| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,630 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,450 |
| Countries that Start with A | 0 | - | 4.98 | 2,166,369 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,787 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,794 |
| Countries that Start with D | 0 | - | 4.96 | 711,609 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,478 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,745 |
| Countries that Start with H | 0 | - | 4.96 | 606,138 |
| Countries that Start with I | 0 | - | 4.92 | 1,290,113 |
| Countries that Start with J | 0 | - | 4.98 | 603,743 |
| Countries that Start with K | 0 | - | 4.97 | 817,278 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,474 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,507 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,916 |
| Countries that Start with S | 0 | - | 4.98 | 1,757,344 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,177 |
| Countries that Start with U | 0 | - | 4.97 | 905,596 |
| Countries that Start with V | 0 | - | 4.98 | 610,108 |
| Countries that Start with F | 0 | - | 4.83 | 618,668 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,646 |
| Countries that Start with R | 0 | - | 4.43 | 448,352 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,439 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,489 |
| NATO Countries | 0 | - | 4.98 | 281,517 |
| EU Countries Quiz | 0 | - | 4.99 | 275,475 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,285 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,421 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,198 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,931 |
| Countries with NO Military | 0 | - | 4.97 | 62,621 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,790 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,582,877 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,699 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,914 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,576 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,667 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,715 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,909 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,492 |
| Buddhist Countries | 0 | - | 4.96 | 144,596 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,946 |
| Landlocked Countries | 0 | - | 4.99 | 421,967 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,727 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,605 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,759 |
| Orthodox Countries | 0 | - | 4.92 | 132,230 |
| Richest Island Countries | 0 | - | 4.84 | 100,772 |
| Battle to Country | 0 | - | 4.91 | 53,505 |
| Monarchies of Europe | 0 | - | 4.90 | 98,335 |
| Monarchies of Asia | 0 | - | 4.97 | 71,212 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,650 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,574 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,610 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,117 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,011 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,643 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,633 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,962 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,520 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,594 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,506 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,509 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,704 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,996 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,472 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,585 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,333 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,679 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,573 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,497 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,253 |
| Island Countries | 0 | - | 4.99 | 711,054 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,451 |
| Himalayan Countries | 0 | - | 4.94 | 138,720 |
| Andean Countries | 0 | - | 4.93 | 84,603 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,803 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,822 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,426 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,805 |
| Danube Countries | 0 | - | 4.97 | 72,009 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,016 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,422 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,307 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,787 |
| European Landlocked Countries | 0 | - | 4.99 | 147,147 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,244 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,765 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,594 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,723 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,542 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,226 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,660 |
| Countries in the Alps | 0 | - | 4.87 | 118,202 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,129 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,037 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,644 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,598 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,511 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,946 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,673 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,492 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,179 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,849 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,652 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,527 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,225 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,468 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,522 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,909 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,308 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,792 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,076 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,940 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,112 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,232 |
| Largest Countries By Category | 0 | - | 4.97 | 158,213 |
| Countries by Countries | 0 | - | 4.96 | 63,221 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,366 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,663 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,049 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,685 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,287 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,675 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,870 |
| Northernmost Countries | 0 | - | 4.99 | 361,963 |
| Countries of South America | 0 | - | 5.00 | 927,328 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,879 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,286 |
| "Land" Countries | 0 | - | 4.98 | 337,338 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,305 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,234 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,188 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,416 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,252 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,511 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,459 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,996 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,481 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,295 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,102 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,406 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,171 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,973 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,893 |
| Countries with Megacities | 0 | - | 4.99 | 264,565 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,740 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,468 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,999 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,541 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,364 |
| Countries by Official Language | 0 | - | 4.95 | 195,245 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,196 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,371 |
| Countries in their Native Language | 0 | - | 4.99 | 199,043 |
| Independence from Whom | 0 | - | 4.99 | 212,093 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,729 |
| Countries in World War I | 0 | - | 4.88 | 228,439 |
| Megadiverse Countries | 0 | - | 4.96 | 135,011 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,340 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,086 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,348 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,234 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,100 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,138 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,596 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,465 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,031 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,657 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,146 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,667 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,882 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,202 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,964 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,553 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,347 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,498 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,178 |
| World Map Quiz | 0 | - | 4.81 | 65,083 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,294 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,348 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,095 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,278 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,996 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,188 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,891 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,010 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,299 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,439 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,573 |
| Widest Countries East to West | 0 | - | 4.92 | 129,646 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,456 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,378 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,121 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,768 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,599 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,872 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,371 |
