| The only remaining flag. . . | Country | Flag | % Correct |
|---|---|---|---|
| with an Union Jack | United Kingdom | 98%
| |
| with an uninterrupted horizontal blue and yellow line | Ukraine | 96%
| |
| containing only the colours blue, black and white | Estonia | 95%
| |
| with an entirely black eagle | Albania | 94%
| |
| depicting its own country | Kosovo | 93%
| |
| with a sun | North Macedonia | 93%
| |
| that is entirely blue and yellow | Sweden | 92%
| |
| with a vertical orange stripe | Ireland | 90%
| |
| with stars | Bosnia and Herzegovina | 88%
| |
| that has been in use since 1219 | Denmark | 88%
| |
| that is entirely blue and white | Finland | 88%
| |
| the same as the Austrian flag, but with a darker colour red | Latvia | 88%
| |
| that is the same as the flag of Chad | Romania | 88%
| |
| depicting a mountain in the Alpes | Slovenia | 88%
| |
| that is a perfect square | Switzerland | 88%
| |
| with the bottom half completly red | Poland | 87%
| |
| with 2 horizontal red lines and 1 horizontal yellow line | Spain | 87%
| |
| where the right halve is completly red | Malta | 86%
| |
| with 9 horizontal stripes | Greece | 85%
| |
| with the upper half completly red | Monaco | 85%
| |
| with a red and white checkerboard pattern in the middle | Croatia | 84%
| |
| with an uninterrupted green line at the bottom | Hungary | 84%
| |
| that looks like the flag of Ireland | Italy | 84%
| |
| with a cross | Norway | 83%
| |
| with a white line at the top and green line in the middle | Bulgaria | 82%
| |
| with a red cross | Iceland | 82%
| |
| with a crown | Liechtenstein | 82%
| |
| where the left halve is completly yellow | Vatican City | 82%
| |
| containing only the colours black, red and yellow | Belgium | 81%
| |
| with a horizontal black line on the top | Germany | 81%
| |
| containing only the colours red and white | Austria | 80%
| |
| containing only the colours white, red and green | Belarus | 80%
| |
| with a shade of light blue | Luxembourg | 80%
| |
| with a big and obvious triangle shape | Czech Republic | 78%
| |
| with a thin yellow line surrounding the flag | Montenegro | 78%
| |
| with an oak and laurel wreath | San Marino | 78%
| |
| depicting a mountain | Slovakia | 78%
| |
| with an uninterrupted white line at the bottom | Serbia | 77%
| |
| with a vertical white line | France | 76%
| |
| with 3 horizontal lines | Lithuania | 75%
| |
| with a horizontal white line | Netherlands | 75%
| |
| containing the colour green | Portugal | 75%
| |
| with a horizontal blue line in the middle | Russia | 75%
| |
| that is a flag | Andorra | 74%
| |
| with an eagle | Moldova | 72%
|