| One Country By Letter By Continent | 0 | - | 5.00 | 124,156 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,224 |
| Countries that Start with B | 0 | - | 4.95 | 2,295,894 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,257 |
| Countries that Start with D | 0 | - | 4.96 | 710,496 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,140 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,378 |
| Countries that Start with H | 0 | - | 4.96 | 605,385 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,072 |
| Countries that Start with J | 0 | - | 4.98 | 603,036 |
| Countries that Start with K | 0 | - | 4.97 | 816,477 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,489 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,503 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,912 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,893 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,452 |
| Countries that Start with U | 0 | - | 4.97 | 905,000 |
| Countries that Start with V | 0 | - | 4.98 | 609,680 |
| Countries that Start with F | 0 | - | 4.83 | 618,097 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,539 |
| Countries that Start with R | 0 | - | 4.43 | 447,955 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,254 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,840 |
| NATO Countries | 0 | - | 4.98 | 280,848 |
| EU Countries Quiz | 0 | - | 4.99 | 274,747 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,769 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,704 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,821 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,696 |
| Countries with NO Military | 0 | - | 4.97 | 62,451 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,681 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,509,512 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,977 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,646 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,384 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,519 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,627 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,837 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,341 |
| Buddhist Countries | 0 | - | 4.96 | 144,459 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,706 |
| Landlocked Countries | 0 | - | 4.99 | 421,100 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,001 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,554 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,578 |
| Orthodox Countries | 0 | - | 4.92 | 132,071 |
| Richest Island Countries | 0 | - | 4.85 | 100,640 |
| Battle to Country | 0 | - | 4.91 | 53,415 |
| Monarchies of Europe | 0 | - | 4.90 | 98,216 |
| Monarchies of Asia | 0 | - | 4.97 | 71,133 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,309 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,264 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,357 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,949 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,936 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,512 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,510 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,833 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,467 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,518 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,978 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,389 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,623 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,845 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,330 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,455 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,232 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,552 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,807 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,262 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,657 |
| Island Countries | 0 | - | 4.99 | 710,683 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,022 |
| Himalayan Countries | 0 | - | 4.95 | 138,338 |
| Andean Countries | 0 | - | 4.93 | 84,386 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,609 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,525 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,236 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,643 |
| Danube Countries | 0 | - | 4.97 | 71,907 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,883 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,310 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,109 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,579 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,473 |
| Countries with the Most Species | 0 | - | 4.99 | 103,154 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,622 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,678 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,475 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,156 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,565 |
| Countries in the Alps | 0 | - | 4.87 | 118,053 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,423 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,847 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,584 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,512 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,393 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,875 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,552 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,411 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,118 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,755 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,588 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,451 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,124 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,392 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,422 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,678 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,222 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,729 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,904 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,496 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,840 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,150 |
| Largest Countries By Category | 0 | - | 4.97 | 158,032 |
| Countries by Countries | 0 | - | 4.96 | 63,090 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,264 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,303 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,972 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,556 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,241 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,533 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,577 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,680 |
| Northernmost Countries | 0 | - | 4.99 | 361,544 |
| Countries of South America | 0 | - | 5.00 | 925,952 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,190 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,129 |
| "Land" Countries | 0 | - | 4.98 | 337,035 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,204 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,102 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,028 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,276 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,158 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,457 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,254 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,929 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,426 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,255 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 42,063 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,159 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,717 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,596 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,648 |
| Countries with Megacities | 0 | - | 4.99 | 263,929 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,501 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,341 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,771 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,396 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,318 |
| Countries by Official Language | 0 | - | 4.95 | 195,061 |
| All OPEC Countries Ever | 0 | - | 4.74 | 98,778 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,133 |
| Countries in their Native Language | 0 | - | 4.99 | 198,637 |
| Independence from Whom | 0 | - | 4.99 | 211,874 |
| Subdivisions by Country | 0 | - | 4.86 | 50,386 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,567 |
| Countries in World War I | 0 | - | 4.88 | 228,273 |
| Megadiverse Countries | 0 | - | 4.96 | 134,938 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,160 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,925 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,297 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,872 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,999 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,544 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,339 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,978 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,596 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,486 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,825 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,135 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,911 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,523 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,296 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,440 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,907 |
| World Map Quiz | 0 | - | 4.81 | 64,966 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,756 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,261 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,909 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,168 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,893 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,954 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,808 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,926 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,222 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,393 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,504 |
| Widest Countries East to West | 0 | - | 4.92 | 129,565 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,430 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,269 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,696 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,480 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,766 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,333 |
