0 | - | 4.97 | 794,665 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,095 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,703 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,367 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,870 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,386 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,595 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,092 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,963 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,322 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,461 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,267 |
| Australian States and Territories | 0 | - | 4.96 | 141,684 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,219 |
| Rivers of the United States | 0 | - | 4.93 | 66,064 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,238 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,632 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,397 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,463 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,384 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,793 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,809 |
| Panama Country Quiz | 0 | - | 4.61 | 25,746 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,001 |
| Regions of Italy | 0 | - | 4.92 | 75,532 |
| States of India | 0 | - | 4.94 | 192,557 |
| Japanese Prefectures | 0 | - | 4.98 | 136,403 |
| Provinces of China | 0 | - | 4.97 | 203,402 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,610 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,542 |
| States of Germany | 0 | - | 4.96 | 151,862 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,989 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,345 |
| Provinces of Turkey | 0 | - | 4.95 | 203,617 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,306 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,635 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,487 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,868 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,971 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,519 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,338 |
| Central American Countries | 0 | - | 4.98 | 155,869 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,295 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,417 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,850 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 147,781 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,445 |
| Regions of New Zealand | 0 | - | 4.85 | 28,460 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,599 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,204 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,774 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,261 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,440 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,297 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,820 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,623 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,001 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,213 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,547 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,446 |
| South American Cities on the Map | 0 | - | 4.56 | 35,375 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,196 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,048 |
| Counties of Ireland | 0 | - | 4.92 | 194,607 |
| Pixelated United States Map | 0 | - | 4.87 | 94,058 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,280 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,382 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,422 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,485 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,473 |
| Asia Map Quiz | 0 | - | 4.99 | 914,315 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,457 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,484 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,388,777 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,613,718 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,399 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,369 |
| Random U.S. City to State | 0 | - | 4.45 | 76,059 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,610 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,689 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,882 |
| Boroughs of New York City | 0 | - | 4.47 | 84,472 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,985 |
| Countries of Africa | 0 | - | 5.00 | 2,529,570 |
| Which South American Country? | 0 | - | 4.69 | 51,892 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,623 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,397 |
| Peru Country Quiz | 0 | - | 4.54 | 48,573 |
| Chile Country Quiz | 0 | - | 4.75 | 39,983 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,809 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,741 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,667 |
| Australia Map Quiz | 0 | - | 4.95 | 343,804 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,916 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,875 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,817 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,190 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,559 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,951 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,742 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,706 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,388 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,290 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,021 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,309 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,557 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,274 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,771 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,295 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,698 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,842 |
| O Canada Lyrics | 0 | - | 4.47 | 50,912 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,726 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,322 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,890 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,304 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,696 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,863 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,643 |
| Name a City - European Countries | 0 | - | 4.90 | 65,173 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,032 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,502 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,025 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,583 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,806 |
| The Only European Country ... | 0 | - | 4.91 | 215,943 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,706 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,753 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,572 |
| Arms Exports - United States | 0 | - | 4.75 | 62,253 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,357 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,094 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,544 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,577 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,237 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,401 |
| Belize Country Quiz | 0 | - | 4.85 | 20,930 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,086 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,443 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,615 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,597 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,766 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,436 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,165 |
| Flags of North and South America | 0 | - | 4.99 | 371,807 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,566 |
| Hawaiian Islands | 0 | - | 4.83 | 42,648 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,052 |
| African East Coast | 0 | - | 4.96 | 95,797 |
| Colonies of Africa with a Map | 0 | - | 4.78 | 54,333 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,837 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,475 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,980 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,658 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,427 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,913 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,967 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,735 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,889 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,948 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,466 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,592 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,685 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,253 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,674 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,666 |
| State Quiz - Florida | 0 | - | 4.47 | 62,230 |
| State Quiz - Texas | 0 | - | 4.43 | 62,782 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,740 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,233 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,500 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,413 |
| State Quiz - New York | 0 | - | 4.52 | 46,018 |
| State Quiz - Washington | 0 | - | 4.45 | 36,357 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,335 |
| State Quiz - California | 0 | - | 4.68 | 64,312 |
