Creo que estas mal.. en primera el Pack se llama KILLTROCITY. Lo de los "llamados 40 mapas" no se de donde sacaron ese tèrmino, pues seguramente es el MISMO que el Killtrocity.. y no son 40 mapas, son 48. Aqui te dejo la lista de los mapas:

- 343_Delta_Ruins (Ironman)
- Advanced_Coagulation (headshotmasta)
- Aerial (Headshotmasta and JC)
- Biohazard (Scottygee Greennc)
- Biohazard_III (Headshotmasta)
- Burnt_Blood (Headshotmasta)
- Cable_Room (Pyroman31)
- Cassiopeia (Aequitas)
- Cryptographer (T1XAnton)
- Danzshot_day (Headshotmasta)
- Dark_to_the_lightest_point (Greennc)
- Dawn_of_Warfare (DoorM4n and Dec1234)
- Dead_in_the_Water (Pyroman31)
- Deathzone_night (Headshotmasta)
- Delphium (Boranes)
- Echo_Station (Tunesrus)
- Forgotten_Hope (ScottyGee)
- Forgotten_Room (The Flying Dutchman)
- Halo_Derby (P8ntballer)
- Headlong_skinned (Greennc)
- Icewind (Xenowisp)
- Induction (The Swamp Fox)
- Infection (Headshotmasta)
- Infiltration (Pyroman31)
- Kingdom_of_Heaven (Ironman)
- Lakeside (Greennc)
- Last Defense (The Flying Dutchman) *go into the cave on coag!! : )
- Metroid_Tunnel (headshotmasta AND JC)
- Metroid_Tunnel_2 (JC and Headshotmasta)
- Moon_Stronghold (Scottygee)
- Outbreak (Swese44)
- Outflod (Headshotmasta)
- P8ntball (P8ntballer)
- Reclamation (Spammy)
- Reconciliation (T1Xanton)
- Sanctus (BKBeaner)
- Satans_Crypt (Team Defiance)
- Selan_Forest (5C077 - TD)
- Sentinelbase (Headshotmasta)
- Skull_Island (Pyroman31)
- Slaughterhouse (Optimistic)
- Space_Refuse (Rotten)
- Sunnision (Headshotmasta)
- Survive (Headshotmasta)
- The_Calm_Before_The_Storm (Theycallmechad)
- The_Cave (Greennc)
- The_Hive (MrMurder)
- Undeadlong (MrMurder)

Ya habia explicado esto.. existen otros Packs.. pero no tienen mas de 40 mapas.. ademas de que no estan tan completos.. pues solo son mapas Skinneados o moddeados.