| All Country Flags of the World | 0 | - | 5.00 | 3,656,638 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,535 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,981 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,284 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,024 |
| Flags with Crescents | 0 | - | 4.98 | 169,334 |
| Country Flag Trivia | 0 | - | 4.81 | 56,932 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,613 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,382 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,240 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,724 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,455 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,421 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,776 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,718 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,472 |
| World Coats of Arms | 0 | - | 4.99 | 64,431 |
| Flags to Languages | 0 | - | 4.95 | 173,527 |
| Geography by Picture - B | 0 | - | 4.42 | 55,587 |
| Geography by Picture - H | 0 | - | 4.50 | 58,210 |
| Geography by Picture - N | 0 | - | 4.45 | 42,190 |
| Geography by Picture - R | 0 | - | 4.56 | 41,012 |
| Geography by Picture - T | 0 | - | 4.54 | 57,824 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,959 |
| Countries by Road Signs | 0 | - | 4.98 | 53,727 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,236 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,441 |
| Geography by Picture - A | 0 | - | 4.39 | 60,230 |
| Geography by Picture - D | 0 | - | 4.15 | 45,645 |
| Geography by Picture - F | 0 | - | 4.31 | 50,984 |
| Geography by Picture - G | 0 | - | 4.38 | 47,936 |
| Geography by Picture - J | 0 | - | 4.16 | 38,454 |
| Geography by Picture - K | 0 | - | 4.29 | 33,120 |
| Geography by Picture - C | 0 | - | 4.31 | 57,054 |
| Geography by Picture - L | 0 | - | 4.37 | 58,938 |
| Geography by Picture - M | 0 | - | 4.14 | 40,446 |
| Geography by Picture - P | 0 | - | 4.24 | 42,425 |
| Geography by Picture - S | 0 | - | 4.38 | 47,033 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,218 |
| Flag Maths | 0 | - | 4.64 | 57,754 |
| Satellite Images #1 | 0 | - | 4.47 | 129,334 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,273 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,890 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,894 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,964 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,890 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,348 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,044 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,135 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,888 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,456 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,361 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,350 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,779 |
| Emoji Flags | 0 | - | 4.35 | 44,053 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,379 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,344 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,663 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,798 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,370 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,170 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,655 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,496 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,741 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,246 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,130 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,156 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,857 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,969 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,425 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,396 |
| Pixelated World Map | 0 | - | 5.00 | 143,289 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,330 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,427 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,534 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,313 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,996 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,435 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,672 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,056 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,303 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,344 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,664 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,883 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,984 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,786 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,400 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,379 |
| Flags of North and South America | 0 | - | 4.99 | 372,550 |
| Former Flags | 0 | - | 4.97 | 107,611 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,904 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,382 |
| Geography by Picture - E | 0 | - | 3.55 | 47,369 |
| Landforms by Picture | 0 | - | 4.31 | 20,668 |
| Geography by Picture - I | 0 | - | 4.00 | 39,415 |
| Geography by Picture - O | 0 | - | 4.01 | 28,134 |
| Boundary Waters | 0 | - | 4.92 | 88,424 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,123 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,001 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,316 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,407 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,335 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,988 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,052 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,325 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,046 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,406 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,106 |
| Flags of Oceania | 0 | - | 5.00 | 258,649 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,130 |
| Select the World Flags | 0 | - | 4.27 | 37,705 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,881 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,771 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,101 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,648 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,928 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,391,122 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,873 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,814 |
| Landlocked Countries | 0 | - | 4.99 | 419,664 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 569,971 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,359 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,655 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,091 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,423 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,538 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,723 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,813 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,032 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,248 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,298 |
| Himalayan Countries | 0 | - | 4.95 | 137,737 |
| Andean Countries | 0 | - | 4.95 | 84,081 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,323 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,854 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,954 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,435 |
| Danube Countries | 0 | - | 4.97 | 71,734 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,658 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,135 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,783 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,864 |
| European Landlocked Countries | 0 | - | 4.99 | 146,858 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,231 |
| Countries with the Most Species | 0 | - | 4.99 | 102,998 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,391 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,455 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,617 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,366 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,042 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,436 |
| Countries in the Alps | 0 | - | 4.87 | 117,811 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,213 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,526 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,466 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,245 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,194 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,775 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,368 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,260 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,018 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,624 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,522 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,368 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,991 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,255 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,273 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,340 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,114 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,621 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,645 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,708 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,426 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,038 |
| Largest Countries By Category | 0 | - | 4.97 | 157,780 |
| Countries by Countries | 0 | - | 4.96 | 62,921 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,324 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,180 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,486 |
| Merged Country Flags | 0 | - | 4.88 | 106,679 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,790 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,719 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,407 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,672 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,465 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,769 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,156 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,298 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,413 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,780 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,310 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,124 |
| Longest International Borders | 0 | - | 4.99 | 264,797 |
| Countries with Three Borders | 0 | - | 4.96 | 36,493 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,956 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,075 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,023 |
| Demonym of Every Country | 0 | - | 4.91 | 59,229 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,334 |
