| All Country Flags of the World | 0 | - | 5.00 | 3,680,988 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,205 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,370 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,445 |
| Flags with Crescents | 0 | - | 4.98 | 170,132 |
| Country Flag Trivia | 0 | - | 4.81 | 57,375 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,151 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,829 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,813 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,501 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,496 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,060 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,815 |
| Flags of North and South America | 0 | - | 4.99 | 374,392 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,246 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,427 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,961 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,585 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,777 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,476 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,670 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,845 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,776 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,771 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,779 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,878 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,673 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,308 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,740 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,838 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,241 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,555 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,655 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,003 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,196 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,291 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,166 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,581 |
| Flags to Languages | 0 | - | 4.95 | 173,931 |
| Former Flags | 0 | - | 4.97 | 107,984 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,034 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,707 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,646 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,904 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,061 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,941 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,315 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,833 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,854 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,176 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,828 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,016 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,228 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,875 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,072 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,873 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,552 |
| World Coats of Arms | 0 | - | 4.99 | 64,731 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,064 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,988 |
| Similar Flags #1 | 0 | - | 4.75 | 130,287 |
| Similar Flags #2 | 0 | - | 4.74 | 137,585 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,991 |
| Emoji Flags | 0 | - | 4.35 | 44,155 |
| Countries by Road Signs | 0 | - | 4.98 | 54,028 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,434 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,756 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,002 |
| Select the World Flags | 0 | - | 4.27 | 37,837 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,349 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,561 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,265 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,341 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,002 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,587 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,527 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,903 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,010 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,337 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,774 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,958 |
| Pixelated World Map | 0 | - | 5.00 | 143,655 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,722,550 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,276 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,752 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,279 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,169 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,567 |
| Flags of Oceania | 0 | - | 5.00 | 260,578 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,730 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,172 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,075 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,397 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,999 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,544,955 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,514 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,176 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,665 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,136 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,555 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,118 |
| Geography by Picture - B | 0 | - | 4.42 | 55,677 |
| Geography by Picture - H | 0 | - | 4.50 | 58,284 |
| Geography by Picture - N | 0 | - | 4.45 | 42,253 |
| Geography by Picture - R | 0 | - | 4.56 | 41,073 |
| Geography by Picture - T | 0 | - | 4.54 | 57,903 |
| Flags of WW1 | 0 | - | 4.60 | 38,507 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,008 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,637 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,753 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,214 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,129 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,244 |
| Name a Valid African Country | 0 | - | 4.98 | 154,374 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,054 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,843 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,393,958 |
| Boundary Waters | 0 | - | 4.92 | 88,585 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,266 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,291 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,763 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,630 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,600 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,481 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,601,189 |
| Landlocked Countries | 0 | - | 4.99 | 422,200 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,380 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,514 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,433 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,594 |
| Merged Countries #2 | 0 | - | 4.96 | 99,267 |
| Merged Countries #6 | 0 | - | 4.90 | 73,489 |
| Merged Countries #7 | 0 | - | 4.93 | 82,822 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,020 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,230 |
| Satellite Images #1 | 0 | - | 4.47 | 129,492 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,407 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,994 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,013 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,046 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,190 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,858 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,719 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,041 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,441 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,451 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,794 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,203 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,528 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,941 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,085 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,942 |
| Which City in Europe? | 0 | - | 4.83 | 107,578 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,599 |
| Himalayan Countries | 0 | - | 4.95 | 138,845 |
| Andean Countries | 0 | - | 4.93 | 84,675 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,876 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,917 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,508 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,852 |
| Danube Countries | 0 | - | 4.97 | 72,042 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,055 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,452 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,361 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,847 |
| European Landlocked Countries | 0 | - | 4.99 | 147,171 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,687 |
| Countries with the Most Species | 0 | - | 4.99 | 103,267 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,812 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,607 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,732 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,562 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,251 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,691 |
| Countries in the Alps | 0 | - | 4.87 | 118,240 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,259 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,073 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,677 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,622 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,546 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,966 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,699 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,516 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,196 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,874 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,668 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,541 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,243 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,498 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,548 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,965 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,332 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,076 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,124 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,056 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,189 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,253 |
| Largest Countries By Category | 0 | - | 4.97 | 158,254 |
| Countries by Countries | 0 | - | 4.96 | 63,260 |
