| Countries that Start with A | 0 | - | 4.98 | 2,178,006 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,630 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,159 |
| Countries that Start with D | 0 | - | 4.96 | 717,596 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,419 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,976 |
| Countries that Start with H | 0 | - | 4.96 | 610,391 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,615 |
| Countries that Start with J | 0 | - | 4.98 | 607,775 |
| Countries that Start with K | 0 | - | 4.97 | 821,599 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,897 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,954 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,122 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,607 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,734 |
| Countries that Start with U | 0 | - | 4.97 | 909,110 |
| Countries that Start with V | 0 | - | 4.98 | 612,470 |
| Countries that Start with F | 0 | - | 4.83 | 621,913 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,420 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,915 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,948 |
| Countries that Start with R | 0 | - | 4.44 | 450,737 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,206 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,288 |
| NATO Countries | 0 | - | 4.98 | 283,920 |
| EU Countries Quiz | 0 | - | 4.99 | 278,802 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,833 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,576 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,729 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,973 |
| Countries with NO Military | 0 | - | 4.97 | 63,580 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,177 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,957,057 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,266 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,269 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,889 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,450 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,264 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,234 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,321 |
| Buddhist Countries | 0 | - | 4.96 | 145,227 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,930 |
| Landlocked Countries | 0 | - | 4.99 | 427,110 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,328 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,923 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,583 |
| Orthodox Countries | 0 | - | 4.92 | 132,930 |
| Richest Island Countries | 0 | - | 4.85 | 101,339 |
| Battle to Country | 0 | - | 4.91 | 54,085 |
| Monarchies of Europe | 0 | - | 4.90 | 99,004 |
| Monarchies of Asia | 0 | - | 4.97 | 71,588 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,554 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,402 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,980 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,317 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,340 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,337 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,355 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,647 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,599 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,046 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,466 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,123 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,199 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,668 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,314 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,220 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,815 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,099 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,079 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,046 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,458 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,000 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,264 |
| Island Countries | 0 | - | 4.99 | 712,944 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,856 |
| Himalayan Countries | 0 | - | 4.93 | 140,761 |
| Andean Countries | 0 | - | 4.94 | 85,765 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,889 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,452 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,445 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,669 |
| Danube Countries | 0 | - | 4.97 | 72,526 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,773 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,960 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,408 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,881 |
| European Landlocked Countries | 0 | - | 4.99 | 147,721 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,516 |
| Countries with the Most Species | 0 | - | 4.99 | 103,636 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,611 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,807 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,947 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,910 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,667 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,119 |
| Countries in the Alps | 0 | - | 4.87 | 118,944 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,951 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,089 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,049 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,154 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,108 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,373 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,568 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,981 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,505 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,301 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,947 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,821 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,661 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,909 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,012 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,111 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,714 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,332 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,822 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,226 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,452 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,604 |
| Largest Countries By Category | 0 | - | 4.97 | 159,060 |
| Countries by Countries | 0 | - | 4.97 | 63,793 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,934 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,621 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,378 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,415 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,443 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,702 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,210 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,980 |
| Northernmost Countries | 0 | - | 4.99 | 364,520 |
| Countries of South America | 0 | - | 5.00 | 934,048 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,204 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,512 |
| "Land" Countries | 0 | - | 4.98 | 338,930 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,032 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,918 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,803 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 155,015 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,690 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,740 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,252 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,622 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,794 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,906 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,461 |
| Countries with Megacities | 0 | - | 4.99 | 267,762 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,314 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,419 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,640 |
| Countries by Official Language | 0 | - | 4.95 | 196,183 |
| All OPEC Countries Ever | 0 | - | 4.70 | 100,366 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,902 |
| Countries in their Native Language | 0 | - | 4.99 | 199,933 |
| Independence from Whom | 0 | - | 4.99 | 213,368 |
| Subdivisions by Country | 0 | - | 4.87 | 50,662 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,630 |
| Countries in World War I | 0 | - | 4.88 | 229,391 |
| Megadiverse Countries | 0 | - | 4.96 | 148,578 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 230,379 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,114 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,570 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,792 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,253 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,447 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,914 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,264 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,619 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,156 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,735 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,472 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,497 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,211 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,764 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,627 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,953 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,687 |
| World Map Quiz | 0 | - | 4.81 | 65,912 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,811 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,790 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,479 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,216 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,686 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,876 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,535 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,646 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,838 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,757 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,921 |
| Widest Countries East to West | 0 | - | 4.92 | 130,829 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,626 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,380 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,554 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,147 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,090 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,596 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,530 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,920 |