: Freeing up unit IDs for custom "Escalation" use.
If your query is related to , "RaR" refers to RaR Brewing , which produces a series of "deep" saturated ales. BB Tri rar
In the context of the open-source RTS game , "BB" typically refers to the Big Bertha , a long-range artillery unit. "Tri" often refers to 3v3 maps or specific team-based layouts used in high-level play. : Freeing up unit IDs for custom "Escalation" use