| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,111 |
| Countries with NO Military | 0 | - | 4.97 | 63,627 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,485 |
| NATO Countries | 0 | - | 4.98 | 284,087 |
| EU Countries Quiz | 0 | - | 4.99 | 278,990 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,842 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,055 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,206 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,984,907 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,513 |
| Landlocked Countries | 0 | - | 4.99 | 427,434 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,773 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,001 |
| Himalayan Countries | 0 | - | 4.93 | 140,901 |
| Andean Countries | 0 | - | 4.94 | 85,839 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,956 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,549 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,495 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,715 |
| Danube Countries | 0 | - | 4.97 | 72,576 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,831 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,995 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,480 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,952 |
| European Landlocked Countries | 0 | - | 4.99 | 147,796 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,565 |
| Countries with the Most Species | 0 | - | 4.99 | 103,657 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,667 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,935 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,690 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,148 |
| Countries in the Alps | 0 | - | 4.87 | 119,006 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,052 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,193 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,192 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,153 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,619 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,012 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,521 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,970 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,326 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,966 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,687 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,941 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,043 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,181 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,749 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,602 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,863 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,423 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,553 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,629 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,292 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,254 |
| Largest Countries By Category | 0 | - | 4.97 | 159,125 |
| Countries by Countries | 0 | - | 4.97 | 63,822 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,450 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,374 |
| Buddhist Countries | 0 | - | 4.96 | 145,278 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,250 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,381 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,023 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,795 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,095 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,478 |
| Island Countries | 0 | - | 4.99 | 713,075 |
| Countries in World War I | 0 | - | 4.88 | 229,474 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,783 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,398 |
| Northernmost Countries | 0 | - | 4.99 | 364,691 |
| Countries of South America | 0 | - | 5.00 | 934,555 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,824 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,700 |
| "Land" Countries | 0 | - | 4.98 | 339,083 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,699 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,666 |
| Orthodox Countries | 0 | - | 4.92 | 132,984 |
| Richest Island Countries | 0 | - | 4.85 | 101,383 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,691 |
| Monarchies of Europe | 0 | - | 4.90 | 99,049 |
| Monarchies of Asia | 0 | - | 4.97 | 71,620 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,376 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,367 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,399 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,407 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,704 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,085 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,086 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,669 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,164 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,245 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,871 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,481 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,782 |
| Countries that Start with D | 0 | - | 4.96 | 718,060 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,990 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,568 |
| Countries that Start with H | 0 | - | 4.96 | 610,731 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,127 |
| Countries that Start with J | 0 | - | 4.98 | 608,104 |
| Countries that Start with K | 0 | - | 4.97 | 821,941 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,312 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,427 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,539 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,175 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,082 |
| Countries that Start with U | 0 | - | 4.97 | 909,368 |
| Countries that Start with V | 0 | - | 4.98 | 612,658 |
| Countries that Start with F | 0 | - | 4.83 | 622,171 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,862 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,729 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,370 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,269 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,558 |
| Countries with Megacities | 0 | - | 4.99 | 267,982 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,209 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,367 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,534 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Countries by Official Language | 0 | - | 4.95 | 196,267 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,005 |
| Countries in their Native Language | 0 | - | 4.99 | 199,983 |
| Independence from Whom | 0 | - | 4.99 | 213,460 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,704 |
| Megadiverse Countries | 0 | - | 4.96 | 149,481 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,167 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,824 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,265 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,507 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,935 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,318 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,639 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,183 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,291 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,830 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,503 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,518 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,230 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,652 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,834 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,562 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,256 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,728 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,990 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,579 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,692 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,873 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,774 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,971 |
| Widest Countries East to West | 0 | - | 4.92 | 130,879 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,634 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,430 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,573 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,174 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,137 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,628 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,543 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,928 |
| Countries with Double Letters | 0 | - | 4.96 | 97,702 |
| Countries that End in N | 0 | - | 4.95 | 172,700 |
| Countries with Five Letters | 0 | - | 4.96 | 284,732 |
| Countries with Six Letters | 0 | - | 4.94 | 215,027 |
| Countries with W | 0 | - | 4.96 | 161,361 |
| Countries with Z | 0 | - | 4.98 | 293,094 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,733 |
| Countries That End in U | 0 | - | 4.95 | 121,421 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,480 |
| Countries that End in O | 0 | - | 4.92 | 160,395 |
| Countries that End in R | 0 | - | 4.87 | 119,300 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,073 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,202 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,987 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,255 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,906 |
| Countries That End in Y | 0 | - | 4.91 | 186,190 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,427 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,453 |
| Countries that End in I | 0 | - | 4.94 | 135,440 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,374 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,158 |
| Countries That End in NIA | 0 | - | 4.92 | 110,173 |
| Countries That End in BIA | 0 | - | 4.93 | 149,764 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,965 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,924 |
| Countries That End in RIA | 0 | - | 4.93 | 127,171 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,564 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,003 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,427 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,889 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,449 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,936 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,478 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,616 |
