| All Country Flags of the World | 0 | - | 5.00 | 3,660,896 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,716 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,669 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,273 |
| Flags with Crescents | 0 | - | 4.98 | 169,472 |
| Country Flag Trivia | 0 | - | 4.81 | 56,989 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,693 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,460 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,360 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,251 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,770 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,605 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,858 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,362 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,197 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,257 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,963 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,072 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,500 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,462 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,416 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,488 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,589 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,368 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,048 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,480 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,700 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,085 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,336 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,391 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,720 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,931 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,032 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,851 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,444 |
| Flags of North and South America | 0 | - | 4.99 | 372,871 |
| Flags to Languages | 0 | - | 4.95 | 173,605 |
| Former Flags | 0 | - | 4.97 | 107,681 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,928 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,516 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,422 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,940 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,933 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,699 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,126 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,499 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,521 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,561 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,489 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,804 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,741 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,486 |
| World Coats of Arms | 0 | - | 4.99 | 64,473 |
| Similar Flags #1 | 0 | - | 4.75 | 129,986 |
| Similar Flags #2 | 0 | - | 4.74 | 137,270 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,523 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,719 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,348 |
| Emoji Flags | 0 | - | 4.35 | 44,083 |
| Countries by Road Signs | 0 | - | 4.98 | 53,772 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,572 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,250 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,774 |
| Select the World Flags | 0 | - | 4.27 | 37,733 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,940 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,900 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,387 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,082 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,169 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,907 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,475 |
| Countries by Picture #1 | 0 | - | 4.53 | 102,292 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,586 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,802 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,677 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,368 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,166 |
| Pixelated World Map | 0 | - | 5.00 | 143,350 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,885 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,069 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,474 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,191 |
| Boundary Waters | 0 | - | 4.92 | 88,452 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,139 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,047 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,399 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,444 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,377 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,039 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,065 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,531 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,368 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,579 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,255 |
| Geography by Picture - B | 0 | - | 4.42 | 55,595 |
| Geography by Picture - H | 0 | - | 4.50 | 58,221 |
| Geography by Picture - N | 0 | - | 4.45 | 42,200 |
| Geography by Picture - R | 0 | - | 4.56 | 41,019 |
| Geography by Picture - T | 0 | - | 4.54 | 57,835 |
| Flags of Oceania | 0 | - | 5.00 | 258,898 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,242 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,999 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,829 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,157 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,707 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,428,031 |
| Flags of WW1 | 0 | - | 4.60 | 38,365 |
| Landlocked Countries | 0 | - | 4.99 | 420,069 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,195 |
| Satellite Images #1 | 0 | - | 4.47 | 129,361 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,298 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,905 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,916 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,980 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,976 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,574 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,786 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,896 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,100 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,263 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,504 |
| Himalayan Countries | 0 | - | 4.95 | 137,918 |
| Andean Countries | 0 | - | 4.95 | 84,177 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,391 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,998 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,042 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,490 |
| Danube Countries | 0 | - | 4.97 | 71,779 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,719 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,175 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,876 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,000 |
| European Landlocked Countries | 0 | - | 4.99 | 146,913 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,305 |
| Countries with the Most Species | 0 | - | 4.99 | 103,051 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,458 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,471 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,639 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,407 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,088 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,477 |
| Countries in the Alps | 0 | - | 4.87 | 117,898 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 97,953 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,620 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,513 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,398 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,244 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,807 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,413 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,295 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,044 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,663 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,549 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,391 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,022 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,316 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,324 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,450 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,143 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,650 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,725 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,958 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,541 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,851 |
| Countries by Countries | 0 | - | 4.97 | 62,963 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,396 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,196 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,498 |
| Merged Country Flags | 0 | - | 4.88 | 106,729 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,934 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,763 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,619 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,458 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,764,853 |
| Merged Countries #2 | 0 | - | 4.96 | 99,037 |
| Merged Countries #6 | 0 | - | 4.90 | 73,237 |
| Merged Countries #7 | 0 | - | 4.93 | 82,591 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,525 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Geography by Picture - A | 0 | - | 4.39 | 60,244 |
| Geography by Picture - D | 0 | - | 4.15 | 45,652 |
| Geography by Picture - F | 0 | - | 4.31 | 50,997 |
| Geography by Picture - G | 0 | - | 4.38 | 47,943 |
| Geography by Picture - J | 0 | - | 4.16 | 38,461 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,065 |
| Geography by Picture - L | 0 | - | 4.37 | 58,954 |
| Geography by Picture - M | 0 | - | 4.14 | 40,456 |
| Geography by Picture - P | 0 | - | 4.24 | 42,434 |
| Geography by Picture - S | 0 | - | 4.38 | 47,037 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,325 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,432 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,813 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,480 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,877 |
| Countries with Three Borders | 0 | - | 4.96 | 36,517 |
