Before we dive into the new maps, we must establish the baseline. When CS 1.5 launched in 2002 (patch 1.5), Valve included a specific rotation of official maps. These are the maps every veteran knows by heart. You will find these pre-installed in any legitimate CS 15 client:
| Map Codename | Full Name | Status | | :--- | :--- | :--- | | de_dust2 | Dust II | Active (Golden Standard) | | de_aztec | Aztec | Active | | de_inferno | Inferno | Active | | de_nuke | Nuke | Active | | de_prodigy | Prodigy | Legacy (Rarely played) | | de_cbble | Cobblestone | Active | | de_vertigo | Vertigo | Legacy | | de_train | Train | Active | | cs_assault | Assault | Active (Hostage Rescue) | | cs_italy | Italy | Active (Hostage) | | cs_militia | Militia | Active (Hostage) | | cs_office | Office | Active (Hostage) |
Note: If you download a vanilla CS 1.5 client today, this is the cs 15 maps list old school you will see. However, the "new" experience comes from community creations.
If you’re searching for the cs 15 maps list new to climb ranks, not all maps are equal. Here is the competitive tier list for April 2025:
CS 15 is a course module covering map data structures and their applications. This write-up summarizes core concepts, motivations, key operations, performance characteristics, common implementations, use cases, and sample problems.
While some maps are "old" by name, the CS2 versions are essentially new builds. Here are the highlights: