| All Country Flags of the World | 0 | - | 5.00 | 3,390,091 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,479,829 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,064,529 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 713,309 |
| Flags with Crescents | 0 | - | 4.98 | 159,775 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 97,182 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 64,638 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 80,058 |
| Flag Maths | 0 | - | 4.91 | 56,005 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 48,886 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 135,399 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 107,781 |
| Flags with the Most Stars | 0 | - | 4.90 | 118,733 |
| Flags that are Red & White Only | 0 | - | 4.97 | 140,298 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 138,876 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 48,689 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 42,583 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 50,809 |
| Country Flags with the Most Red | 0 | - | 4.97 | 114,248 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 88,220 |
| Country Flags with the Most Green | 0 | - | 4.95 | 95,401 |
| Country Flags with the Most Orange | 0 | - | 4.95 | 95,285 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 95,253 |
| Country Flags with the Most Black | 0 | - | 4.95 | 93,850 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,419 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,760 |
| Country Flags Slideshow | 0 | - | 4.89 | 44,315 |
| Countries by Partial Flag Images #2 | 0 | - | 4.96 | 94,906 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 69,941 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 55,744 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 35,295 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,338 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 340,181 |
| Flags to Languages | 0 | - | 4.95 | 167,917 |
| Former Flags | 0 | - | 4.98 | 103,003 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,288 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 40,961 |
| Countries by Partial Flag Images #7 | 0 | - | 4.86 | 25,667 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 29,467 |
| Random Flag to Country | 0 | - | 4.99 | 558,946 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 99,377 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 79,942 |
| Flags of the Mediterranean | 0 | - | 4.94 | 138,793 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 139,206 |
| Country Flag Trivia | 0 | - | 4.80 | 52,255 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 139,852 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 80,144 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,291 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,909 |
| World Coats of Arms | 0 | - | 4.99 | 61,503 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,550 |
| Similar Flags #1 | 0 | - | 4.74 | 124,979 |
| Similar Flags #2 | 0 | - | 4.78 | 121,372 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 136,847 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 49,105 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 164,048 |
| Emoji Flags | 0 | - | 4.36 | 42,852 |
| Countries by Road Signs | 0 | - | 4.98 | 50,596 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 58,801 |
| Islands by Shape #2 | 0 | - | 4.88 | 48,634 |
| Select the World Flags | 0 | - | 4.27 | 36,199 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 72,717 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 57,186 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 69,551 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 68,054 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 65,464 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,811 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,354 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 39,764 |
| Countries by Picture #1 | 0 | - | 4.53 | 95,886 |
| Countries by Picture #3 | 0 | - | 4.53 | 57,725 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 45,882 |
| Name a Valid Country Flag | 0 | - | 4.61 | 71,128 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.78 | 91,705 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,151,388 |
| Flags of Asia Quiz | 0 | - | 4.99 | 576,581 |
| Pixelated World Map | 0 | - | 5.00 | 137,951 |
| Flags of Africa Quiz | 0 | - | 5.00 | 434,422 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 73,475 |
| Satellite Images - Europe | 0 | - | 4.47 | 100,991 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,040 |
| Boundary Waters | 0 | - | 4.91 | 86,408 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 33,639 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 92,499 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 57,232 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 57,763 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 67,218 |
| Cities by Satellite #1 | 0 | - | 4.38 | 77,388 |
| Cities by Satellite #2 | 0 | - | 4.48 | 24,280 |
| Countries by Picture #4 | 0 | - | 4.17 | 44,141 |
| Countries by Picture #2 | 0 | - | 4.37 | 68,020 |
| Countries by Picture #5 | 0 | - | 4.25 | 42,229 |
| Countries by Picture #6 | 0 | - | 4.14 | 35,275 |
| Geography by Picture - B | 0 | - | 4.41 | 54,564 |
| Geography by Picture - H | 0 | - | 4.49 | 57,270 |
| Geography by Picture - N | 0 | - | 4.44 | 41,381 |
| Geography by Picture - R | 0 | - | 4.55 | 40,256 |
| Geography by Picture - T | 0 | - | 4.54 | 56,917 |
| Flags of Oceania | 0 | - | 5.00 | 240,644 |
