| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,309 |
| Countries with NO Military | 0 | - | 4.97 | 63,501 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,376 |
| NATO Countries | 0 | - | 4.98 | 283,698 |
| EU Countries Quiz | 0 | - | 4.99 | 278,278 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,588 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,877 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,135 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,922,356 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,029 |
| Landlocked Countries | 0 | - | 4.99 | 426,595 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,808,029 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,569 |
| Himalayan Countries | 0 | - | 4.93 | 140,510 |
| Andean Countries | 0 | - | 4.94 | 85,631 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,766 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,232 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,322 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,556 |
| Danube Countries | 0 | - | 4.97 | 72,473 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,689 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,903 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,274 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,741 |
| European Landlocked Countries | 0 | - | 4.99 | 147,674 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,408 |
| Countries with the Most Species | 0 | - | 4.99 | 103,607 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,516 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,915 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,881 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,621 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,077 |
| Countries in the Alps | 0 | - | 4.87 | 118,860 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,803 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,003 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,012 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,095 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,042 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,326 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,474 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,926 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,467 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,803 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,241 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,916 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,786 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,618 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,853 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,953 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,004 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,661 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,640 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,756 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,967 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,315 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,556 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,215 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,187 |
| Largest Countries By Category | 0 | - | 4.97 | 158,955 |
| Countries by Countries | 0 | - | 4.97 | 63,714 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,026 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,229 |
| Buddhist Countries | 0 | - | 4.96 | 145,173 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,155 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,105 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,793 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,985 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,863 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,016 |
| Island Countries | 0 | - | 4.99 | 712,766 |
| Countries in World War I | 0 | - | 4.88 | 229,288 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,268 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,410 |
| Northernmost Countries | 0 | - | 4.99 | 364,301 |
| Countries of South America | 0 | - | 5.00 | 933,457 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,435 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,061 |
| "Land" Countries | 0 | - | 4.98 | 338,571 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,646 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,508 |
| Orthodox Countries | 0 | - | 4.92 | 132,869 |
| Richest Island Countries | 0 | - | 4.85 | 101,282 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,353 |
| Monarchies of Europe | 0 | - | 4.90 | 98,942 |
| Monarchies of Asia | 0 | - | 4.97 | 71,548 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,211 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,318 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,268 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,252 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,551 |
| Countries by Oil Consumption | 0 | - | 4.96 | 122,574 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,977 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,169 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,059 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,145 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,935 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,630 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,370 |
| Countries that Start with D | 0 | - | 4.96 | 717,062 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,832 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,307 |
| Countries that Start with H | 0 | - | 4.96 | 610,008 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,141 |
| Countries that Start with J | 0 | - | 4.98 | 607,405 |
| Countries that Start with K | 0 | - | 4.97 | 821,221 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,421 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,466 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,612 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,963 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,364 |
| Countries that Start with U | 0 | - | 4.97 | 908,837 |
| Countries that Start with V | 0 | - | 4.98 | 612,269 |
| Countries that Start with F | 0 | - | 4.83 | 621,638 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,905 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,610 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,232 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,153 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,331 |
| Countries with Megacities | 0 | - | 4.99 | 267,483 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,991 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,234 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,336 |
| Countries by Official Language | 0 | - | 4.95 | 196,123 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,785 |
| Countries in their Native Language | 0 | - | 4.99 | 199,846 |
| Independence from Whom | 0 | - | 4.99 | 213,231 |
| Subdivisions by Country | 0 | - | 4.87 | 50,642 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,562 |
| Megadiverse Countries | 0 | - | 4.96 | 145,390 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,037 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,557 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,751 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,354 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,891 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,186 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,595 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,124 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,643 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,434 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,465 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,178 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,603 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,758 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,383 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,159 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,623 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,740 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,486 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,606 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,790 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,729 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,854 |
| Widest Countries East to West | 0 | - | 4.92 | 130,778 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,617 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,311 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,536 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,102 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,043 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,536 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,518 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,909 |
| Countries with Double Letters | 0 | - | 4.96 | 97,243 |
| Countries that End in N | 0 | - | 4.95 | 172,337 |
| Countries with Five Letters | 0 | - | 4.96 | 284,215 |
| Countries with Six Letters | 0 | - | 4.94 | 214,653 |
| Countries with W | 0 | - | 4.96 | 161,066 |
| Countries with Z | 0 | - | 4.98 | 292,635 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,412 |
| Countries That End in U | 0 | - | 4.95 | 121,259 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,213 |
| Countries that End in O | 0 | - | 4.92 | 160,273 |
| Countries that End in R | 0 | - | 4.87 | 119,219 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,981 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,972 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 172,947 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,905 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,898 |
| Countries That End in Y | 0 | - | 4.91 | 186,117 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,597 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,332 |
| Countries that End in I | 0 | - | 4.94 | 135,364 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,734 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,092 |
| Countries That End in NIA | 0 | - | 4.92 | 110,098 |
| Countries That End in BIA | 0 | - | 4.93 | 149,646 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,820 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,816 |
| Countries That End in RIA | 0 | - | 4.93 | 127,092 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,451 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,760 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,265 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,723 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,280 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,849 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,374 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,557 |
