| All Country Flags of the World | 0 | - | 5.00 | 3,679,027 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,740 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,836 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,186 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,326 |
| Flags with Crescents | 0 | - | 4.98 | 170,062 |
| Country Flag Trivia | 0 | - | 4.81 | 57,324 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,106 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,782 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,763 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,034 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,174 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,196 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,850 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,060 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,861 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,547 |
| World Coats of Arms | 0 | - | 4.99 | 64,697 |
| Flags to Languages | 0 | - | 4.95 | 173,906 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,680 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,158 |
| Geography by Picture - B | 0 | - | 4.42 | 55,669 |
| Geography by Picture - H | 0 | - | 4.50 | 58,277 |
| Geography by Picture - N | 0 | - | 4.45 | 42,246 |
| Geography by Picture - R | 0 | - | 4.56 | 41,069 |
| Geography by Picture - T | 0 | - | 4.54 | 57,896 |
| Countries by Road Signs | 0 | - | 4.98 | 54,008 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,823 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,341 |
| Select the World Flags | 0 | - | 4.27 | 37,830 |
| Geography by Picture - A | 0 | - | 4.39 | 60,319 |
| Geography by Picture - D | 0 | - | 4.15 | 45,703 |
| Geography by Picture - F | 0 | - | 4.31 | 51,067 |
| Geography by Picture - G | 0 | - | 4.39 | 47,994 |
| Geography by Picture - J | 0 | - | 4.16 | 38,510 |
| Geography by Picture - K | 0 | - | 4.29 | 33,171 |
| Geography by Picture - C | 0 | - | 4.31 | 57,123 |
| Geography by Picture - L | 0 | - | 4.37 | 59,035 |
| Geography by Picture - M | 0 | - | 4.14 | 40,502 |
| Geography by Picture - P | 0 | - | 4.24 | 42,474 |
| Geography by Picture - S | 0 | - | 4.38 | 47,079 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,153 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,944 |
| Flag Maths | 0 | - | 4.64 | 57,788 |
| Satellite Images #1 | 0 | - | 4.47 | 129,476 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,394 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,983 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,007 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,039 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,551 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,250 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,330 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,996 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,578 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,330 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,880 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,997 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,609 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,904 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,915 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,192 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,701 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,203 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,386 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,891 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,563 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,727 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,438 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,623 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,816 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,744 |
| Pixelated World Map | 0 | - | 5.00 | 143,621 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,739 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,759 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,853 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,650 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,287 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,714 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,828 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,227 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,532 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,632 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,980 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,174 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,276 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,140 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,564 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,015 |
| Flags of North and South America | 0 | - | 4.99 | 374,207 |
| Emoji Flags | 0 | - | 4.35 | 44,150 |
| Former Flags | 0 | - | 4.97 | 107,963 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,447 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,848 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,025 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,624 |
| Geography by Picture - E | 0 | - | 3.55 | 47,418 |
| Landforms by Picture | 0 | - | 4.31 | 20,700 |
| Geography by Picture - I | 0 | - | 4.00 | 39,463 |
| Geography by Picture - O | 0 | - | 4.01 | 28,172 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,451 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,159 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,646 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,111 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,536 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,102 |
| Flags of Oceania | 0 | - | 5.00 | 260,416 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,674 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,988 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,005 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,941 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,047 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,381 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,969 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,054 |
| Boundary Waters | 0 | - | 4.92 | 88,571 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,249 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,269 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,715 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,603 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,578 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,479 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,917 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,297 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,810 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,583,453 |
| Landlocked Countries | 0 | - | 4.99 | 421,976 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,863 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,838 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,295 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,786 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,200 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,125 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,414 |
| Islands by Picture | 0 | - | 4.28 | 107,234 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,709 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,020 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,414 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,425 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,574 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,170 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,501 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,498 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,256 |
| Island Countries | 0 | - | 4.99 | 711,055 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,458 |
| Himalayan Countries | 0 | - | 4.94 | 138,728 |
| Andean Countries | 0 | - | 4.93 | 84,606 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,804 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,824 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,431 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,808 |
| Danube Countries | 0 | - | 4.97 | 72,011 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,016 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,423 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,310 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,790 |
| European Landlocked Countries | 0 | - | 4.99 | 147,147 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,644 |
| Countries with the Most Species | 0 | - | 4.99 | 103,244 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,768 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,594 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,723 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,542 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,229 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,661 |
| Countries in the Alps | 0 | - | 4.87 | 118,205 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,139 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,040 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,645 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,598 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,512 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,946 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,673 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,492 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,179 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,850 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,652 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,528 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,227 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,470 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,523 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,911 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,308 |
| Similar Flags #1 | 0 | - | 4.75 | 130,259 |
| Similar Flags #2 | 0 | - | 4.74 | 137,548 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,797 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,077 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,947 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,114 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,233 |
| Largest Countries By Category | 0 | - | 4.97 | 158,215 |
| Countries by Countries | 0 | - | 4.96 | 63,222 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,686 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,287 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,866 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,566 |
| Merged Country Flags | 0 | - | 4.88 | 106,948 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,586 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,026 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,676 |
