I have bad fps, stutters, and horrible hitreg only in competitive, spike, dm and casuals are fine? Is this anticheat ruining my game or what? Does someone know how to fix?

Context: I played a lot of games in the past that allowed community created maps, servers, etc. and I remember having the most fun in these non-standard game modes. What are some game modes you would like to see in Valorant? Ones that imme...