| Countries of the World Quiz | 0 | - | 5.00 | 47,616,379 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,639 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,606 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,767 |
| Countries by Road Signs | 0 | - | 4.98 | 54,054 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,779 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,364 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,474 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,506 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,542 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,214 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,516 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,020 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,113 |
| Flags with Crescents | 0 | - | 4.98 | 170,237 |
| Country Flag Trivia | 0 | - | 4.81 | 57,411 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,183 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,857 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,082 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,594 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,243 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,195 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,251 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,889 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,077 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,288 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,464 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,005 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,609 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,818 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,502 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,702 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,864 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,795 |
| Pixelated World Map | 0 | - | 5.00 | 143,677 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,801 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,799 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,904 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,690 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,327 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,760 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,844 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,249 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,676 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,020 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,223 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,312 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,193 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,881 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,555 |
| World Coats of Arms | 0 | - | 4.99 | 64,756 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,590 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,503 |
| Flags of North and South America | 0 | - | 4.99 | 374,534 |
| Flags to Languages | 0 | - | 4.95 | 173,949 |
| Former Flags | 0 | - | 4.97 | 108,011 |
| World Currency Quiz | 0 | - | 4.92 | 304,423 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,040 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,658 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,334 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,350 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 61,905 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,243 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,629 |
| Geography by Picture - B | 0 | - | 4.42 | 55,682 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,258 |
| Geography by Picture - R | 0 | - | 4.56 | 41,079 |
| Geography by Picture - T | 0 | - | 4.54 | 57,907 |
| Flags of Oceania | 0 | - | 5.00 | 260,711 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,768 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,632 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,099 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,419 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,029 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,070 |
| Boundary Waters | 0 | - | 4.92 | 88,598 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,319 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,791 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,656 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,970 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,949 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,324 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,853 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,876 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,137 |
| Cities by Airports | 0 | - | 4.47 | 101,919 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,415 |
| Landlocked Countries | 0 | - | 4.99 | 422,403 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 55,974 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,082 |
| Satellite Images #1 | 0 | - | 4.47 | 129,495 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,412 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,996 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,019 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,049 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,209 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,739 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,804 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,149 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,838 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,077 |
| Geography by Picture - G | 0 | - | 4.39 | 48,006 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,049 |
| Geography by Picture - M | 0 | - | 4.14 | 40,511 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,093 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,193 |
| Largest United States Airlines | 0 | - | 4.39 | 55,080 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,424 |
| Islands by Picture | 0 | - | 4.28 | 107,284 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,726 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,062 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,466 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,480 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,915 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,224 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,595 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,629 |
| Island Countries | 0 | - | 4.99 | 711,189 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,730 |
| Himalayan Countries | 0 | - | 4.95 | 138,924 |
| Andean Countries | 0 | - | 4.93 | 84,738 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,942 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,006 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,553 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,889 |
| 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 | 84,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,889 |
| European Landlocked Countries | 0 | - | 4.99 | 147,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,730 |
| Countries with the Most Species | 0 | - | 4.99 | 103,280 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,851 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,620 |
| 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 | 73,272 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,713 |
| Countries in the Alps | 0 | - | 4.87 | 118,279 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,387 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,124 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,696 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,639 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,565 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,985 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,724 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,547 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,204 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,899 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,681 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,553 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,263 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,519 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,574 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,276 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,349 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,009 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,574 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,005 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,351 |
| Similar Flags #1 | 0 | - | 4.75 | 130,317 |
| Similar Flags #2 | 0 | - | 4.74 | 137,608 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,288 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,592 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,149 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,152 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,252 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,269 |
| Largest Countries By Category | 0 | - | 4.97 | 158,292 |
| Countries by Countries | 0 | - | 4.96 | 63,289 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,749 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,932 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,729 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,066 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,715 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,394 |
| Northernmost Countries | 0 | - | 4.99 | 362,163 |
| Countries of South America | 0 | - | 5.00 | 927,967 |
| Countries of Oceania | 0 | - | 5.00 | 1,057,703 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,878,646 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,090 |
| "Land" Countries | 0 | - | 4.98 | 337,458 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,644 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,912 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,021 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,746 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,868 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,024 |
