| Boundary Waters | 0 | - | 4.92 | 88,784 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,731 |
| Countries by Three Words #2 | 0 | - | 4.97 | 204,797 |
| Countries by Three Words #1 | 0 | - | 4.95 | 266,677 |
| European Countries by Clue | 0 | - | 4.92 | 184,184 |
| Countries by a Single Clue #5 | 0 | - | 4.91 | 101,585 |
| Landlocked Countries | 0 | - | 4.99 | 426,211 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,902,563 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,940 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,429 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,037 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,053 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,425 |
| Himalayan Countries | 0 | - | 4.93 | 140,381 |
| Andean Countries | 0 | - | 4.94 | 85,539 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,694 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,123 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,262 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,495 |
| Danube Countries | 0 | - | 4.97 | 72,438 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,643 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,873 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,203 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,679 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,352 |
| Countries with the Most Species | 0 | - | 4.99 | 103,590 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,453 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,786 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,898 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,860 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,043 |
| Countries in the Alps | 0 | - | 4.87 | 118,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,941 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,057 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,994 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,289 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,438 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,889 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,447 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,210 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,899 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,759 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,585 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,824 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,916 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,921 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,637 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,624 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,849 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,226 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,533 |
| Largest Countries By Category | 0 | - | 4.97 | 158,906 |
| Countries by Countries | 0 | - | 4.96 | 63,672 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,300 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,414 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,680 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,130 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,493 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,992 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,822 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,623 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,177 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,590 |
| Longest International Borders | 0 | - | 4.99 | 265,853 |
| Countries with Three Borders | 0 | - | 4.96 | 36,787 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,370 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,509 |
| Demonym of Every Country | 0 | - | 4.90 | 61,514 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,101 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,448 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,395 |
| Countries by Three Words #3 | 0 | - | 4.80 | 129,720 |
| Countries by Three Words #4 | 0 | - | 4.45 | 101,369 |
| Countries by a Single Clue #1 | 0 | - | 4.75 | 101,038 |
| Countries by a Single Clue #2 | 0 | - | 4.48 | 95,376 |
| Countries by a Single Clue #3 | 0 | - | 4.63 | 87,085 |
| Countries by a Single Clue #4 | 0 | - | 4.49 | 77,204 |
| Countries by a Single Clue #6 | 0 | - | 4.49 | 87,244 |
| Countries by a Single Clue #8 | 0 | - | 4.44 | 95,228 |
| Countries by a Single Clue #10 | 0 | - | 4.56 | 68,047 |
| Countries by a Single Clue #11 | 0 | - | 4.61 | 76,791 |
| Countries by a Single Clue #12 | 0 | - | 4.48 | 79,227 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,709 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,773 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,865 |
| Island Countries | 0 | - | 4.99 | 712,674 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,104 |
| Northernmost Countries | 0 | - | 4.99 | 364,176 |
| Countries of South America | 0 | - | 5.00 | 933,118 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,973 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,278 |
| "Land" Countries | 0 | - | 4.98 | 338,464 |
| Top World Languages | 0 | - | 4.92 | 830,185 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,738 |
| Globe Grid | 0 | - | 4.32 | 32,038 |
| World Map Divided into Regions | 0 | - | 4.19 | 42,178 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,011 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,252 |
| Countries with Megacities | 0 | - | 4.99 | 267,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,932 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,188 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,254 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,302 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,356 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,406 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,001 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,244 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,272 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,197 |
| Countries by Capital City | 0 | - | 5.00 | 69,455 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,893 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,261 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,844 |
| Moved Capital Cities | 0 | - | 4.96 | 74,672 |
| Countries by Official Language | 0 | - | 4.95 | 196,059 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,706 |
| Countries in their Native Language | 0 | - | 4.99 | 199,793 |
| Independence from Whom | 0 | - | 4.99 | 213,149 |
| Subdivisions by Country | 0 | - | 4.87 | 50,633 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,509 |
| Megadiverse Countries | 0 | - | 4.96 | 135,301 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,990 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,549 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,725 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,317 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,871 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,150 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,578 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,098 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,265 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,597 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,397 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,456 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,160 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,596 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,895 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,662 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,433 |
| World Map Quiz | 0 | - | 4.81 | 65,783 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,430 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,738 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,327 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,128 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,600 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,664 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,471 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,576 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,776 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,714 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,794 |
| Widest Countries East to West | 0 | - | 4.92 | 130,715 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,607 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,283 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,526 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,080 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,013 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,509 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,512 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,900 |
| Countries with Double Letters | 0 | - | 4.96 | 97,154 |
| Countries that End in N | 0 | - | 4.95 | 172,026 |
| Countries with Five Letters | 0 | - | 4.96 | 284,070 |
| Countries with Six Letters | 0 | - | 4.94 | 214,567 |
| Countries with W | 0 | - | 4.96 | 161,009 |
| Countries with Z | 0 | - | 4.98 | 292,544 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,343 |
| Countries That End in U | 0 | - | 4.95 | 121,222 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,164 |
| Countries that End in O | 0 | - | 4.92 | 160,250 |
| Countries that End in R | 0 | - | 4.87 | 119,202 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,967 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,918 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,198 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,863 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,787 |
| Countries That End in Y | 0 | - | 4.91 | 186,104 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,506 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,304 |
| Countries that End in I | 0 | - | 4.94 | 135,339 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,671 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,080 |
| Countries That End in NIA | 0 | - | 4.92 | 110,088 |
| Countries That End in BIA | 0 | - | 4.93 | 149,610 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,581 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,796 |
| Countries That End in RIA | 0 | - | 4.93 | 127,078 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,423 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,674 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,231 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,673 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,219 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,826 |