| Countries by Number of Books Published | 0 | - | 4.95 | 72,931 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,039 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,614 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,633 |
| NATO Countries | 0 | - | 4.98 | 282,500 |
| EU Countries Quiz | 0 | - | 4.99 | 276,713 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,281 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,699 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,792 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,376 |
| Countries with NO Military | 0 | - | 4.97 | 62,922 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,710 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,424 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,329 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,746 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,475 |
| Coldest World Capitals | 0 | - | 4.95 | 134,054 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,261 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,967 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,880 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,037 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,808 |
| Buddhist Countries | 0 | - | 4.96 | 144,835 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,341 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,241 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,343 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,260 |
| Countries that Start with D | 0 | - | 4.96 | 714,115 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,371 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,665 |
| Countries that Start with H | 0 | - | 4.96 | 607,928 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,456 |
| Countries that Start with J | 0 | - | 4.98 | 605,407 |
| Countries that Start with K | 0 | - | 4.97 | 819,089 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,715 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,757 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,052 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,343 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,296 |
| Countries that Start with U | 0 | - | 4.97 | 907,178 |
| Countries that Start with V | 0 | - | 4.98 | 611,071 |
| Countries that Start with F | 0 | - | 4.83 | 620,028 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,052 |
| World Currency Quiz | 0 | - | 4.92 | 305,516 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,005 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,327 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,697 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,892 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,401 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,275 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,422 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,097 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,141 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,310 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,690 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,071 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,368 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,818 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,432 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,078 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,277 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,112 |
| Orthodox Countries | 0 | - | 4.92 | 132,543 |
| Richest Island Countries | 0 | - | 4.85 | 100,996 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,595 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,738 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,181 |
| Battle to Country | 0 | - | 4.91 | 53,734 |
| Monarchies of Europe | 0 | - | 4.90 | 98,591 |
| Monarchies of Asia | 0 | - | 4.97 | 71,367 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,373 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,418 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,132 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,520 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,737 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,995 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,665 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,911 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,342 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,984 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,436 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,157 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,934 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,875 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,230 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,640 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,756 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,783 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,741 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,887 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,277 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,814 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,576 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,519 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,615 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,663 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,427 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,590 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,846 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,857 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,511 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,173 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,101 |
| WWII Geography | 0 | - | 4.81 | 120,772 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,004 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,748 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,071 |
| Books by Country Quiz | 0 | - | 4.30 | 32,297 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,066 |
| Name a Country A-Z | 0 | - | 5.00 | 244,927 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,854 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,554 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,351 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,158 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,832 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,762 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,847 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,990 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,209 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,358 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,273 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,714 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,108 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,243 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,210 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,466 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,732,536 |
| All OPEC Countries Ever | 0 | - | 4.74 | 99,725 |
| Countries in World War I | 0 | - | 4.88 | 228,774 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,747 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,749 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,399 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,751 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,215 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,354 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,562 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,259 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,165 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,679 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,920 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,891 |
| Rivers of the United States | 0 | - | 4.93 | 66,518 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,663 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,283 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,126 |
| Boundary Waters | 0 | - | 4.92 | 88,669 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,483 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,054 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,791 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,797 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,497 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,799 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,229 |
| US States and State Capitals | 0 | - | 4.99 | 164,526 |
| Landlocked Countries | 0 | - | 4.99 | 423,821 |
| Sharia Law Countries | 0 | - | 4.48 | 63,895 |
| Countries Richer Than Their Neighbors | 0 | - | 4.47 | 72,866 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,044 |
| Oil Export Dependent Countries | 0 | - | 4.56 | 49,988 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,356 |
| Countries of the World in Plague Inc. | 0 | - | 4.53 | 30,169 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,862 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,112 |
| Countries that Start with R | 0 | - | 4.43 | 449,360 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,530 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,854 |
| Hawaiian Islands | 0 | - | 4.83 | 42,845 |
| NBA 2K Highest Rated Players | 0 | - | 4.45 | 335,414 |
| Biblical Geography | 0 | - | 4.40 | 67,294 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,820 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,710 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,730 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,244 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,764 |
| Busiest Container Ports | 0 | - | 4.11 | 37,476 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,415 |
| U.S. College Towns | 0 | - | 4.47 | 29,276 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,288 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,069 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,427 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,101 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,558 |
| Island Countries | 0 | - | 4.99 | 711,760 |
| Countries in World War II | 0 | - | 4.54 | 916,879 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,349 |
| Himalayan Countries | 0 | - | 4.94 | 139,524 |
| Andean Countries | 0 | - | 4.94 | 85,062 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,244 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,454 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,303 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,806 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,117 |
| Danube Countries | 0 | - | 4.97 | 72,209 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,306 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,624 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,708 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,214 |
| European Landlocked Countries | 0 | - | 4.99 | 147,377 |