| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,154 |
| Countries with NO Military | 0 | - | 4.97 | 63,463 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,343 |
| NATO Countries | 0 | - | 4.98 | 283,590 |
| EU Countries Quiz | 0 | - | 4.99 | 278,111 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,505 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,832 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,122 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,905,496 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,899 |
| Landlocked Countries | 0 | - | 4.99 | 426,251 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,650 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,434 |
| Himalayan Countries | 0 | - | 4.93 | 140,394 |
| Andean Countries | 0 | - | 4.94 | 85,551 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,700 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,137 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,267 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,503 |
| Danube Countries | 0 | - | 4.97 | 72,439 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,653 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,877 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,216 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,688 |
| European Landlocked Countries | 0 | - | 4.99 | 147,641 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,357 |
| Countries with the Most Species | 0 | - | 4.99 | 103,591 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,459 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,786 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,899 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,865 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,599 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,045 |
| Countries in the Alps | 0 | - | 4.87 | 118,828 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,721 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,947 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,989 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,062 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,998 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,291 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,449 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,896 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,449 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,753 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,214 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,903 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,762 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,586 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,826 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,920 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,930 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,641 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,794 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,716 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,860 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,237 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,538 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,184 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,177 |
| Largest Countries By Category | 0 | - | 4.97 | 158,913 |
| Countries by Countries | 0 | - | 4.96 | 63,675 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,935 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,189 |
| Buddhist Countries | 0 | - | 4.96 | 145,140 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,130 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,024 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,742 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,729 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,778 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,889 |
| Island Countries | 0 | - | 4.99 | 712,687 |
| Countries in World War I | 0 | - | 4.88 | 229,225 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,215 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,137 |
| Northernmost Countries | 0 | - | 4.99 | 364,188 |
| Countries of South America | 0 | - | 5.00 | 933,153 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,042 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,382 |
| "Land" Countries | 0 | - | 4.98 | 338,480 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,629 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,478 |
| Orthodox Countries | 0 | - | 4.92 | 132,844 |
| Richest Island Countries | 0 | - | 4.85 | 101,255 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,740 |
| Monarchies of Europe | 0 | - | 4.90 | 98,910 |
| Monarchies of Asia | 0 | - | 4.97 | 71,525 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,166 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,303 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,231 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,214 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,515 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,802 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,954 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,033 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,018 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,118 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,410 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,121 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,979 |
| Countries that Start with D | 0 | - | 4.96 | 716,788 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,511 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,971 |
| Countries that Start with H | 0 | - | 4.96 | 609,838 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,901 |
| Countries that Start with J | 0 | - | 4.98 | 607,212 |
| Countries that Start with K | 0 | - | 4.97 | 821,027 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,140 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,213 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,360 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,593 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,145 |
| Countries that Start with U | 0 | - | 4.97 | 908,675 |
| Countries that Start with V | 0 | - | 4.98 | 612,152 |
| Countries that Start with F | 0 | - | 4.83 | 621,498 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,612 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,587 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,202 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,130 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,259 |
| Countries with Megacities | 0 | - | 4.99 | 267,329 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,942 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,190 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,259 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,306 |
| Countries by Official Language | 0 | - | 4.95 | 196,065 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,720 |
| Countries in their Native Language | 0 | - | 4.99 | 199,798 |
| Independence from Whom | 0 | - | 4.99 | 213,162 |
| Subdivisions by Country | 0 | - | 4.87 | 50,634 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,518 |
| Megadiverse Countries | 0 | - | 4.96 | 136,032 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,995 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,550 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,728 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,323 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,874 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,151 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,100 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,266 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,605 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,398 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,457 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,163 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,597 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,740 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,331 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,136 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,601 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,676 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,474 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,582 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,777 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,715 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,807 |
| Widest Countries East to West | 0 | - | 4.92 | 130,755 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,609 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,288 |
| 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 | 95,085 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,017 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,511 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,513 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,901 |
| Countries with Double Letters | 0 | - | 4.96 | 97,163 |
| Countries that End in N | 0 | - | 4.95 | 172,050 |
| Countries with Five Letters | 0 | - | 4.96 | 284,106 |
| Countries with Six Letters | 0 | - | 4.94 | 214,577 |
| Countries with W | 0 | - | 4.96 | 161,012 |
| Countries with Z | 0 | - | 4.98 | 292,551 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,352 |
| Countries That End in U | 0 | - | 4.95 | 121,225 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,170 |
| Countries that End in O | 0 | - | 4.92 | 160,251 |
| Countries that End in R | 0 | - | 4.87 | 119,203 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,971 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,922 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,203 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,866 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,791 |
| Countries That End in Y | 0 | - | 4.91 | 186,104 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,508 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,310 |
| Countries that End in I | 0 | - | 4.94 | 135,341 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,674 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,082 |
| Countries That End in NIA | 0 | - | 4.92 | 110,088 |
| Countries That End in BIA | 0 | - | 4.93 | 149,611 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,593 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,798 |
| Countries That End in RIA | 0 | - | 4.93 | 127,079 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,427 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,678 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,234 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,676 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,227 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,828 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,354 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,548 |
