| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,726 |
| Countries with NO Military | 0 | - | 4.97 | 61,436 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,598 |
| NATO Countries | 0 | - | 4.98 | 277,483 |
| EU Countries Quiz | 0 | - | 4.99 | 271,089 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,708 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,203 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,081 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,084,323 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,142 |
| Landlocked Countries | 0 | - | 4.99 | 415,673 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,384 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,438 |
| Himalayan Countries | 0 | - | 4.95 | 136,085 |
| Andean Countries | 0 | - | 4.95 | 83,227 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,547 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,712 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,230 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,876 |
| Danube Countries | 0 | - | 4.97 | 71,291 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,047 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,743 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,936 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,880 |
| European Landlocked Countries | 0 | - | 4.99 | 146,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,586 |
| Countries with the Most Species | 0 | - | 4.99 | 95,363 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,713 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,282 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,450 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,086 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,739 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,106 |
| Countries in the Alps | 0 | - | 4.86 | 117,166 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,793 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,660 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,176 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,614 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,420 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,168 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,845 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,917 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,717 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,036 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,234 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,289 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,156 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,645 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,908 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,917 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,530 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,820 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,089 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,443 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,294 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,748 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,961 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,347 |
| Largest Countries By Category | 0 | - | 4.97 | 157,089 |
| Countries by Countries | 0 | - | 4.96 | 62,473 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,084 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,299 |
| Buddhist Countries | 0 | - | 4.96 | 143,254 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,990 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,628 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,540 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,093 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,041 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,960 |
| Island Countries | 0 | - | 4.99 | 708,454 |
| Countries in World War I | 0 | - | 4.88 | 227,016 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,869 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,157 |
| Northernmost Countries | 0 | - | 4.99 | 358,874 |
| Countries of South America | 0 | - | 5.00 | 918,294 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,894 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,438 |
| "Land" Countries | 0 | - | 4.98 | 334,172 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,445 |
| Orthodox Countries | 0 | - | 4.92 | 130,730 |
| Richest Island Countries | 0 | - | 4.84 | 99,842 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,948 |
| Monarchies of Europe | 0 | - | 4.90 | 97,576 |
| Monarchies of Asia | 0 | - | 4.97 | 70,758 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,312 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,879 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,564 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,650 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,564 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,866 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,737 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,879 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,250 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,539 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,965 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,686 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,169 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,767 |
| Countries that Start with D | 0 | - | 4.96 | 703,923 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,338 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,841 |
| Countries that Start with H | 0 | - | 4.96 | 599,898 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,604 |
| Countries that Start with J | 0 | - | 4.98 | 597,944 |
| Countries that Start with K | 0 | - | 4.97 | 811,182 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,132 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,051 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,694 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,579 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,866 |
| Countries that Start with U | 0 | - | 4.97 | 901,271 |
| Countries that Start with V | 0 | - | 4.98 | 606,284 |
| Countries that Start with F | 0 | - | 4.83 | 613,811 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,797 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,944 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,324 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,766 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,996 |
| Countries with Megacities | 0 | - | 4.99 | 248,392 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,890 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,402 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,278 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,343 |
| Countries by Official Language | 0 | - | 4.95 | 193,374 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,913 |
| Countries in their Native Language | 0 | - | 4.99 | 197,145 |
| Independence from Whom | 0 | - | 4.99 | 210,250 |
| Subdivisions by Country | 0 | - | 4.86 | 50,156 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,132 |
| Megadiverse Countries | 0 | - | 4.96 | 134,482 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,326 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,030 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,564 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,922 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,922 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,151 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,401 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,475 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,316 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,790 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,998 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,534 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,641 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,608 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,814 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,627 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,854 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,566 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,286 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,441 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,152 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,354 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,542 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,097 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,561 |
| Widest Countries East to West | 0 | - | 4.92 | 129,052 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,297 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,535 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,664 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,890 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,877 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,266 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,864 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,754 |
| Countries that End in N | 0 | - | 4.94 | 157,190 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,123 |
| Countries with Six Letters | 0 | - | 4.93 | 210,782 |
| Countries with W | 0 | - | 4.97 | 158,467 |
| Countries with Z | 0 | - | 4.98 | 288,328 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,813 |
| Countries That End in U | 0 | - | 4.95 | 119,635 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,934 |
| Countries that End in O | 0 | - | 4.92 | 158,677 |
| Countries that End in R | 0 | - | 4.87 | 118,395 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,947 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,488 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,594 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,692 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,249 |
| Countries That End in Y | 0 | - | 4.90 | 185,304 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,668 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,951 |
| Countries that End in I | 0 | - | 4.94 | 134,567 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,539 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,333 |
| Countries That End in NIA | 0 | - | 4.92 | 109,162 |
| Countries That End in BIA | 0 | - | 4.92 | 147,979 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,303 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,670 |
| Countries That End in RIA | 0 | - | 4.93 | 126,222 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,212 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,824 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,727 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,073 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,634 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,053 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,323 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,832 |
