| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,264 |
| Countries with NO Military | 0 | - | 4.97 | 61,567 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,730 |
| NATO Countries | 0 | - | 4.98 | 277,965 |
| EU Countries Quiz | 0 | - | 4.99 | 271,510 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,949 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,380 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,155 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,149,274 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,707 |
| Landlocked Countries | 0 | - | 4.99 | 416,492 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,328 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,848 |
| Himalayan Countries | 0 | - | 4.95 | 136,429 |
| Andean Countries | 0 | - | 4.95 | 83,446 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,714 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,944 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,394 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,994 |
| Danube Countries | 0 | - | 4.97 | 71,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,189 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,838 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,120 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,078 |
| European Landlocked Countries | 0 | - | 4.99 | 146,112 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,732 |
| Countries with the Most Species | 0 | - | 4.99 | 101,192 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,869 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,320 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,501 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,141 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,796 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,170 |
| Countries in the Alps | 0 | - | 4.86 | 117,306 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,880 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,849 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,241 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,725 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,801 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,238 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,962 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,789 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,242 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,319 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,350 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,196 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,706 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,984 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,993 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,672 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,879 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,417 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,213 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,904 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,521 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,812 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,079 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,420 |
| Largest Countries By Category | 0 | - | 4.97 | 157,227 |
| Countries by Countries | 0 | - | 4.96 | 62,579 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,551 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,469 |
| Buddhist Countries | 0 | - | 4.96 | 143,367 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,068 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,883 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,706 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,668 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,762 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,642 |
| Island Countries | 0 | - | 4.99 | 708,748 |
| Countries in World War I | 0 | - | 4.88 | 227,382 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,221 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,132 |
| Northernmost Countries | 0 | - | 4.99 | 359,282 |
| Countries of South America | 0 | - | 5.00 | 919,428 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,320 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,014 |
| "Land" Countries | 0 | - | 4.98 | 334,536 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,853 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,610 |
| Orthodox Countries | 0 | - | 4.92 | 130,893 |
| Richest Island Countries | 0 | - | 4.84 | 99,948 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,003 |
| Monarchies of Europe | 0 | - | 4.90 | 97,680 |
| Monarchies of Asia | 0 | - | 4.97 | 70,819 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,035 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,614 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,771 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,695 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,989 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,809 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,958 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,275 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,666 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,063 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,482 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,779 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,051 |
| Countries that Start with D | 0 | - | 4.96 | 704,796 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,414 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,936 |
| Countries that Start with H | 0 | - | 4.96 | 600,666 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,450 |
| Countries that Start with J | 0 | - | 4.98 | 598,688 |
| Countries that Start with K | 0 | - | 4.97 | 811,858 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,945 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,904 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,759 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,690 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,512 |
| Countries that Start with U | 0 | - | 4.97 | 901,794 |
| Countries that Start with V | 0 | - | 4.98 | 607,017 |
| Countries that Start with F | 0 | - | 4.83 | 614,425 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,733 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,065 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,455 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,863 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,228 |
| Countries with Megacities | 0 | - | 4.99 | 248,842 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,078 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,519 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,443 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,471 |
| Countries by Official Language | 0 | - | 4.95 | 193,963 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,469 |
| Countries in their Native Language | 0 | - | 4.99 | 197,591 |
| Independence from Whom | 0 | - | 4.99 | 210,755 |
| Subdivisions by Country | 0 | - | 4.86 | 50,189 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,290 |
| Megadiverse Countries | 0 | - | 4.96 | 134,523 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,791 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,072 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,619 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,944 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,422 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,204 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,550 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,532 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,362 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,804 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,135 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,576 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,678 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,634 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,845 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,673 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,030 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,648 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,377 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,656 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,251 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,443 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,607 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,137 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,627 |
| Widest Countries East to West | 0 | - | 4.92 | 129,125 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,324 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,624 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,904 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,940 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,960 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,338 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,071 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,667 |
| Countries with Double Letters | 0 | - | 4.96 | 94,047 |
| Countries that End in N | 0 | - | 4.95 | 164,431 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,480 |
| Countries with Six Letters | 0 | - | 4.93 | 211,050 |
| Countries with W | 0 | - | 4.97 | 158,748 |
| Countries with Z | 0 | - | 4.98 | 288,659 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,982 |
| Countries That End in U | 0 | - | 4.95 | 119,866 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,113 |
| Countries that End in O | 0 | - | 4.92 | 158,822 |
| Countries that End in R | 0 | - | 4.87 | 118,481 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,047 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,683 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,706 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,789 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,350 |
| Countries That End in Y | 0 | - | 4.90 | 185,394 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,796 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,054 |
| Countries that End in I | 0 | - | 4.94 | 134,645 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,663 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,390 |
| Countries That End in NIA | 0 | - | 4.92 | 109,276 |
| Countries That End in BIA | 0 | - | 4.93 | 148,532 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,402 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,745 |
| Countries That End in RIA | 0 | - | 4.93 | 126,317 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,305 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,037 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,834 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,173 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,744 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,128 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,419 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,922 |
