Mods / survival

• DDefend The Base V1.1by Deagledore_69420Defend The Base is a team based survival map, you have turrets and ammo. Survive for 6 minutes to win, prepare for a nasty fight!12.0k downloadsupdated 10 y ago
• IInfinite Landing Bayby jhheightHow many landing bays can your team manage to complete in a row? Gain a point for each completion and compete with others on the leaderboard! Put your ammo conservation and health preservation skills to the test. Leaderboard:11.2k downloadsupdated 4 y ago
• SSurvival Bundleby 5564653254This is a collection of 2 survival maps gathered in one addon. List of maps - Killzone by "kh" - Frosty Remake by "Lycosa"8.4k downloadsupdated 7 y ago
• TThe Gauntlet: Arcticby StralGAUNTLET advanced training simulation, Ref. IAF-WNTR82 --Survival Scenario: Arctic Caught in the middle of a snowstorm, your dropship has descended into unknown grounds. Stranded, what remains of your squad must resort to the defense of a derelict research station so as to repel the tempted Swarm...7.0k downloadsupdated 3 y ago
• WWarehouseby RevenantTry to survive at an abandoned office complex. Created by Sergei 'STALKER4732' Lavrinenco5.5k downloadsupdated 9 y ago
• BBunkerby Anti-Tank PillboxSurvive inside a bunker for 5 minutes against multiple alien types that increase in size and number. The bunker contains ammo, sentrys and tesla traps. You will face around one thousand aliens in this mission. This is my first time making a alien swarm map and workshop upload ever. If you find an...4.9k downloadsupdated 10 y ago
• VVictory Mine Reinfestedby RevenantSurvival map from Half-Life 2 by Valve and VIPUKS4.6k downloadsupdated 9 y ago
• LLost Causeby Daniel101A small survival map I made for the original alien swarm when the game first came out. I've tweaked it a small bit from that version, messed around with the lighting, added a few roof spawns and various bits and peices.4.3k downloadsupdated 10 y ago
• SSurvival Desertby Minigun SpecialistSurvive for 3 minutes in this alien infested desert. Map has custom music, set music volume to high.4.2k downloadsupdated 7 y ago
• FFHO Campaignby RevenantThree epic survival maps created by cronicheers.Fight 32 waves of insane alien killing goodness.2.9k downloadsupdated 9 y ago
• KKill Them Allby jhheightA small and simple survival map with respawnable loot. Gets harder after every objective by adding more spawns. Inspired by Killzone2.8k downloadsupdated 8 y ago
• SShoots Survival Mapby jhheightInspired by CS:GO's map called "Shoots". Your objective is to kill 1000 drones and escape into the sewers which are located in the middle of the map.2.7k downloadsupdated 6 y ago
• WWestcliff Refinery Outpostby BladekillSurvive for 10 minutes and beat those aliens back to hell. Not made by me it is made by scitor2.7k downloadsupdated 10 y ago
• HHovercraft Survivalby YOJIMBOA survival map by TBomb. Uploaded with author's permission. Your mission is to protect 4 engines on the ship while aliens attack both you and the engines. Beware you can damage engines too with your weapons and melee. Do not try to win this map solo, you won't be able to protect all 4 engines. Do...2.6k downloadsupdated 8 y ago
• BBattlefieldby Mai OoizumiFight to appease the Battlemaster The author is Paradox. If author will ask me to remove it I will remove it immediatel2.6k downloadsupdated 10 y ago
• FFrosty, Survivalby Minigun SpecialistLooks like we have been caved in by the snow marines. Some of our security vents have been damaged, but if we turn on the emergency power we should be fine. Turn on that power! Survive the alien swarm for 800 Kills and exit. By Lycosa. This is the original, unchanged map.2.6k downloadsupdated 7 y ago
• HHOLDOUTby kaboom!Stand ground against waves of aliens. Fight until you drop. - Ported from old map made for original alien swarm - map not mine, just posting here for easy access to players. Enjoy!2.6k downloadsupdated 9 y ago
• SSavage Canopy, Survivalby Minigun SpecialistSurvive... in the f*****g Rain Forest. By Lycosa.2.4k downloadsupdated 7 y ago
• DDarkSurvival <V4.6>by 76561198382502117--- Welcome DarkSurvival --- There is black fog on the campaign map, which will enter the dark world. Players need to work together to explore the map, search for equipment, supplement food, cooperate in teams, give full play to the characteristics of each profession and successfully complete the...2.2k downloadsupdated 4 mo ago
• JJuno Outpost Survivalby MickmaneSingle Map holdout with 10 minute timer. You can move into a building that has some supplies, and hole up for the majority of the time, at the end you have to get back out, though. I did not make this map, I'd just like to play it again in Reactive Drop, and maybe others will, too. If the origina...1.8k downloadsupdated 8 y ago
• BBrook, Survivalby Minigun SpecialistA survival map by Nightgunner5. The objective is to survive 6 waves. "There's a peaceful stream flowing gently across the ground... But what was that tremor I felt?"1.7k downloadsupdated 7 y ago
• KKillzone, Survival, Originalby Minigun SpecialistThe original survival map by hardcorekillernl(hk). The objective is to kill 2 000 aliens.1.6k downloadsupdated 7 y ago
• SSilent Hillby Great Shark 🦈SILENT HILL Something purely evil is lurking in the darkness.... Wandering around to consume a daring soul to ever cross the Silent Hill. Do not ever get lost in the dark.... Stay with your buddies, move with caution, only then you might survive. You only have pistols to defend yourself, Meds and...1.6k downloadsupdated 6 y ago
• IIAF Marine Academy Endless Missionby jhheightYou can find this mission in the "Endless" section in the mission chooser. Welcome to IAF Marine Academy. An advanced marine-training tool created with the assistance of SynTek to prepare soldiers for combat against aliens. Marines have six zones in which they can test their skill, after completi...1.5k downloadsupdated 4 y ago
• BBunker Assaultby Minigun SpecialistThese heroes were the last known survivors at Jacob's Rest. Can you survive as long as they did? By <GdLk> Mudkipz. Map name is asi-bunker Note. Set your Options - Video - Bloom to Low or map will look too bright. Leaderboards1.5k downloadsupdated 7 y ago
• WWoodland Holdoutby Minigun SpecialistHoldout against massive waves of bugs at a forest campsite. By Darkslime.1.2k downloadsupdated 7 y ago
• DDeep Freeze Survivalby dormedas theOG check the URLDeep Freeze Survival ported from the original game as-is. Originally released July 21st, 2010, Deep Freeze Survival was one of the first Survival-type maps released for Alien Swarm. While admittedly not very good (then or now), it did assist in setting the stage for longer, more creative, and bet...965 downloadsupdated 4 y ago
• KKilling Floor Challengeby ModdedMarionetteCurrent Version: Release v1.5 (Local installation's version can be checked via console at mission start by every player) Killing Floor Challenge The mission of the map is permanently soft-locked: "Completing" the map no longer wins the game. Your new objective is to survive for 8 waves in order t...380 downloadsupdated 9 mo ago
• PProp_Base Survival!by 76561199056155844Prop_Base Themed map, you will survive Hive Invasion! all game information is within the map! "ED_Alloc: no free edicts" WAS FIXED! (Converted prop_dynamic_override to prop_static, becuse prop_static was not filling entity count, becuse it was walls, floors and cieling, and its many.)310 downloadsupdated 4 y ago

29 survival 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.