| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,715 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,913 |
| Countries that Start with A | 0 | - | 4.98 | 2,169,993 |
| Countries that Start with B | 0 | - | 4.95 | 2,301,027 |
| Countries that Start with C | 0 | - | 4.96 | 1,827,379 |
| Countries that Start with D | 0 | - | 4.96 | 713,480 |
| Countries that Start with E | 0 | - | 4.95 | 1,381,634 |
| Countries that Start with G | 0 | - | 4.97 | 1,507,916 |
| Countries that Start with H | 0 | - | 4.96 | 607,466 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,858 |
| Countries that Start with J | 0 | - | 4.98 | 604,961 |
| Countries that Start with K | 0 | - | 4.97 | 818,597 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,134 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,191 |
| Countries that Start with P | 0 | - | 4.94 | 1,219,524 |
| Countries that Start with S | 0 | - | 4.98 | 1,759,571 |
| Countries that Start with T | 0 | - | 4.90 | 1,012,841 |
| Countries that Start with U | 0 | - | 4.97 | 906,564 |
| Countries that Start with V | 0 | - | 4.98 | 610,811 |
| Countries that Start with F | 0 | - | 4.83 | 619,672 |
| Countries that Start with M | 0 | - | 4.97 | 1,385,445 |
| Countries that Start with R | 0 | - | 4.43 | 449,092 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,660 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,361 |
| NATO Countries | 0 | - | 4.98 | 282,226 |
| EU Countries Quiz | 0 | - | 4.99 | 276,388 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,024 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,353 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,662 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,264 |
| Countries with NO Military | 0 | - | 4.97 | 62,851 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,402 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,901 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,282 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,842 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,694,239 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,162 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,892 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,841 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,010 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,745 |
| Buddhist Countries | 0 | - | 4.96 | 144,783 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,250 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,674 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,025 |
| Orthodox Countries | 0 | - | 4.92 | 132,464 |
| Richest Island Countries | 0 | - | 4.85 | 100,939 |
| Battle to Country | 0 | - | 4.91 | 53,686 |
| Monarchies of Europe | 0 | - | 4.90 | 98,518 |
| Monarchies of Asia | 0 | - | 4.97 | 71,339 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,172 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,228 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,967 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,390 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,126 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,863 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,815 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,158 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,615 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,710 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,466 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,684 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,832 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,202 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,730 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,771 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,476 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,790 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,294 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,743 |
| Landlocked Countries | 0 | - | 4.99 | 423,359 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,542 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,150 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,569 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,515 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,449 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,582 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,598 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,385 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,562 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,827 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,660 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,957 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,237 |
| Island Countries | 0 | - | 4.99 | 711,566 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,153 |
| Himalayan Countries | 0 | - | 4.94 | 139,344 |
| Andean Countries | 0 | - | 4.94 | 84,942 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,167 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,328 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,731 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,045 |
| Danube Countries | 0 | - | 4.97 | 72,166 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,241 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,569 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,606 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,112 |
| European Landlocked Countries | 0 | - | 4.99 | 147,322 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,894 |
| Countries with the Most Species | 0 | - | 4.99 | 103,377 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,028 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,661 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,643 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,401 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,808 |
| Countries in the Alps | 0 | - | 4.87 | 118,423 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,907 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,355 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,782 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,762 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,670 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,067 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,859 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,268 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,739 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,611 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,353 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,601 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,673 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,253 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,983 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,291 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,693 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,519 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,337 |
| Largest Countries By Category | 0 | - | 4.97 | 158,470 |
| Countries by Countries | 0 | - | 4.96 | 63,396 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,306 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,922 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,334 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,602 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,832 |
| One Border Countries - Shape Quiz | 0 | - | 4.85 | 65,069 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,552 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,356 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,173 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,699 |
| Northernmost Countries | 0 | - | 4.99 | 362,690 |
| Countries of South America | 0 | - | 5.00 | 929,351 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,375 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,773 |
| "Land" Countries | 0 | - | 4.98 | 337,734 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,760 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,489 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,513 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,440 |
| Countries in World War I | 0 | - | 4.88 | 228,683 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,638 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,620 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,840,184 |
| One Border Countries | 0 | - | 4.98 | 470,692 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,050 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,673 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,640,037 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,331 |
| Countries with Megacities | 0 | - | 4.99 | 265,557 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,127 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,691 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,766 |
| Countries by Official Language | 0 | - | 4.95 | 195,538 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,610 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,789 |
| Countries in their Native Language | 0 | - | 4.99 | 199,323 |
| Independence from Whom | 0 | - | 4.99 | 212,430 |
| Subdivisions by Country | 0 | - | 4.87 | 50,504 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,980 |
| Megadiverse Countries | 0 | - | 4.96 | 135,121 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,267 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,342 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,434 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,202 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,316 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,148 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,319 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,674 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,661 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,441 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,726 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,194 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,986 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,979 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,295 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,035 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,453 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,577 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,663 |
| World Map Quiz | 0 | - | 4.81 | 65,296 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,996 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,493 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,393 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,478 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,173 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,721 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 111,068 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,184 |
