Standard DE maps like de_dust2 played terribly with SHMOD. The corridors were too narrow, and a single "Hulk" smash would wipe a bombsite. Instead, SHMOD thrived on massive, open custom maps:
There are hundreds of custom heroes created by the community, but "Official" packs usually include the following staples: cs 16 superhero mod
Maps like cs_assault and de_aztec had skyboxes or roof textures that were never meant to be accessed. Superheroes with flight or super-jump (like Spiderman) would find "secret" spots on the map ceiling, raining grenades down on unsuspecting normal players. Standard DE maps like de_dust2 played terribly with SHMOD