Protagonist appears not to communicate (verbally).
Alternate name: Mute protagonist
The first video game about Silent protagonist was released in 1984.
This is not for cases where the protagonist is simply unvoiced unlike other characters (has no voice-overs, but has clearly existing dialogue, e.g. as text).
Parent groupObscured identity
Child groupsAcknowledged protagonist silence, Substitute speaker
compare with these groups