| Countries Farthest From the Sea | 0 | - | 4.98 | 74,666 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,062 |
| Countries With No Rivers | 0 | - | 4.96 | 76,763 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,062 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,737 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,370 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,397 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,446 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,418 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,937 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,794 |
| Countries with Fjords | 0 | - | 4.94 | 100,851 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,656 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,465 |
| World's Longest Rivers | 0 | - | 4.89 | 136,561 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,614 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,819 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,004 |
| North Sea Countries | 0 | - | 4.92 | 87,363 |
| Black Sea Countries | 0 | - | 4.87 | 60,591 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,354 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,454 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,212 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,643 |
| Seas on the World Map | 0 | - | 4.96 | 135,272 |
| Seas of the World | 0 | - | 5.00 | 156,702 |
| Biggest City by River | 0 | - | 4.41 | 52,842 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,528 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,702 |
| Megadiverse Countries | 0 | - | 4.96 | 134,835 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,085 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,502 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,652 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,764 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 144,553 |
| Geologic Time Scale | 0 | - | 4.41 | 10,008 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,376 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,377 |
| Famous Rivers | 0 | - | 4.75 | 104,937 |
| City to River #1 | 0 | - | 4.59 | 35,844 |
| Most Populous River Basins | 0 | - | 4.55 | 39,701 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,333 |
| Largest City by Island | 0 | - | 4.87 | 71,803 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,735 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,307 |
| African Island Countries | 0 | - | 4.96 | 101,557 |
| Islands by Country #1 | 0 | - | 4.88 | 175,222 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,799 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,229 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,226 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,612 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,980 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,643 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,299 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,144 |
| Richest Island Countries | 0 | - | 4.84 | 100,452 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,141 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,011 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,223 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,001 |
| Rivers by City | 0 | - | 4.38 | 31,712 |
| Rivers on Borders | 0 | - | 4.02 | 22,691 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,028 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,014 |
| South China Sea Countries | 0 | - | 4.78 | 57,685 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,894 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,350 |
| African Great Lakes | 0 | - | 4.82 | 66,171 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,527 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,537 |
| Boundary Waters | 0 | - | 4.92 | 88,439 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,129 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,022 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,409,175 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,345 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,375 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,424 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,334 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,861 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,938 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,146 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,528 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,509 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,251 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,364 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,960 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,275 |
| Countries Closest to India | 0 | - | 4.97 | 102,725 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,584 |
| Countries Closest to Italy | 0 | - | 4.97 | 197,942 |
| Countries Closest to Ethiopia | 0 | - | 4.90 | 68,902 |
| Seas of Europe | 0 | - | 4.37 | 84,623 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,610 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,392 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,699 |
| Landlocked Countries | 0 | - | 4.99 | 419,851 |
| Asian Island Nations | 0 | - | 4.63 | 94,148 |
| Islands by Country #2 | 0 | - | 4.80 | 77,392 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,295 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,359 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,678 |
| Rivers A-Z | 0 | - | 4.35 | 32,774 |
| Sea in the Answers | 0 | - | 4.10 | 48,905 |
| East Asian Islands on the Map | 0 | - | 4.54 | 33,082 |
| Islands A-Z | 0 | - | 4.46 | 124,170 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,556 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,755 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,855 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,795 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,091 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,862 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,867 |
| Island Countries | 0 | - | 4.99 | 710,150 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,391 |
| Himalayan Countries | 0 | - | 4.95 | 137,820 |
| Andean Countries | 0 | - | 4.95 | 84,125 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,352 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,911 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,990 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,463 |
| Danube Countries | 0 | - | 4.97 | 71,757 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,686 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,153 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,835 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,910 |
| European Landlocked Countries | 0 | - | 4.99 | 146,879 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,264 |
| Countries with the Most Species | 0 | - | 4.99 | 103,020 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,422 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,462 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,632 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,387 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,060 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,458 |
| Countries in the Alps | 0 | - | 4.87 | 117,856 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,247 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,576 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,478 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,364 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,224 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,791 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,390 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,271 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,032 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,639 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,532 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,381 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,003 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,283 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,296 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,402 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,127 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,634 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,690 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,838 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,487 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,808 |
| Countries by Countries | 0 | - | 4.97 | 62,939 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,378,025 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,360 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,494 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,438 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,115 |
| Northernmost Countries | 0 | - | 4.99 | 360,934 |
| Countries of South America | 0 | - | 5.00 | 924,233 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,003 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,795 |
| "Land" Countries | 0 | - | 4.98 | 336,038 |
| Countries Closest to Europe | 0 | - | 4.70 | 109,885 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,348 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,500 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,783 |
| All Country Flags of the World | 0 | - | 5.00 | 3,658,804 |
| Top World Languages | 0 | - | 4.92 | 821,392 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,310 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,424 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,067 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,392 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,138 |
| Longest International Borders | 0 | - | 4.99 | 264,839 |
| Countries with Three Borders | 0 | - | 4.96 | 36,508 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,972 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,092 |
| Demonym of Every Country | 0 | - | 4.91 | 59,260 |
| Asian Islands | 0 | - | 4.49 | 20,831 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,969 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,368 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,268 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,746 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,101 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,294 |
| Countries with Megacities | 0 | - | 4.99 | 262,659 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,134 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,140 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,429 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,187 |