Look-alike flags

Red and white halves

Two horizontal halves of red and white. Two of them are identical except for their shape.

• Indonesia

  How to tell: Red over white, 2:3 (a long rectangle).

• Monaco

  How to tell: Red over white, 4:5: squarer than Indonesia, otherwise the same.

• Poland

  How to tell: White over red: upside down compared with the others.

• Singapore

  How to tell: Red over white with a white crescent and five stars in the upper hoist.

Pick the right country. The detail that gives it away appears after each answer.

• Pan-Arab colours
• Red, white and black tricolours
• Gran Colombia tricolours
• Blue–white–blue flags
• Pan-Slavic tricolours
• Red, white and blue stripes
• Nordic crosses
• Blue, yellow and red verticals
• Green, white and red or orange
• Pan-African vertical tricolours
• Red, yellow and green horizontals
• Red–white–red
• Red, white and green horizontals
• Black, red and gold
• Union Jack and Southern Cross
• Stars and stripes
• A disc on a plain field
• Red crescent flags
• Serrated white bands
• Blue over red

Flags: flag-icons (MIT). Country data: world-countries (ODbL), World Bank (CC BY 4.0), Wikidata (CC0).