| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,771 |
| Countries with NO Military | 0 | - | 4.97 | 61,443 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,610 |
| NATO Countries | 0 | - | 4.98 | 277,530 |
| EU Countries Quiz | 0 | - | 4.99 | 271,127 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,739 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,214 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,088 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,089,645 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,187 |
| Landlocked Countries | 0 | - | 4.99 | 415,728 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,905 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,467 |
| Himalayan Countries | 0 | - | 4.95 | 136,111 |
| Andean Countries | 0 | - | 4.95 | 83,236 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,554 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,727 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,243 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,881 |
| Danube Countries | 0 | - | 4.97 | 71,299 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,061 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,750 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,953 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,897 |
| European Landlocked Countries | 0 | - | 4.99 | 146,007 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,598 |
| Countries with the Most Species | 0 | - | 4.99 | 95,371 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,727 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,283 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,452 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,089 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,742 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,114 |
| Countries in the Alps | 0 | - | 4.86 | 117,180 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,805 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,678 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,181 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,626 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,431 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,175 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,857 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,922 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,725 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,059 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,255 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,294 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,161 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,649 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,915 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,922 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,548 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,824 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,365 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,095 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,476 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,319 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,756 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,973 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,356 |
| Largest Countries By Category | 0 | - | 4.97 | 157,105 |
| Countries by Countries | 0 | - | 4.96 | 62,482 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,119 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,308 |
| Buddhist Countries | 0 | - | 4.96 | 143,263 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,999 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,652 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,554 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,141 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,157 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,001 |
| Island Countries | 0 | - | 4.99 | 708,486 |
| Countries in World War I | 0 | - | 4.88 | 227,086 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,917 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,242 |
| Northernmost Countries | 0 | - | 4.99 | 358,914 |
| Countries of South America | 0 | - | 5.00 | 918,406 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,042 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,667 |
| "Land" Countries | 0 | - | 4.98 | 334,195 |
| Countries with U.S. Troops | 0 | - | 4.38 | 131,793 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,459 |
| Orthodox Countries | 0 | - | 4.92 | 130,746 |
| Richest Island Countries | 0 | - | 4.84 | 99,849 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,107 |
| Monarchies of Europe | 0 | - | 4.90 | 97,586 |
| Monarchies of Asia | 0 | - | 4.97 | 70,762 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,895 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,567 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,661 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,572 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,879 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,743 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,887 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,378 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,549 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,974 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,846 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,295 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,875 |
| Countries that Start with D | 0 | - | 4.96 | 703,994 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,421 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,934 |
| Countries that Start with H | 0 | - | 4.96 | 599,958 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,677 |
| Countries that Start with J | 0 | - | 4.98 | 598,007 |
| Countries that Start with K | 0 | - | 4.97 | 811,234 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,195 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,102 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,742 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,668 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,909 |
| Countries that Start with U | 0 | - | 4.97 | 901,309 |
| Countries that Start with V | 0 | - | 4.98 | 606,313 |
| Countries that Start with F | 0 | - | 4.83 | 613,849 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,878 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,955 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,337 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,771 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,020 |
| Countries with Megacities | 0 | - | 4.99 | 248,437 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,907 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,414 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,296 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,353 |
| Countries by Official Language | 0 | - | 4.95 | 193,472 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,992 |
| Countries in their Native Language | 0 | - | 4.99 | 197,225 |
| Independence from Whom | 0 | - | 4.99 | 210,278 |
| Subdivisions by Country | 0 | - | 4.86 | 50,161 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,151 |
| Megadiverse Countries | 0 | - | 4.96 | 134,486 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,400 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,038 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,570 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,924 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,931 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,154 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,416 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,478 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,320 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,791 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,012 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,538 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,645 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,611 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,816 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,632 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,874 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,573 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,293 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,459 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,162 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,362 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,549 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,102 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,567 |
| Widest Countries East to West | 0 | - | 4.92 | 129,066 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,300 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,545 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,667 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,896 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,883 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,269 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,886 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,652 |
| Countries with Double Letters | 0 | - | 4.96 | 93,765 |
| Countries that End in N | 0 | - | 4.94 | 157,203 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,134 |
| Countries with Six Letters | 0 | - | 4.93 | 210,791 |
| Countries with W | 0 | - | 4.97 | 158,470 |
| Countries with Z | 0 | - | 4.98 | 288,342 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,824 |
| Countries That End in U | 0 | - | 4.95 | 119,644 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,953 |
| Countries that End in O | 0 | - | 4.92 | 158,679 |
| Countries that End in R | 0 | - | 4.87 | 118,396 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,949 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,498 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,602 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,698 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,254 |
| Countries That End in Y | 0 | - | 4.90 | 185,306 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,683 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,965 |
| Countries that End in I | 0 | - | 4.94 | 134,574 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,550 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,335 |
| Countries That End in NIA | 0 | - | 4.92 | 109,170 |
| Countries That End in BIA | 0 | - | 4.92 | 148,103 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,313 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,679 |
| Countries That End in RIA | 0 | - | 4.93 | 126,229 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,217 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,846 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,732 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,084 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,641 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,059 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,326 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,842 |