| Three Band Flags of Europe | 0 | - | 4.97 | 185,656 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 60,149 |
| Pixelated Africa Map | 0 | - | 4.98 | 95,160 |
| Pixelated Asia Map | 0 | - | 4.92 | 69,462 |
| Pixelated Europe Map | 0 | - | 4.88 | 117,815 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,999,911 |
| Flags of WW1 | 0 | - | 4.64 | 36,438 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 391,608 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 491,862 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 127,354 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 107,537 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 87,604 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 48,571 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 37,948 |
| Cities by Picture #1 | 0 | - | 4.70 | 83,057 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,434 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,572 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 91,928 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,697 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,075 |
| World Capitals Quiz | 0 | - | 5.00 | 4,867,724 |
| Sahara Desert Countries | 0 | - | 4.98 | 150,116 |
| Himalayan Countries | 0 | - | 4.94 | 126,190 |
| Andean Countries | 0 | - | 4.93 | 71,045 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,473 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 116,187 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,810 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,893 |
| Danube Countries | 0 | - | 4.97 | 61,917 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,338 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,915 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,929 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,462 |
| European Landlocked Countries | 0 | - | 4.99 | 142,633 |
| Partially Recognized Countries | 0 | - | 4.98 | 100,225 |
| Countries with the Most Species | 0 | - | 4.99 | 93,296 |
| Countries 197 to 205 | 0 | - | 4.88 | 65,140 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,168 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,251 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,173 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,686 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,630 |
| Countries in the Alps | 0 | - | 4.86 | 112,297 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,802 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,853 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,185 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 91,742 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 112,158 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,798 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,351 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,652 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,618 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,679 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,839 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,643 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,992 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,656 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,488 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,347 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,613 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,516 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,888 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 227,077 |
| World Countries - Blind Typing | 0 | - | 5.00 | 98,127 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,851 |
| Largest Countries By Category | 0 | - | 4.97 | 152,758 |
| Countries by Countries | 0 | - | 4.96 | 59,441 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,458,837 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,510 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,018 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,588 |
| Merged Country Flags | 0 | - | 4.87 | 103,440 |
| All Countries by Population With a Map | 0 | - | 4.98 | 97,949 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 94,109 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 85,025 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,536,858 |
| Merged Countries #2 | 0 | - | 4.96 | 95,802 |
| Merged Countries #6 | 0 | - | 4.91 | 70,441 |
| Merged Countries #7 | 0 | - | 4.94 | 79,645 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 141,755 |
| Western Europe Map Quiz | 0 | - | 4.87 | 92,059 |
| Geography by Picture - A | 0 | - | 4.37 | 59,160 |
| Geography by Picture - D | 0 | - | 4.14 | 44,832 |
| Geography by Picture - F | 0 | - | 4.30 | 50,109 |
| Geography by Picture - G | 0 | - | 4.39 | 47,152 |
| Geography by Picture - J | 0 | - | 4.15 | 37,780 |
| Geography by Picture - K | 0 | - | 4.28 | 32,478 |
| Geography by Picture - C | 0 | - | 4.30 | 56,166 |
| Geography by Picture - L | 0 | - | 4.36 | 57,945 |
| Geography by Picture - M | 0 | - | 4.12 | 39,796 |
| Geography by Picture - P | 0 | - | 4.22 | 41,733 |
| Geography by Picture - S | 0 | - | 4.36 | 46,295 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 79,492 |
| Who Controls It? #1 | 0 | - | 4.83 | 47,487 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 32,865 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 199,521 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 115,619 |
| Longest International Borders | 0 | - | 4.99 | 245,040 |
| Countries with Three Borders | 0 | - | 4.96 | 34,747 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 39,876 |
| Largest Cities for each Latitude Degree | 0 | - | 5.00 | 45,618 |
