Rule:

• Please match letters with stamps and post them into the mailbox.
• You will complete the stage if you empty the inbox of all unsent letters and unused stamps.
• There are six stages in all.

Credit:

• This puzzle is written in ruby.wasm, without any direct use of JavaScript.
• The icons are from ICOOON MONO
• The source code is available in GitHub: mame/posting-puzzle

OK

Clear!

Next Stage