Hangul syllable ggem

It is a North Korean spelling for the borrowed word “game.”

A 1996 comparison by the National Institute of Korean Language contrasts northern 껨 with South Korean standard 게임. The cited North Korean loanword rule dates to 1956 and already uses 껨 for “game.” That rule shows the spelling was in use by 1956; it does not establish when it began.

Hangul was designed for Korean, and 껨 uses its syllable blocks rather than starting a new system. Its first notice dates to 1443; the explanatory book Hunminjeongeum, published in 1446, explains blocks built from an initial consonant, a vowel, and an optional final consonant.

What does 껨 mean when someone sends it?

Read it as “game” in the regional spelling convention.

A message containing only 껨 gives you the word and spelling, not the sender’s reason for choosing it. They may be quoting the spelling, discussing language, or naming a game; the surrounding words tell you which.

Why does 껨 look like one square?

It combines three Korean letter components in one block.

Together, ᄁ + ᅦ + ᆷ form 껨. These jamo, or Korean letter components, are respectively an initial consonant, a vowel, and a final consonant.

Unicode treats the precomposed block and this jamo sequence as canonically equivalent, so normalization can convert between them. Korean input methods build the block as you type; software can also expose the three jamo separately. This changes the representation, not the spelling.