A file with the BR5 file extension is very likely a Bryce 5 Scene file, a type of file used with the Bryce modeling software, which can be used to create 3D landscapes.
Otu faịlụ nwere ndọtị faịlụ BR5 nwere ike ịbụ faịlụ Bryce 5 Scene, ụdị faịlụ nke ejizi software Bryce, nke a pụrụ iji mee ka eserese 3D.