| All Country Flags of the World | 0 | - | 5.00 | 3,663,332 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,117 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,878 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,408 |
| Flags with Crescents | 0 | - | 4.98 | 169,567 |
| Country Flag Trivia | 0 | - | 4.81 | 57,026 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,756 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,426 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,273 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,233 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,803 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,786 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,018 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,482 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,314 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,391 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,064 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,202 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,572 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,553 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,482 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,532 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,644 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,415 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,091 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,520 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,718 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,114 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,377 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,442 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,767 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,976 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,070 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,899 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,469 |
| Flags of North and South America | 0 | - | 4.99 | 373,047 |
| Flags to Languages | 0 | - | 4.95 | 173,635 |
| Former Flags | 0 | - | 4.97 | 107,724 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,945 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,532 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,461 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,958 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,290 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,730 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,155 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,546 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,553 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,797 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,666 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,938 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,764 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,499 |
| World Coats of Arms | 0 | - | 4.99 | 64,508 |
| Similar Flags #1 | 0 | - | 4.75 | 130,022 |
| Similar Flags #2 | 0 | - | 4.74 | 137,304 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,563 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,766 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,426 |
| Emoji Flags | 0 | - | 4.35 | 44,092 |
| Countries by Road Signs | 0 | - | 4.98 | 53,816 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,608 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,267 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,889 |
| Select the World Flags | 0 | - | 4.27 | 37,745 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,966 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,913 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,436 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,131 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,205 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,930 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,503 |
| Countries by Picture #1 | 0 | - | 4.50 | 113,628 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,483 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,858 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,709 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,945 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,459 |
| Pixelated World Map | 0 | - | 5.00 | 143,384 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,192 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,098 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,521 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,195 |
| Boundary Waters | 0 | - | 4.92 | 88,459 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,159 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,076 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,431 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,403 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,077 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,074 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,292 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,575 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,212 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,830 |
| Geography by Picture - B | 0 | - | 4.42 | 55,606 |
| Geography by Picture - H | 0 | - | 4.50 | 58,226 |
| Geography by Picture - N | 0 | - | 4.45 | 42,203 |
| Geography by Picture - R | 0 | - | 4.56 | 41,023 |
| Geography by Picture - T | 0 | - | 4.54 | 57,840 |
| Flags of Oceania | 0 | - | 5.00 | 259,363 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,294 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,015 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,851 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,188 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,749 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,448,480 |
| Flags of WW1 | 0 | - | 4.60 | 38,377 |
| Landlocked Countries | 0 | - | 4.99 | 420,346 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,843 |
| Satellite Images #1 | 0 | - | 4.47 | 129,376 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,312 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,917 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,931 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,006 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,593 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,820 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,939 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,879 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,639 |
| Himalayan Countries | 0 | - | 4.95 | 138,042 |
| Andean Countries | 0 | - | 4.95 | 84,234 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,461 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,283 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,098 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,540 |
| Danube Countries | 0 | - | 4.97 | 71,813 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,761 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,206 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,938 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,388 |
| European Landlocked Countries | 0 | - | 4.99 | 146,950 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,353 |
| Countries with the Most Species | 0 | - | 4.99 | 103,074 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,514 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,494 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,652 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,432 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,497 |
| Countries in the Alps | 0 | - | 4.87 | 117,942 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,115 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,671 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,540 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,434 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,285 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,455 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,326 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,067 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,695 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,560 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,415 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,057 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,338 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,352 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,493 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,166 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,679 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,788 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,100 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,627 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,095 |
| Largest Countries By Category | 0 | - | 4.97 | 157,905 |
| Countries by Countries | 0 | - | 4.97 | 63,001 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,441 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,505 |
| Merged Country Flags | 0 | - | 4.88 | 106,761 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,032 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,791 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,659 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,688 |
| Merged Countries #2 | 0 | - | 4.96 | 99,067 |
| Merged Countries #6 | 0 | - | 4.90 | 73,269 |
| Merged Countries #7 | 0 | - | 4.93 | 82,614 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,552 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Geography by Picture - A | 0 | - | 4.39 | 60,257 |
| Geography by Picture - D | 0 | - | 4.15 | 45,661 |
| Geography by Picture - F | 0 | - | 4.31 | 51,005 |
| Geography by Picture - G | 0 | - | 4.38 | 47,948 |
| Geography by Picture - J | 0 | - | 4.16 | 38,466 |
| Geography by Picture - K | 0 | - | 4.29 | 33,126 |
| Geography by Picture - C | 0 | - | 4.31 | 57,075 |
| Geography by Picture - L | 0 | - | 4.37 | 58,965 |
| Geography by Picture - M | 0 | - | 4.14 | 40,461 |
| Geography by Picture - P | 0 | - | 4.24 | 42,436 |
| Geography by Picture - S | 0 | - | 4.38 | 47,040 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,346 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,438 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,823 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,553 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,173 |
| Longest International Borders | 0 | - | 4.99 | 264,919 |
| Countries with Three Borders | 0 | - | 4.96 | 36,522 |
