| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,722 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,946 |
| Countries that Start with A | 0 | - | 4.98 | 2,170,245 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,334 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,576 |
| Countries that Start with D | 0 | - | 4.96 | 713,641 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,797 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,083 |
| Countries that Start with H | 0 | - | 4.96 | 607,564 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,000 |
| Countries that Start with J | 0 | - | 4.98 | 605,061 |
| Countries that Start with K | 0 | - | 4.97 | 818,699 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,256 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,301 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,622 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,733 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,944 |
| Countries that Start with U | 0 | - | 4.97 | 906,634 |
| Countries that Start with V | 0 | - | 4.98 | 610,865 |
| Countries that Start with F | 0 | - | 4.83 | 619,751 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,582 |
| Countries that Start with R | 0 | - | 4.43 | 449,135 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,688 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,420 |
| NATO Countries | 0 | - | 4.98 | 282,280 |
| EU Countries Quiz | 0 | - | 4.99 | 276,452 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,095 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,429 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,686 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,286 |
| Countries with NO Military | 0 | - | 4.97 | 62,869 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,908 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,702,772 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,476 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,317 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,183 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,905 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,854 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,017 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,762 |
| Buddhist Countries | 0 | - | 4.96 | 144,795 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,275 |
| Landlocked Countries | 0 | - | 4.99 | 423,466 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,789,385 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,678 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,040 |
| Orthodox Countries | 0 | - | 4.92 | 132,481 |
| Richest Island Countries | 0 | - | 4.85 | 100,953 |
| Battle to Country | 0 | - | 4.91 | 53,697 |
| Monarchies of Europe | 0 | - | 4.90 | 98,539 |
| Monarchies of Asia | 0 | - | 4.97 | 71,343 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,218 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,274 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,008 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,428 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,136 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,883 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,831 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,171 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,623 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,723 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,535 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,703 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,849 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,223 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,752 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,793 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,486 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,811 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,362 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,897 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,994 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,312 |
| Island Countries | 0 | - | 4.99 | 711,609 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,198 |
| Himalayan Countries | 0 | - | 4.94 | 139,385 |
| Andean Countries | 0 | - | 4.94 | 84,971 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,181 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,349 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,748 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,061 |
| Danube Countries | 0 | - | 4.97 | 72,175 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,256 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,577 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,630 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,136 |
| European Landlocked Countries | 0 | - | 4.99 | 147,327 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,912 |
| Countries with the Most Species | 0 | - | 4.99 | 103,388 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,052 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,666 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,655 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,410 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,812 |
| Countries in the Alps | 0 | - | 4.87 | 118,440 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,940 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,378 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,788 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,771 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,689 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,869 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,640 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,278 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,995 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,745 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,614 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,358 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,607 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,681 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,277 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,444 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,043 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,303 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,745 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,555 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,350 |
| Largest Countries By Category | 0 | - | 4.97 | 158,493 |
| Countries by Countries | 0 | - | 4.96 | 63,410 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,553 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,577 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,155 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,940 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,338 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,848 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,878 |
| Northernmost Countries | 0 | - | 4.99 | 362,786 |
| Countries of South America | 0 | - | 5.00 | 929,471 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,575 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,882,110 |
| "Land" Countries | 0 | - | 4.98 | 337,772 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,527 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,459 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,589 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,615 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,393 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,567 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,677 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 65,076 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,556 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,363 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,183 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,777 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,671 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,565 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,356 |
| Countries with Megacities | 0 | - | 4.99 | 265,633 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,144 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,705 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,410 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,782 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,449 |
| Countries by Official Language | 0 | - | 4.95 | 195,559 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,629 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,822 |
| Countries in their Native Language | 0 | - | 4.99 | 199,339 |
| Independence from Whom | 0 | - | 4.99 | 212,463 |
| Subdivisions by Country | 0 | - | 4.87 | 50,513 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,000 |
| Countries in World War I | 0 | - | 4.88 | 228,707 |
| Megadiverse Countries | 0 | - | 4.96 | 135,131 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,658 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,362 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,441 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,324 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,154 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,326 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,678 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,677 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,448 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,732 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,197 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,009 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,989 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,300 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,041 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,625 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,461 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,581 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,700 |
| World Map Quiz | 0 | - | 4.81 | 65,311 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,055 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,503 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,473 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,526 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,222 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,792 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,115 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,241 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,465 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,537 |
| Tallest Countries North to South | 0 | - | 4.83 | 124,873 |
| Widest Countries East to West | 0 | - | 4.92 | 129,961 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,498 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,963 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,417 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,881 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,764 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,031 |
