| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,344 |
| NATO Countries | 0 | - | 4.98 | 281,359 |
| EU Countries Quiz | 0 | - | 4.99 | 275,294 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,143 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,205 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,113 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,985 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,490 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 148,868 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,672 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,876 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,306 |
| Countries with NO Military | 0 | - | 4.97 | 62,573 |
| Monarchies of the World | 0 | - | 4.94 | 169,128 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,761 |
| People on Money by Country | 0 | - | 4.83 | 60,488 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 153,634 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 117,525 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 168,628 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 87,848 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,529 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,560,785 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,334 |
| Landlocked Countries | 0 | - | 4.99 | 421,691 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,791 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,310 |
| Himalayan Countries | 0 | - | 4.95 | 138,601 |
| Andean Countries | 0 | - | 4.93 | 84,532 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,723 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,721 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,360 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,751 |
| Danube Countries | 0 | - | 4.97 | 71,972 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,972 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,387 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,245 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,286 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,733 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,983 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,723 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,489 |
| European Landlocked Countries | 0 | - | 4.99 | 147,108 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,580 |
| Countries with the Most Species | 0 | - | 4.99 | 103,207 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,713 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,696 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,228 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,519 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,203 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,628 |
| Countries in the Alps | 0 | - | 4.87 | 118,164 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,919 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,991 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,626 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,506 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,569 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,467 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,925 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,640 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,465 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,161 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,817 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,638 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,499 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,195 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,441 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,492 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,834 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,287 |
| Most Guessed Cities by Country #2 | 0 | - | 4.94 | 79,565 |
| Most Guessed Cities by Country #1 | 0 | - | 4.88 | 102,178 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,337 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,028 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,781 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,016 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,201 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,616 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,689 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,887 |
| Largest Countries By Category | 0 | - | 4.97 | 158,171 |
| Countries by Countries | 0 | - | 4.96 | 63,169 |
| Five Least Guessed Countries by Continent | 0 | - | 4.97 | 98,616 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,072 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,591 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,650 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,271 |
| Buddhist Countries | 0 | - | 4.96 | 144,551 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,556 |
| Most Guessed Countries on JetPunk | 0 | - | 4.96 | 197,989 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,651 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,856 |
| Coldest Countries | 0 | - | 4.97 | 138,658 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,859 |
| Countries with the Most Nobel Prizes | 0 | - | 4.87 | 90,626 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 82,810 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,979 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,679 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,407 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,336 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,438 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,021 |
| Island Countries | 0 | - | 4.99 | 710,938 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,499 |
| Northernmost Countries | 0 | - | 4.99 | 361,823 |
| Countries of South America | 0 | - | 5.00 | 926,991 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,402 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,425 |
| "Land" Countries | 0 | - | 4.98 | 337,258 |
| Richest Island Countries | 0 | - | 4.85 | 100,737 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,958 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,567 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,491 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,548 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,066 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,021 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,608 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,596 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,925 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,507 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,572 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,360 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,476 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,677 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,587 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,734 |
| Countries that Start with B | 0 | - | 4.95 | 2,297,225 |
| Countries that Start with C | 0 | - | 4.96 | 1,824,359 |
| Countries that Start with D | 0 | - | 4.96 | 711,286 |
| Countries that Start with E | 0 | - | 4.95 | 1,379,072 |
| Countries that Start with G | 0 | - | 4.97 | 1,505,354 |
| Countries that Start with H | 0 | - | 4.96 | 605,915 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,817 |
| Countries that Start with J | 0 | - | 4.98 | 603,536 |
| Countries that Start with K | 0 | - | 4.97 | 817,038 |
| Countries that Start with L | 0 | - | 4.98 | 1,092,181 |
| Countries that Start with N | 0 | - | 4.93 | 1,119,197 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,625 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,919 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,974 |
| Countries that Start with U | 0 | - | 4.97 | 905,423 |
| Countries that Start with V | 0 | - | 4.98 | 609,970 |
| Countries that Start with F | 0 | - | 4.83 | 618,506 |
| Countries that Start with M | 0 | - | 4.97 | 1,383,329 |
| Five Most Guessed Countries by Continent | 0 | - | 4.97 | 173,418 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,437 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,541 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,810 |
| Countries with Megacities | 0 | - | 4.99 | 264,387 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,669 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,433 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,935 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,498 |
| Countries by Official Language | 0 | - | 4.95 | 195,201 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,287 |
| Countries in their Native Language | 0 | - | 4.99 | 198,990 |
| Independence from Whom | 0 | - | 4.99 | 212,024 |
| Subdivisions by Country | 0 | - | 4.86 | 50,421 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,678 |
| Megadiverse Countries | 0 | - | 4.96 | 134,983 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,033 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,332 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,218 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,093 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,086 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,578 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,424 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,012 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,632 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,131 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,629 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,860 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,186 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,948 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,335 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,476 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,110 |
| World Map Quiz | 0 | - | 4.81 | 65,045 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,141 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,328 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,027 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,244 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,965 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,122 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,858 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,981 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,269 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,424 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,551 |
| Widest Countries East to West | 0 | - | 4.92 | 129,619 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,442 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,346 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,110 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,749 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,562 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,840 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,364 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,795 |
| Countries with Double Letters | 0 | - | 4.96 | 96,166 |
