| All Country Flags of the World | 0 | - | 5.00 | 3,644,017 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,786 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,191 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,272 |
| Flags with Crescents | 0 | - | 4.98 | 168,927 |
| Country Flag Trivia | 0 | - | 4.81 | 56,693 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,317 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,166 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,934 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,046 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,556 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,193 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,469 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,988 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,996 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,912 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,598 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,689 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,260 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,250 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,123 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,282 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,372 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,141 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,845 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,304 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,595 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,975 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,177 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,215 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,514 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,735 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,835 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,324 |
| Flags of North and South America | 0 | - | 4.99 | 371,534 |
| Flags to Languages | 0 | - | 4.95 | 173,305 |
| Former Flags | 0 | - | 4.97 | 107,405 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,838 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,362 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,256 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,614 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,876 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,739 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,512 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,985 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,214 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,226 |
| Flag Maths | 0 | - | 4.64 | 57,738 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,184 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,316 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,699 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,643 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,426 |
| World Coats of Arms | 0 | - | 4.99 | 64,288 |
| Similar Flags #1 | 0 | - | 4.74 | 129,706 |
| Similar Flags #2 | 0 | - | 4.74 | 137,016 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,200 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,479 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,903 |
| Emoji Flags | 0 | - | 4.35 | 43,991 |
| Countries by Road Signs | 0 | - | 4.98 | 53,592 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,399 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,174 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 24,152 |
| Select the World Flags | 0 | - | 4.27 | 37,648 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,721 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,804 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,271 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,944 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,049 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,840 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,402 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,784 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,204 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,667 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,424 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,857 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,927 |
| Pixelated World Map | 0 | - | 5.00 | 143,083 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,706 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,906 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,241 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,124 |
| Boundary Waters | 0 | - | 4.92 | 88,347 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,851 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,079 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,295 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,220 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,816 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,015 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,204 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,832 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,293 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,019 |
| Geography by Picture - B | 0 | - | 4.42 | 55,548 |
| Geography by Picture - H | 0 | - | 4.50 | 58,170 |
| Geography by Picture - N | 0 | - | 4.45 | 42,159 |
| Geography by Picture - R | 0 | - | 4.56 | 40,975 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Flags of Oceania | 0 | - | 5.00 | 257,869 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,826 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,841 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,598 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,961 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,445 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,285,793 |
| Flags of WW1 | 0 | - | 4.60 | 38,265 |
| Landlocked Countries | 0 | - | 4.99 | 418,200 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,243 |
| Satellite Images #1 | 0 | - | 4.46 | 129,265 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,221 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,838 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,838 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,920 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,792 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,802 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,472 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,560 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,564 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,795 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,739 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,618 |
| Himalayan Countries | 0 | - | 4.94 | 137,104 |
| Andean Countries | 0 | - | 4.95 | 83,771 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,014 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,394 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,691 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,253 |
| Danube Countries | 0 | - | 4.97 | 71,580 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,442 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,985 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,518 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,573 |
| European Landlocked Countries | 0 | - | 4.99 | 146,690 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,021 |
| Countries with the Most Species | 0 | - | 4.99 | 102,808 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,155 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,399 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,258 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,930 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,310 |
| Countries in the Alps | 0 | - | 4.87 | 117,583 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,061 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,241 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,368 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,908 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,020 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,184 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,127 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,928 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,492 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,871 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,133 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,158 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,035 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,007 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,534 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,425 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,981 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,059 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,942 |
| Largest Countries By Category | 0 | - | 4.97 | 157,531 |
| Countries by Countries | 0 | - | 4.96 | 62,774 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,118 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,137 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,454 |
| Merged Country Flags | 0 | - | 4.88 | 106,524 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,277 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,581 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,465 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,260 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,557 |
| Merged Countries #2 | 0 | - | 4.96 | 98,857 |
| Merged Countries #6 | 0 | - | 4.90 | 73,091 |
| Merged Countries #7 | 0 | - | 4.93 | 82,401 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,308 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,712 |
| Geography by Picture - A | 0 | - | 4.39 | 60,185 |
| Geography by Picture - D | 0 | - | 4.15 | 45,602 |
| Geography by Picture - F | 0 | - | 4.31 | 50,935 |
| Geography by Picture - G | 0 | - | 4.38 | 47,904 |
| Geography by Picture - J | 0 | - | 4.16 | 38,422 |
| Geography by Picture - K | 0 | - | 4.29 | 33,086 |
| Geography by Picture - C | 0 | - | 4.31 | 57,024 |
| Geography by Picture - L | 0 | - | 4.37 | 58,892 |
| Geography by Picture - M | 0 | - | 4.14 | 40,413 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,176 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,696 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,919 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,027 |
| Longest International Borders | 0 | - | 4.99 | 264,549 |
| Countries with Three Borders | 0 | - | 4.96 | 36,420 |
