| All Country Flags of the World | 0 | - | 5.00 | 3,661,341 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,807 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,706 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,298 |
| Flags with Crescents | 0 | - | 4.98 | 169,488 |
| Country Flag Trivia | 0 | - | 4.81 | 56,999 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,709 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,479 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,375 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,254 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,779 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,647 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,901 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,394 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,234 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,293 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,993 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,104 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,530 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,487 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,430 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,504 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,601 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,384 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,062 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,492 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,704 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,094 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,346 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,403 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,730 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,946 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,044 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,865 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,451 |
| Flags of North and South America | 0 | - | 4.99 | 372,910 |
| Flags to Languages | 0 | - | 4.95 | 173,612 |
| Former Flags | 0 | - | 4.97 | 107,689 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,932 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,519 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,432 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,947 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,028 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,711 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,132 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,507 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,526 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,618 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,538 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,829 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,746 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,489 |
| World Coats of Arms | 0 | - | 4.99 | 64,483 |
| Similar Flags #1 | 0 | - | 4.75 | 129,996 |
| Similar Flags #2 | 0 | - | 4.74 | 137,276 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,532 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,734 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,363 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Countries by Road Signs | 0 | - | 4.98 | 53,777 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,579 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,255 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,798 |
| Select the World Flags | 0 | - | 4.27 | 37,739 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,951 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,901 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,402 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,100 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,183 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,910 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,478 |
| Countries by Picture #1 | 0 | - | 4.53 | 105,510 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,815 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,813 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,688 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,485 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,217 |
| Pixelated World Map | 0 | - | 5.00 | 143,355 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,966 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,080 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,479 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,191 |
| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,146 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,052 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,404 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,449 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,383 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,045 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,068 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,721 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,687 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,739 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,409 |
| Geography by Picture - B | 0 | - | 4.42 | 55,596 |
| Geography by Picture - H | 0 | - | 4.50 | 58,222 |
| Geography by Picture - N | 0 | - | 4.45 | 42,201 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Flags of Oceania | 0 | - | 5.00 | 258,931 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,248 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,001 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,835 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,162 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,712 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,431,871 |
| Flags of WW1 | 0 | - | 4.60 | 38,368 |
| Landlocked Countries | 0 | - | 4.99 | 420,119 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,294 |
| Satellite Images #1 | 0 | - | 4.47 | 129,364 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,301 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,907 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,918 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,981 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,982 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,577 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,792 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,898 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,118 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,539 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,525 |
| Himalayan Countries | 0 | - | 4.95 | 137,942 |
| Andean Countries | 0 | - | 4.95 | 84,191 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,407 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,066 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,052 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,500 |
| Danube Countries | 0 | - | 4.97 | 71,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,727 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,176 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,892 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,062 |
| European Landlocked Countries | 0 | - | 4.99 | 146,922 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,313 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,473 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,475 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,642 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,410 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,093 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,482 |
| Countries in the Alps | 0 | - | 4.87 | 117,909 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,349 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,630 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,518 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,411 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,255 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,427 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,301 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,053 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,671 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,395 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,025 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,322 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,327 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,461 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,144 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,658 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,739 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,988 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,560 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,859 |
| Countries by Countries | 0 | - | 4.97 | 62,969 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,413 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,499 |
| Merged Country Flags | 0 | - | 4.88 | 106,739 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,955 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,771 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,624 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,467 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,238 |
| Merged Countries #2 | 0 | - | 4.96 | 99,043 |
| Merged Countries #6 | 0 | - | 4.90 | 73,243 |
| Merged Countries #7 | 0 | - | 4.93 | 82,598 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,530 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Geography by Picture - A | 0 | - | 4.39 | 60,246 |
| Geography by Picture - D | 0 | - | 4.15 | 45,653 |
| Geography by Picture - F | 0 | - | 4.31 | 50,998 |
| Geography by Picture - G | 0 | - | 4.38 | 47,944 |
| Geography by Picture - J | 0 | - | 4.16 | 38,462 |
| Geography by Picture - K | 0 | - | 4.29 | 33,122 |
| Geography by Picture - C | 0 | - | 4.31 | 57,067 |
| Geography by Picture - L | 0 | - | 4.37 | 58,957 |
| Geography by Picture - M | 0 | - | 4.14 | 40,457 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,038 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,331 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,435 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,817 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,493 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,886 |
| Countries with Three Borders | 0 | - | 4.96 | 36,518 |
