| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,908 |
| Countries with NO Military | 0 | - | 4.97 | 63,392 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,274 |
| NATO Countries | 0 | - | 4.98 | 283,378 |
| EU Countries Quiz | 0 | - | 4.99 | 277,849 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,348 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,735 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,086 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,870,502 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,619 |
| Landlocked Countries | 0 | - | 4.99 | 425,707 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,803,720 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,185 |
| Himalayan Countries | 0 | - | 4.93 | 140,192 |
| Andean Countries | 0 | - | 4.94 | 85,408 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,560 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,950 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,130 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,406 |
| Danube Countries | 0 | - | 4.97 | 72,369 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,574 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,822 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,091 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,585 |
| European Landlocked Countries | 0 | - | 4.99 | 147,597 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,280 |
| Countries with the Most Species | 0 | - | 4.99 | 103,553 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,390 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,770 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,880 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,833 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,003 |
| Countries in the Alps | 0 | - | 4.87 | 118,753 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,598 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,836 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,954 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,015 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,937 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,239 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,387 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,852 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,411 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,657 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,163 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,861 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,737 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,548 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,774 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,878 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,806 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,599 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 67,981 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,652 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,655 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,111 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,495 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,141 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,146 |
| Largest Countries By Category | 0 | - | 4.97 | 158,844 |
| Countries by Countries | 0 | - | 4.96 | 63,633 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,767 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,099 |
| Buddhist Countries | 0 | - | 4.96 | 145,078 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,098 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 336,904 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,667 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,323 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,659 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,643 |
| Island Countries | 0 | - | 4.99 | 712,530 |
| Countries in World War I | 0 | - | 4.88 | 229,127 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,109 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,054,591 |
| Northernmost Countries | 0 | - | 4.99 | 363,938 |
| Countries of South America | 0 | - | 5.00 | 932,543 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,166 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,888,904 |
| "Land" Countries | 0 | - | 4.98 | 338,351 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,599 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,405 |
| Orthodox Countries | 0 | - | 4.92 | 132,784 |
| Richest Island Countries | 0 | - | 4.85 | 101,209 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,393,403 |
| Monarchies of Europe | 0 | - | 4.90 | 98,861 |
| Monarchies of Asia | 0 | - | 4.97 | 71,498 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,029 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,282 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,174 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,149 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,464 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,770 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,919 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,772 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,966 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,065 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,451 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,186 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,232 |
| Countries that Start with D | 0 | - | 4.96 | 716,270 |
| Countries that Start with E | 0 | - | 4.95 | 1,384,899 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,329 |
| Countries that Start with H | 0 | - | 4.96 | 609,475 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,426 |
| Countries that Start with J | 0 | - | 4.98 | 606,854 |
| Countries that Start with K | 0 | - | 4.97 | 820,651 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,668 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,713 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,888 |
| Countries that Start with S | 0 | - | 4.98 | 1,762,966 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,814 |
| Countries that Start with U | 0 | - | 4.97 | 908,394 |
| Countries that Start with V | 0 | - | 4.98 | 611,945 |
| Countries that Start with F | 0 | - | 4.83 | 621,208 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,114 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,522 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,125 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,064 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,123 |
| Countries with Megacities | 0 | - | 4.99 | 267,052 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,819 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,121 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,135 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,228 |
| Countries by Official Language | 0 | - | 4.95 | 195,972 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,607 |
| Countries in their Native Language | 0 | - | 4.99 | 199,722 |
| Independence from Whom | 0 | - | 4.99 | 213,038 |
| Subdivisions by Country | 0 | - | 4.87 | 50,611 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,420 |
| Megadiverse Countries | 0 | - | 4.96 | 135,272 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,932 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,532 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,649 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,226 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,923 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,845 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,106 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,567 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,032 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,253 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,508 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,371 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,441 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,141 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,574 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,709 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,233 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,070 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,553 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,549 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,422 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,528 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,722 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,688 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,693 |
| Widest Countries East to West | 0 | - | 4.92 | 130,450 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,597 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,249 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,515 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,059 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,962 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,476 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,501 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,889 |
| Countries with Double Letters | 0 | - | 4.96 | 97,056 |
| Countries that End in N | 0 | - | 4.95 | 171,913 |
| Countries with Five Letters | 0 | - | 4.96 | 283,739 |
| Countries with Six Letters | 0 | - | 4.94 | 214,456 |
| Countries with W | 0 | - | 4.96 | 160,917 |
| Countries with Z | 0 | - | 4.98 | 292,425 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,278 |
| Countries That End in U | 0 | - | 4.95 | 121,182 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,087 |
| Countries that End in O | 0 | - | 4.92 | 160,209 |
| Countries that End in R | 0 | - | 4.87 | 119,177 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,933 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,819 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,142 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,822 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,748 |
| Countries That End in Y | 0 | - | 4.91 | 186,086 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,445 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,270 |
| Countries that End in I | 0 | - | 4.94 | 135,312 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,610 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,054 |
| Countries That End in NIA | 0 | - | 4.92 | 110,048 |
| Countries That End in BIA | 0 | - | 4.93 | 149,571 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,530 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,768 |
| Countries That End in RIA | 0 | - | 4.93 | 127,050 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,385 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,578 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,181 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,618 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,165 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,803 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,326 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,535 |
