| All Country Flags of the World | 0 | - | 5.00 | 3,690,645 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,897 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,207 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,031 |
| Flags with Crescents | 0 | - | 4.98 | 170,620 |
| Country Flag Trivia | 0 | - | 4.81 | 57,588 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,378 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,998 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,036 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,624 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,210 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,581 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,722 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,285 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,802 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,044 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,733 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,992 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,024 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,954 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,960 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,946 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,022 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,827 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,447 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,878 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,910 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,317 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,673 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,793 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,153 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,349 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,434 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,349 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,653 |
| Flags of North and South America | 0 | - | 4.99 | 375,187 |
| Flags to Languages | 0 | - | 4.95 | 174,112 |
| Former Flags | 0 | - | 4.97 | 108,150 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,097 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,816 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,756 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,112 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,964 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,044 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,391 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,987 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,030 |
| Flag Maths | 0 | - | 4.61 | 57,804 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,408 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,964 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,122 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,921 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,573 |
| World Coats of Arms | 0 | - | 4.99 | 64,829 |
| Similar Flags #1 | 0 | - | 4.75 | 130,425 |
| Similar Flags #2 | 0 | - | 4.74 | 137,733 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,080 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,498 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,187 |
| Emoji Flags | 0 | - | 4.35 | 44,199 |
| Countries by Road Signs | 0 | - | 4.98 | 54,144 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,859 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,398 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,762 |
| Select the World Flags | 0 | - | 4.27 | 37,879 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,284 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,042 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,621 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,315 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,396 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,041 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,618 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,943 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,952 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,082 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,124 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,493 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,224 |
| Pixelated World Map | 0 | - | 5.00 | 143,790 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,681 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,447 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,877 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,323 |
| Boundary Waters | 0 | - | 4.92 | 88,640 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,315 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,416 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,949 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,740 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,718 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,750 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,234 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,711 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,205 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,591 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,157 |
| Geography by Picture - B | 0 | - | 4.42 | 55,706 |
| Geography by Picture - H | 0 | - | 4.50 | 58,308 |
| Geography by Picture - N | 0 | - | 4.45 | 42,284 |
| Geography by Picture - R | 0 | - | 4.56 | 41,093 |
| Geography by Picture - T | 0 | - | 4.54 | 57,931 |
| Flags of Oceania | 0 | - | 5.00 | 261,195 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,999 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,260 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,197 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,539 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,151 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,682,912 |
| Flags of WW1 | 0 | - | 4.60 | 38,562 |
| Landlocked Countries | 0 | - | 4.99 | 423,244 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,263 |
| Satellite Images #1 | 0 | - | 4.47 | 129,542 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,451 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,032 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,060 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,071 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,293 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,860 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,784 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,156 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,608 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,630 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,038 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,106 |
| Himalayan Countries | 0 | - | 4.94 | 139,282 |
| Andean Countries | 0 | - | 4.93 | 84,919 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,135 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,297 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,712 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,029 |
| Danube Countries | 0 | - | 4.97 | 72,153 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,226 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,564 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,577 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,086 |
| European Landlocked Countries | 0 | - | 4.99 | 147,303 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,870 |
| Countries with the Most Species | 0 | - | 4.99 | 103,359 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,005 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,656 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,773 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,635 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,389 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,804 |
| Countries in the Alps | 0 | - | 4.87 | 118,407 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,847 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,321 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,769 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,743 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,656 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,061 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,846 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,627 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,259 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,980 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,732 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,603 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,341 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,586 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,657 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,224 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,426 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,897 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,280 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,613 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,489 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,332 |
| Largest Countries By Category | 0 | - | 4.97 | 158,442 |
| Countries by Countries | 0 | - | 4.96 | 63,383 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,897 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,330 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,597 |
| Merged Country Flags | 0 | - | 4.88 | 107,090 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,057 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,156 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,927 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,818 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,787,618 |
| Merged Countries #2 | 0 | - | 4.96 | 99,363 |
| Merged Countries #6 | 0 | - | 4.90 | 73,578 |
| Merged Countries #7 | 0 | - | 4.93 | 82,928 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,833 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,904 |
| Geography by Picture - A | 0 | - | 4.39 | 60,356 |
| Geography by Picture - D | 0 | - | 4.15 | 45,731 |
| Geography by Picture - F | 0 | - | 4.31 | 51,104 |
| Geography by Picture - G | 0 | - | 4.39 | 48,030 |
| Geography by Picture - J | 0 | - | 4.16 | 38,536 |
| Geography by Picture - K | 0 | - | 4.29 | 33,196 |
| Geography by Picture - C | 0 | - | 4.31 | 57,163 |
| Geography by Picture - L | 0 | - | 4.37 | 59,071 |
| Geography by Picture - M | 0 | - | 4.14 | 40,528 |
| Geography by Picture - P | 0 | - | 4.24 | 42,512 |
| Geography by Picture - S | 0 | - | 4.38 | 47,122 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,608 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,547 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,003 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,359 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,388 |
| Longest International Borders | 0 | - | 4.99 | 265,422 |
| Countries with Three Borders | 0 | - | 4.96 | 36,667 |
