| All Country Flags of the World | 0 | - | 5.00 | 3,631,277 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,406 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,868 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,524 |
| Flags with Crescents | 0 | - | 4.98 | 168,493 |
| Country Flag Trivia | 0 | - | 4.81 | 56,444 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,019 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,945 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,580 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,858 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,731 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,406 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,845 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,179 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,698 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,816 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,600 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,342 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,340 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,087 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,070 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,902 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,127 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,214 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,976 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,674 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,160 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,495 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,887 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,048 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,034 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,352 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,547 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,676 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,241 |
| Flags of North and South America | 0 | - | 4.99 | 370,258 |
| Flags to Languages | 0 | - | 4.95 | 173,040 |
| Former Flags | 0 | - | 4.97 | 107,193 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,780 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,212 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,106 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,424 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,630 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,829 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,251 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,368 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,896 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,000 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,009 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,379 |
| Flag Maths | 0 | - | 4.64 | 57,711 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,950 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,201 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,617 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,552 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,380 |
| World Coats of Arms | 0 | - | 4.99 | 64,146 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,962 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,271 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,602 |
| Similar Flags #1 | 0 | - | 4.74 | 129,523 |
| Similar Flags #2 | 0 | - | 4.74 | 136,812 |
| Emoji Flags | 0 | - | 4.35 | 43,934 |
| Countries by Road Signs | 0 | - | 4.98 | 53,430 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,264 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,110 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,557 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,572 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,731 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,224 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,197 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,862 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,996 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,795 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,349 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,655 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,135 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,570 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,953 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,258 |
| Pixelated World Map | 0 | - | 5.00 | 142,900 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,038 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,759 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,421 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,071 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,073 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,634 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,978 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,157 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,735 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,240 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,992 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,019 |
| Geography by Picture - B | 0 | - | 4.42 | 55,505 |
| Geography by Picture - H | 0 | - | 4.50 | 58,121 |
| Geography by Picture - N | 0 | - | 4.45 | 42,116 |
| Geography by Picture - R | 0 | - | 4.56 | 40,942 |
| Geography by Picture - T | 0 | - | 4.54 | 57,753 |
| Flags of Oceania | 0 | - | 5.00 | 257,066 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,524 |
| Flags of WW1 | 0 | - | 4.60 | 38,173 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,713 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,427 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,800 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,256 |
| Boundary Waters | 0 | - | 4.92 | 88,239 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,972 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,665 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,829 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,134 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,049 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,174,411 |
| Landlocked Countries | 0 | - | 4.99 | 416,800 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 562,270 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,281 |
| Satellite Images #1 | 0 | - | 4.46 | 129,183 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,144 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,783 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,783 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,889 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,662 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,452 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,741,490 |
| Merged Countries #2 | 0 | - | 4.96 | 98,733 |
| Merged Countries #6 | 0 | - | 4.90 | 72,973 |
| Merged Countries #7 | 0 | - | 4.93 | 82,238 |
| Geography by Picture - A | 0 | - | 4.39 | 60,139 |
| Geography by Picture - D | 0 | - | 4.15 | 45,562 |
| Geography by Picture - F | 0 | - | 4.31 | 50,899 |
| Geography by Picture - G | 0 | - | 4.38 | 47,868 |
| Geography by Picture - J | 0 | - | 4.16 | 38,388 |
| Geography by Picture - K | 0 | - | 4.29 | 33,062 |
| Geography by Picture - C | 0 | - | 4.31 | 56,992 |
| Geography by Picture - L | 0 | - | 4.37 | 58,851 |
| Geography by Picture - M | 0 | - | 4.14 | 40,389 |
| Geography by Picture - P | 0 | - | 4.24 | 42,361 |
| Geography by Picture - S | 0 | - | 4.38 | 46,972 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,254 |
| Islands by Picture | 0 | - | 4.29 | 106,400 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,380 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,357 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,306 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,560 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,996 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,385 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,149 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,871 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,884 |
| Island Countries | 0 | - | 4.99 | 708,871 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,002 |
| Himalayan Countries | 0 | - | 4.95 | 136,557 |
| Andean Countries | 0 | - | 4.95 | 83,515 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,779 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,045 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,451 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,045 |
| Danube Countries | 0 | - | 4.97 | 71,443 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,240 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,860 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,180 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,163 |
| European Landlocked Countries | 0 | - | 4.99 | 146,142 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,792 |
| Countries with the Most Species | 0 | - | 4.99 | 101,884 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,920 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,340 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,518 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,168 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,818 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,201 |
| Countries in the Alps | 0 | - | 4.86 | 117,351 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,919 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,934 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,262 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,758 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,840 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,269 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,004 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,002 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,817 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,344 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,372 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,209 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,739 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,014 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,746 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,906 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,437 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,266 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,074 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,612 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,840 |
| Largest Countries By Category | 0 | - | 4.97 | 157,285 |
| Countries by Countries | 0 | - | 4.96 | 62,603 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,895 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,082 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,410 |
| Merged Country Flags | 0 | - | 4.88 | 106,353 |
