deathrun_maps.zip

This download looks like an addon. You need to extract the downloaded zip and put the addon folder in your Garry's Mod addons folder. You should end up with a directory structure similar to below:

• steamapps
  • common
    • garrysmod
      • garrysmod
        • addons
          • Deathrun MAPS <-- Addon folder!
            • e.g.
            • lua
            • maps
            • materials
            • models
            • etc

• Deathrun MAPS/
  • deathrun_akai_final.bsp
  • deathrun_amazon_b3.bsp
  • deathrun_arduous_final_fixed.bsp
  • deathrun_aztecan_finalb3.bsp
  • deathrun_blood_final.bsp
  • deathrun_demolition_texture_b7.bsp
  • deathrun_dust_b3.bsp
  • deathrun_erotischer.bsp
  • deathrun_gyro_v6.bsp
  • deathrun_hallsofmadness_v2.bsp
  • deathrun_iceworld_v2.bsp
  • deathrun_imperialtomb_b1.bsp
  • deathrun_indianajones_v4.bsp
  • deathrun_italyrats_final.bsp
  • deathrun_labrats.bsp
  • deathrun_madness_v3.bsp
  • deathrun_marioworld_final.bsp
  • deathrun_mirage_v1.bsp
  • deathrun_no_hope_v3.bsp
  • deathrun_parking_garage.bsp
  • deathrun_poker_final5.bsp
  • deathrun_prison_break.bsp
  • deathrun_ramesses_revenge_v3.bsp
  • deathrun_rooftops_final.bsp
  • deathrun_sections_fix.bsp
  • deathrun_silenthill_v2.bsp
  • deathrun_sk_jail_v3.bsp
  • deathrun_static_final.bsp
  • deathrun_t9s_warehousebeta.bsp
  • deathrun_temple_v2.bsp
  • deathrun_text_cp_v4_fix.bsp
  • deathrun_tp_percolate_oreo.bsp
  • deathrun_underconstruction_v5.bsp
  • deathrun_warehouse_final.bsp
• README.txt

THE MASTURBEITHOR, NajaxGul, ✞༒プロ༒✞, vaporiuxz, bad boy, buapang85, Zeus819, Ismagic, TomTheCoder, Strikah, TRNG | Diamond20., | LygaL |, Andrew B., Pikachu10YT, xavimurtagh, ItsMengoX, Ibarbo, canu.martin, lazareva275, alerovaiza, lunasalinasmoises99, Nasty Navi, PEGASUS7, RUMPLESTINKI, Manuel7u7, jjkillem11, WEED LORD GABEN, Mascotics, la legende la plus nul, TheWolf07, masterojohny, Emilio Garcia, Olfirna, SyrexBey, manuelpalumbo8, Lentenant, Noodle, JE_Toto, Frankdog5, rag9271, ///MPOWER, Grifs, agus9991, Ｓㄚ 么 乙 ツ, Potenza, PePa_La_Put0_Cerda, pato-for-ever2011, nicolas94, POYO!, benjamin +7661 others