| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,621,109 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,524 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,371 |
| Europe Map Quiz | 0 | - | 5.00 | 4,761,488 |
| World Map Quiz | 0 | - | 4.81 | 64,797 |
| United States Cities Map Quiz | 0 | - | 4.96 | 214,137 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,937 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,321 |
| Asia Map Quiz | 0 | - | 4.99 | 916,343 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 976,386 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,607 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,255 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,442 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,283 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,659 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,913 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,835 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,516 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,532 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,469 |
| Random Country to Capital | 0 | - | 4.98 | 920,013 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,845 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,590 |
| Countries with Four Letters | 0 | - | 4.99 | 422,225 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,721 |
| Australia Map Quiz | 0 | - | 4.95 | 344,523 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,361 |
| Capital Cities Chain | 0 | - | 4.83 | 82,701 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,858 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,538 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 181,829 |
| Country Chain | 0 | - | 4.96 | 217,039 |
| Countries by Emojis | 0 | - | 4.99 | 239,565 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,886 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,497 |
| Islands by Country #1 | 0 | - | 4.88 | 175,242 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,495 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,840 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,702 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,583 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,914 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,652 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,581 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,450 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,838 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,320 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,172 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,549 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,123 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,185 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,713 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,118 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,152 |
| North America Map Quiz | 0 | - | 4.98 | 248,348 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,957 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,201 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,659 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,138 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,044 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,396 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,444 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,746 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,150 |
| The Only Country ... | 0 | - | 4.91 | 80,983 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,862 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,152 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,080 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,734 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,443 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,649 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,175 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,988 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,960 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,125 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,759 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,454 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,466 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,059 |
| Random Countries by Borders | 0 | - | 4.99 | 82,402 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,989 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,875 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,365 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,755 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,001 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,379 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,902 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,327 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,127 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,427,370 |
| The Seven Continents Map Quiz | 0 | - | 3.89 | 266,395 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,134 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,045 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,965 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,308 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,763 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,211 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,975 |
| Cities Chain #2 | 0 | - | 4.42 | 56,366 |
| Cities Chain #1 | 0 | - | 4.61 | 66,621 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,570 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,977 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,533 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,467 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,302 |
| Landlocked Countries | 0 | - | 4.99 | 420,051 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,576 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,799 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,102 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,243 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,908 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,538 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,609 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,312 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,018 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,334 |
| States of India Map Quiz | 0 | - | 4.83 | 26,502 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,698 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,697 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,292 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,897 |
| China Cities Map Quiz | 0 | - | 4.93 | 105,122 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,992 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,739 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,172 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,574 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,780 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,892 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,098 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,206 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,468 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,081 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,499 |
| Himalayan Countries | 0 | - | 4.95 | 137,913 |
| Andean Countries | 0 | - | 4.95 | 84,175 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,388 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,977 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,040 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,489 |
| Danube Countries | 0 | - | 4.97 | 71,776 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,175 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,875 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,987 |
| European Landlocked Countries | 0 | - | 4.99 | 146,912 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,305 |
| Countries with the Most Species | 0 | - | 4.99 | 103,047 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,455 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,470 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,639 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,407 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,086 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,474 |
| Countries in the Alps | 0 | - | 4.87 | 117,896 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,845 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,617 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,513 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,398 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,411 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,293 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,660 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,549 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,391 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,021 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,312 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,322 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,449 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,141 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,650 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,724 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,955 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,537 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,071 |
| Largest Countries By Category | 0 | - | 4.97 | 157,850 |
| Countries by Countries | 0 | - | 4.97 | 62,962 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,392 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,196 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,080 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,498 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,932 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,762 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,456 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,792 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,671 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,505 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,325 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,478 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,874 |
| Countries with Three Borders | 0 | - | 4.96 | 36,516 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,992 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,107 |
| Demonym of Every Country | 0 | - | 4.91 | 59,659 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,956 |