Overpass is one of the most enduring maps of Counter-Strike: Global Offensive and because of that, any ranked player needs to commit its callouts to memory. Overpass is one of the most popular and notorious maps in competitive CSGO. Though it’s always been below Mirage and Dust 2 in terms of popularity, it’s still stuck around for years. This largely stems from the incredible depth of the map. While other CSGO maps tend to get figured out after a certain point, new tricks keep getting found on Overpass. These range from new boosts to interesting grenade lineups and stacks that can rewrite how …