The term "Type 111" refers to players who betray their assigned or allied factions in order to help the opposing faction win or for other reasons. The term was coined during Bionicle Mafia IX: Sentinels of the Darkened Skies by IBrow Voltex.
- Pulse in Mafia III: The Cult after being converted into a Cultist; Pulse betrayed the Cult and revealed their identities to the Village, allowing for a Village victory. Also in Bionicle Mafia: Mirror, Mirror, Split Us All, where he worked with the Mafia to defeat the Village.
- iBrow Voltex in Bionicle Mafia V: Tinker, Tailor, Soldier, Sailor; when the two Anti-Town factions became aligned he worked with the Pro-Town roles to eliminate the rival Anti-Town faction. Also in Bionicle Mafia: Two For All, where he worked with the Brotherhood to take out his faction, the Dark Hunters.
- Blade in Bionicle Mafia VIII: The Sound of Darkness; after his death, he attempted to gather the other roles in the game to get every player in the game killed.
- JL in Bionicle Mafia VIII: The Sound of Darkness; when it was clear that he was going to be lynched, JL decided to ally himself with the Anti-Town faction. Which sucked for him, because they ended up losing.
- The X, Portalfig and Rahkshi Guurahk (along with others) all voted in favor of the Mafia intentionally in Bionicle Mafia: Mirror, Mirror, Split Us All, leading to a Mafia victory.
- ShadowVezon in Bionicle Mafia XIII: Tower of Trepidation after being lynched; where he betrayed the Dark Hunters.
- Makuta Luroka in Bionicle Mafia: Unfinished Business after conspiring with Aiwendil; where he betrayed the Brotherhood by leaking all the Brotherhood roles, killing Chro, having Voltex converted, and having Phantom Terror lynched. GG Voltex.
- The type number "111" is similar to the Roman numeral "III", referencing iBrow Voltex's tendency to host games with the numeral "III" in the title.