| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,603,798 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,199 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,967 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,842 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,042 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,192 |
| Random Countries by Borders | 0 | - | 4.99 | 81,940 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,262 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,851 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,530 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 970,513 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,273 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,255 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,600 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,081 |
| Random Country to Capital | 0 | - | 4.98 | 914,883 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,030 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,350 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,137 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,810 |
| Countries with Four Letters | 0 | - | 4.99 | 420,278 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,283 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,640 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,825 |
| Fast Math - Addition | 0 | - | 4.87 | 521,386 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 134,880 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,977 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 170,209 |
| Country Chain | 0 | - | 4.96 | 216,395 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,602 |
| Islands by Country #1 | 0 | - | 4.87 | 174,815 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,175 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,520 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,497 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,644 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,916 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,979 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,972 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,656 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,256 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,205 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,568 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,005 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,084 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,542 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,221 |
| Five Letter Geography #3 | 0 | - | 4.61 | 130,990 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,454 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,517 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,579 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,252 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,865 |
| Geography Decoder | 0 | - | 4.53 | 75,473 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,498 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,496 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,438 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,310 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,737 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,488 |
| The Only Country ... | 0 | - | 4.91 | 80,428 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,884 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,689 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,560 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,645 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,783 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,173 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,062 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,206 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,082 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,461 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,330 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,689 |
| Boundary Waters | 0 | - | 4.92 | 88,225 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,965 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,645 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,799 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,107 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,782 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,363 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,700 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,473 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,091 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,658 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,472 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,388 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,157,520 |
| Landlocked Countries | 0 | - | 4.99 | 416,581 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,085 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,948 |
| Geography General Knowledge #1 | 0 | - | 4.42 | 262,244 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 132,280 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 186,078 |
| Geography General Knowledge #6 | 0 | - | 4.53 | 151,400 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 158,770 |
| Geography General Knowledge #8 | 0 | - | 4.45 | 149,855 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 156,334 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 109,902 |
| Geography General Knowledge #12 | 0 | - | 4.80 | 124,082 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 175,715 |
| Geographic Groups of Five #1 | 0 | - | 4.48 | 120,374 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 140,791 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 114,792 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,022 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 83,735 |
| Geographic Groups of Four #2 | 0 | - | 4.75 | 80,389 |
| Geographic Groups of Five #2 | 0 | - | 4.73 | 63,643 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,510 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,036 |
| Fast Math - Multiplication | 0 | - | 4.73 | 1,157,774 |
| Fast Math - Double That Number! | 0 | - | 4.78 | 612,682 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,172 |
| Four Letter Geography #2 | 0 | - | 4.39 | 63,865 |
| Three Letter Geography | 0 | - | 4.29 | 74,646 |
| Five Letter Geography #2 | 0 | - | 4.30 | 88,440 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,074 |
| Seven Continents Quiz | 0 | - | 4.21 | 106,376 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,061 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,129 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,145 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,801 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,363 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,338 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,275 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,523 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,756 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,643 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,801 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,725 |
| Island Countries | 0 | - | 4.99 | 708,782 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,895 |
| Himalayan Countries | 0 | - | 4.95 | 136,469 |
| Andean Countries | 0 | - | 4.95 | 83,475 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,731 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,974 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,408 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,014 |
| Danube Countries | 0 | - | 4.97 | 71,388 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,199 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,842 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,141 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,102 |
| European Landlocked Countries | 0 | - | 4.99 | 146,123 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,752 |
| Countries with the Most Species | 0 | - | 4.99 | 101,390 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,886 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,506 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,153 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,801 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,182 |
| Countries in the Alps | 0 | - | 4.86 | 117,311 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,893 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,876 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,249 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,736 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,812 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,250 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,975 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,990 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,796 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,324 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,361 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,721 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,988 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,000 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,693 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,889 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,231 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,964 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,551 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,821 |
| Largest Countries By Category | 0 | - | 4.97 | 157,247 |
| Countries by Countries | 0 | - | 4.96 | 62,589 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,865 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,078 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,388 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,076 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,258 |
| Northernmost Countries | 0 | - | 4.99 | 359,333 |
| Islands by Country #2 | 0 | - | 4.80 | 77,189 |
| Countries of South America | 0 | - | 5.00 | 919,578 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,539 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,505 |
| "Land" Countries | 0 | - | 4.98 | 334,579 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,134 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,042 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,629 |
| Top World Languages | 0 | - | 4.92 | 817,213 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,922 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,224 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,841 |
| Longest International Borders | 0 | - | 4.99 | 264,290 |
| Countries with Three Borders | 0 | - | 4.96 | 36,342 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,776 |
| Country Decoders #1 | 0 | - | 4.44 | 43,611 |
