| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,576 |
| Countries with NO Military | 0 | - | 4.97 | 61,879 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,050 |
| NATO Countries | 0 | - | 4.98 | 279,004 |
| EU Countries Quiz | 0 | - | 4.99 | 272,609 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,574 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,845 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,350 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,289,144 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,876 |
| Landlocked Countries | 0 | - | 4.99 | 418,252 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,870 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,639 |
| Himalayan Countries | 0 | - | 4.94 | 137,122 |
| Andean Countries | 0 | - | 4.95 | 83,778 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,023 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,402 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,700 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,257 |
| Danube Countries | 0 | - | 4.97 | 71,584 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,450 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,986 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,524 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,580 |
| European Landlocked Countries | 0 | - | 4.99 | 146,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,024 |
| Countries with the Most Species | 0 | - | 4.99 | 102,818 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,162 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,401 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,261 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,932 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,312 |
| Countries in the Alps | 0 | - | 4.87 | 117,586 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,065 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,247 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,913 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,021 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,398 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,190 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,131 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,672 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,494 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,875 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,139 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,041 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,013 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,537 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,428 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,994 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,072 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,946 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,295 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,599 |
| Largest Countries By Category | 0 | - | 4.97 | 157,538 |
| Countries by Countries | 0 | - | 4.96 | 62,779 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,515 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,791 |
| Buddhist Countries | 0 | - | 4.96 | 143,637 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,483 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,081 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,352 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,414 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,770 |
| Island Countries | 0 | - | 4.99 | 709,477 |
| Countries in World War I | 0 | - | 4.88 | 227,754 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 228,630 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,343 |
| Northernmost Countries | 0 | - | 4.99 | 360,185 |
| Countries of South America | 0 | - | 5.00 | 922,106 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,962 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,472 |
| "Land" Countries | 0 | - | 4.98 | 335,647 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,970 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,985 |
| Orthodox Countries | 0 | - | 4.92 | 131,201 |
| Richest Island Countries | 0 | - | 4.84 | 100,234 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,253 |
| Monarchies of Europe | 0 | - | 4.90 | 97,890 |
| Monarchies of Asia | 0 | - | 4.97 | 70,934 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,444 |
| Asian Country Superlatives | 0 | - | 4.85 | 80,749 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,061 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,013 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,321 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,207 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,209 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,941 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,959 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,310 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,650 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,644 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,209 |
| Countries that Start with D | 0 | - | 4.96 | 706,936 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,047 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,685 |
| Countries that Start with H | 0 | - | 4.96 | 602,516 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,520 |
| Countries that Start with J | 0 | - | 4.98 | 600,402 |
| Countries that Start with K | 0 | - | 4.97 | 813,498 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,281 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,227 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,701 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,525 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,031 |
| Countries that Start with U | 0 | - | 4.97 | 902,968 |
| Countries that Start with V | 0 | - | 4.98 | 608,073 |
| Countries that Start with F | 0 | - | 4.83 | 615,874 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,911 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,381 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,802 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,108 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,780 |
| Countries with Megacities | 0 | - | 4.99 | 249,984 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,632 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,854 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,939 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,830 |
| Countries by Official Language | 0 | - | 4.95 | 194,513 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,359 |
| Countries in their Native Language | 0 | - | 4.99 | 198,079 |
| Independence from Whom | 0 | - | 4.99 | 211,183 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,605 |
| Megadiverse Countries | 0 | - | 4.96 | 134,720 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,194 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,645 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,331 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,876 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,458 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,956 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,803 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,674 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,939 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,746 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,099 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,965 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,376 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,868 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,574 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,151 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,455 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,633 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,773 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,228 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,229 |
| Widest Countries East to West | 0 | - | 4.92 | 129,316 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,372 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,885 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,976 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,470 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,151 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,487 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,211 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,714 |
| Countries with Double Letters | 0 | - | 4.97 | 94,982 |
| Countries that End in N | 0 | - | 4.95 | 169,721 |
| Countries with Five Letters | 0 | - | 4.96 | 279,268 |
| Countries with Six Letters | 0 | - | 4.94 | 212,334 |
| Countries with W | 0 | - | 4.97 | 159,427 |
| Countries with Z | 0 | - | 4.98 | 289,665 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,640 |
| Countries That End in U | 0 | - | 4.95 | 120,366 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,661 |
| Countries that End in O | 0 | - | 4.92 | 159,160 |
| Countries that End in R | 0 | - | 4.87 | 118,699 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,477 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,205 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,044 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,042 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,623 |
| Countries That End in Y | 0 | - | 4.90 | 185,615 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,143 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,345 |
| Countries that End in I | 0 | - | 4.94 | 134,833 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,993 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,544 |
| Countries That End in NIA | 0 | - | 4.92 | 109,476 |
| Countries That End in BIA | 0 | - | 4.93 | 148,786 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,645 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,998 |
| Countries That End in RIA | 0 | - | 4.93 | 126,488 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,579 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,525 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,134 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,476 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,036 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,282 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,630 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,182 |
