Mods / difficult

• SScream Woodsby LʯnreϟScream Woods - Escape Mission "Nobody in the room could believe that an incoming message came from that old creepy forest, those desperate survivors needs an immediate extraction before zombies wipe them out. This is our duty, our people needs us, i just hope that it's not too late..." >>> Subscr...10.3k downloadsupdated 5 y ago
• DDimension Timeby Merzarime=================================================== Following the spacial dimensions, temporal dimension starts to implode. Escape from the dimensional hazards and seek for a way out. The end is beyond the horizon. =================================================== Let's get this out of the way:...10.1k downloadsupdated 16 mo ago
• NNormandy Invasionby Merzarime15 Minutes may seem short, but wait till you see this timed survival. - 15 minutes survival - Has custom ending - Self-piloted/player-controlled turrets, 2 machine guns & 1 grenade launcher - Dropped items including better guns, medic kits and turret upgrades7.0k downloadsupdated 14 d ago
• SSpecial Infected: Rottenby durkhazThis mutator adds a very challenging custom zombie to the game. Features: Works on any objective map Fully custom nav mesh based movement Walking, Running, Jumping Can open unlocked doors and tear down most barricades Guards objective items when no players are reachable Flees when taking damage f...3.8k downloadsupdated 2 mo ago
• RRedrock Seaportby SkosorevInfo: File name: nmo_rrsp. Map made by Skosorev (Sen). The map is not created for solo play. Only full team play. Difficulty: Tears. Storyline: In a world where the zombie apocalypse became a reality, a group of urban survivors decided to leave their city overrun by undead corpses. They used a bo...2.8k downloadsupdated 19 mo ago
• NNMO_Pilgrimageby KiloWelcome to your pilgrimage, my third NMRIH map. It should take around 20-40 minutes to complete, however, the item spawns are mostly random so difficulty may vary on different playthroughs but the map was designed to be difficult and become increasingly more difficult until the end. Part of the d...2.3k downloadsupdated 19 mo ago
• NNMO_Rathcooleby KiloMy first ever NMRIH map. It is playable start to finish but expect bugs (mostly visual) and potentially poor performance along the way. Set in a small town you must make your way from your safe-house to the local football club for extraction. This is a fairly short map that should take between 20...2.1k downloadsupdated 23 mo ago
• NNMO_Highrise (V1.1)by KiloWelcome to Highrise! A map in which you find yourself traversing through residential apartments, offices, sewers and more, all in the hopes of getting evacuated. I wanted this map to have more of a fun video game-y feel to it compared to my previous map which was more focused on realism. You'll f...1.9k downloadsupdated 13 mo ago
• WWTF Zombie Mod (Local-Game Only) | 瞎搞僵尸Modby MerzarimeThis package includes some strange modifications for zombies and guns in celebration for NMRIH's latest workshop feature. In addition to bizarre effect, the mod increases difficulty and is recommended for veteran players. Upgrades: - Zombie taunts - Shambler -> Panic/Calm Shambler - Runner -> Zom...1.5k downloadsupdated 7 y ago
• AApartmentsby Darth WonkaYou are the sole survivor of a group of people in your apartment block, can you fight your way through hordes of undead to escape this claustrophobic environment?1.4k downloadsupdated 7 y ago
• OOverdoseby SkosorevInfo: File name: nmo_overdose. Map made by Skosorev (Sen). LOTS OF RUNNERS and weird locations. Difficulty: Runners simulator. I so wanted to create a non-serious map. And I created this map. Storyline: A player was fond of zombie apocalypse games, but one map changed his life. It not only simula...1.1k downloadsupdated 18 mo ago
• NNMO_RathcooleREDUXby KiloThis is an "updated" version of my very first map, NMO_Rathcoole. Along with fixing a lot of minor things from the original release I've added whole new sections, some original and some taken from my other existing maps (read as, "I've added padding"). Along with those I've changed the time from...622 downloadsupdated 6 mo ago
• CCBE Trainstation v2by 76561199077740553Map: nmo_cbe_trainstation_v2 Difficulty: Hell Map Size: Small Soloable: Yes Can you reach the train? It is yours to break through this agony. I was requested by 2 of my friends to port a map and make it as painful as possible so that they masochistically enjoy the misery in it due to their overwh...567 downloadsupdated 3 y ago
• PParkour Courseby 76561199077740553Map: parkour_course Difficulty: Hell Size: Big Type: Challenge Soloable: Yes Note: parkour_course_2 will be up soon. Balancing, difficulty selections, collectibles, and more! Players can choose the difficulties they desire. Can you survive the course? It requires strafing and bhopping skills in o...495 downloadsupdated 5 y ago
• BBridgeby 76561199428220006299 downloadsupdated 16 mo ago

15 difficult mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.