| Countries with Wild Tigers | 0 | - | 4.96 | 136,997 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,313 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,324 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,406 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,683 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,285 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,798 |
| Megadiverse Countries | 0 | - | 4.96 | 135,054 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,836,403 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,634,889 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,043 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,942 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,328 |
| World Capitals by Map | 0 | - | 5.00 | 287,603 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,503 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,913 |
| Countries with Fjords | 0 | - | 4.94 | 101,068 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,316 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,861 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,395 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,760 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,575 |
| African East Coast | 0 | - | 4.96 | 96,318 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,686 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,955 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,619 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,427 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,468 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,327 |
| Megacities on a World Map | 0 | - | 4.98 | 255,480 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,228 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,326 |
| 500 Biggest Cities in the World on a Map | 0 | - | 4.97 | 123,081 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,008 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,014 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,956 |
| Pixelated World Map | 0 | - | 5.00 | 143,677 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,090 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,461 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,599 |
| Countries of Europe before World War II with a Map | 0 | - | 4.95 | 53,668 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,388 |
| Countries Closest to Antarctica on a Map | 0 | - | 4.98 | 81,046 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,390 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,160 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,439 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,173 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,579 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,392 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,681 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,509 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,857 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,536 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,928 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,856 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,620 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,035 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,120 |
| Boundary Waters | 0 | - | 4.92 | 88,600 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,320 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,792 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,657 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,617 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,769 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,708 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,741 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,086 |
| North Sea Countries | 0 | - | 4.92 | 87,509 |
| Black Sea Countries | 0 | - | 4.87 | 60,663 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,462 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,562 |
| Countries With No Rivers | 0 | - | 4.96 | 76,938 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,240 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,288 |
| Random Point on Land to Country | 0 | - | 4.99 | 235,918 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,946 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,397 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,317 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,445 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,438 |
| All Counties of the United States by Proximity | 0 | - | 4.98 | 308,236 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,985 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,604 |
| Seas on the World Map | 0 | - | 4.96 | 135,573 |
| Seas of the World | 0 | - | 5.00 | 157,502 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,099 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,419 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,029 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,644 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,794 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 83,626 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,144 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,363 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,173 |
| Animals in World History | 0 | - | 4.74 | 44,584 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,617,026 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,868 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,081 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,536 |
| Landlocked Countries | 0 | - | 4.99 | 422,411 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,545 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,726 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,742 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,255 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,396 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,671 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,826 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,221 |
| African Great Lakes | 0 | - | 4.82 | 66,544 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,038 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,594 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,634 |
| Roman Provinces on a Map | 0 | - | 4.54 | 37,076 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,122 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,146 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,739 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,602 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,800 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,346 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,058 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,727 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,064 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,468 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,481 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,868 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,738 |
| Himalayan Countries | 0 | - | 4.95 | 138,929 |
| Andean Countries | 0 | - | 4.93 | 84,741 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,943 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,009 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,554 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,891 |
| Danube Countries | 0 | - | 4.97 | 72,074 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,093 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,476 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,407 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,891 |
| European Landlocked Countries | 0 | - | 4.99 | 147,202 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,732 |
| Countries with the Most Species | 0 | - | 4.99 | 103,281 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,851 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,621 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,578 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,274 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,714 |
| Countries in the Alps | 0 | - | 4.87 | 118,281 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,392 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,124 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,697 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,640 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,567 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,986 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,728 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,549 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,204 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,904 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,554 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,263 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,522 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,575 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,008 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,352 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,298 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,150 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,159 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,255 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,269 |
| Largest Countries By Category | 0 | - | 4.97 | 158,294 |
| Countries by Countries | 0 | - | 4.96 | 63,292 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,479 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,750 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Merged Country Flags | 0 | - | 4.88 | 106,993 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,733 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,066 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,717 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,882 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,612 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,747 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,868 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,543 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,510 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,949 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,777 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,108 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,330 |
| Longest International Borders | 0 | - | 4.99 | 265,265 |
| Countries with Three Borders | 0 | - | 4.96 | 36,628 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,147 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,251 |
| Pixelated United States Map | 0 | - | 4.88 | 94,494 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,084 |
| Demonym of Every Country | 0 | - | 4.91 | 60,818 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,916 |
