Mods

• PPrison of Sadismby 76561199839533296Go through this prison and kill all enermies that have escaped. Theres no reasoning with them as all they want to do is conflict pain and suffering57 downloadsupdated 8 mo ago
• WWonderboy 2by 76561199839533296Another level of a similar wonderboy theme modded into Secret Agent57 downloadsupdated 5 mo ago
• CContainershipby 76561199548163193"A cargo ships that has survived the strait block - looks like a SAM level" —Chetan Kamath, referring to this:57 downloadsupdated 5 mo ago
• AAntarcticaby 76561199548163193Your son watches you play his e0l03/Whitewash hack. "Can I try?" You watch him play. Then you show him your hacks of the original Secret Agent. Having made the HD version of the SAM1.EX_/Oh, Brother! hack, your son is inspired by C:\MYSAHACK\SAM1.EXE etc.57 downloadsupdated 18 mo ago
• TTo The Skyby SemiYou can finish this level easily to the right. If you would like the extra challenge and points go up to the sky to thwart enemies in the skies.57 downloadsupdated 3 y ago
• TThe March of Ninjasby 76561199043086293Watch 10 Ninjas march back and forth, getting back in sync every minute, hour or day. Wait for them all to get out of the way to find your way to the money bags. Ammunition's limited. Good luck!57 downloadsupdated 4 mo ago
• MMission MoonbaseThis was a level from Duke Nukem episode 2 with the title Mission Moonbase, Duke Nukem has done his job here but now it's your turn57 downloadsupdated 2 mo ago
• TThe canyonby 76561199839533296Be careful them thelegraph poles are faulty and not advisable to go on them but you need to escape or otherwise be stuck56 downloadsupdated 8 mo ago
• WWhitewashby 76561199548163193"When I was your age, I wanted to create Secret Agent levels, but there was no level editor, so I tried to hack just like you. I made a mess vaguely like what you have here, and I felt dispirited but it turned out to be a lot of fun! Now can I play this?"56 downloadsupdated 18 mo ago
• IIce Commander Keenby 76561199839533296Commander keen was originally released on December 14th 1990. It was developed by id Software and published by Apogee Software. I made a similar level from Commander keen in to Secret Agent. Enjoy56 downloadsupdated 9 mo ago
• OOasis Chaosby 76561199839533296Walking through this oasis on a nice fine day but just watch out for enermies that like to spoil fun.56 downloadsupdated 8 mo ago
• 3360 Slaughterby StubbsyHard but fair. Skirt the outside then face the bloodbath in the middle. Plentiful ammo. Tough SPY letters. Remake of a level I made for Crystal Caves HD - check it out there too if you like!56 downloadsupdated 10 mo ago
• SSpacey's Pacifist Caveby 76561198900180903Agent! Unfortunately, we've lost contact to our supplier, so there is no more ammo. To escape this shadowy underground maze, you might need every single bullet, so we strongly advise against killing any of the wildlife. Good Luck!56 downloadsupdated 6 mo ago
• TTrapped in the futureThis was a level from Duke Nukem episode 3 Trapped in the Future, He tracked Dr Proton down in Shrapnel City, then the Moon and now Earths Future. your mission to get rid of these enemies before they can take over56 downloadsupdated 2 mo ago
• AAmmo Shortageby 76561199839533296Due to your lack of ammo for so much of the level have your enermies assist you instead then when you get ammo you can take revenge55 downloadsupdated 8 mo ago
• PPrickly piramideby loeihoepel55 downloadsupdated 5 mo ago
• CCity Police HeistThe police can not do this so they have called you to use your special skills to take on this building and make it safe again55 downloadsupdated 2 mo ago
• SSomething or Anotherby londiste54 downloadsupdated 5 mo ago
• DDVS Attackby 76561199839533296The DVS ship is ready to destroy the universe, your mission is to grab the dynamite before they use it which is heavily guarded and destroy the satellite so it corrupts the location53 downloadsupdated 8 mo ago
• CCold Warsby 76561199839533296In this cold level the odds are against you, get through it and survive this harsh weather, your skills are needed in certain areas53 downloadsupdated 7 mo ago
• SShrapnel CityDuke Nukem went to Shrapnel City on July 1st 1991 to take on DR Proton. Now your here to take out these other enermies in Shrapnel City.53 downloadsupdated 2 mo ago
• TThe Green BlockMission is green but what do i mean, horrific level with too many enermies get them wiped out and take out the satellite to53 downloadsupdated 1 mo ago
• SSpace Com 69by nachtaktiv_666Agent, the enemy base is on lunch break and only the intern is guarding the satellite dish. This should be easy.52 downloadsupdated 6 mo ago
• NNight Tombby 76561199839533296Escape the tomb, destroy the satellite and leave, but all is not as simple as it sounds52 downloadsupdated 8 mo ago
• TTop-Down Entryby 76561199548163193That was close! Any lower and you would have slammed into the wall. Any higher and you would have glided right to the electrified antenna. Anyway, now that you have successfully landed on the rooftop, it is time to apply what you learned in Barrel School.52 downloadsupdated 7 mo ago
• HHidden CaveA mysterious hidden cave lurking in the middle of nowhere and yourself 006 decided to explore it, but was it worth it?52 downloadsupdated 2 mo ago
• SSpacey: Nuter Foterby nachtaktiv_666The D.V.S is on holydays, so you take this little movement exercise to stay in shape. That's an order! ... and don't forget Teddy.51 downloadsupdated 3 mo ago
• FForbidden Islandby 76561199839533296This island is forbidden but now your here you must try and find a way to escape as it's all nothing but negative here51 downloadsupdated 8 mo ago
• AAnother Baseby 76561199034922457Just another level to help 006 beating DVS. Enjoy!51 downloadsupdated 3 mo ago
• SSpace Jump!by 76561199043086293In open space, speed is but relative. Direction matters and so does timing. Get your sync and visibility right, try again and again, and clear it all. Watch out for hints on discord coming up!51 downloadsupdated 5 mo ago
• CCity Constructionby 76561199839533296Construction going on in the city, just make it safe so construction can continue51 downloadsupdated 3 mo ago
• 88 Keys, 4 placesExplore 4 areas and achieve the 8 keys to access the satellite and escape, just watch out for traps on the way51 downloadsupdated 3 mo ago
• TThe DVS Armed ForcesDVS has unleashed its entire army at its settlement, even underground! Find a way to infiltrate enemy ranks, to finish (close all other applications for performance).51 downloadsupdated 1 mo ago
• BBlue Manorby 76561199839533296Enter this Manor and pick your path and skill moves wisely, you must enter to leave50 downloadsupdated 8 mo ago
• TTrap Doors 2by 765611998395332962nd attempt of trap doors, be wise with your moves otherwise die or be stuck forever50 downloadsupdated 7 mo ago
• UUnfairby 76561199839533296This is possible but it is set with traps and time limits be aware if you want to take this on50 downloadsupdated 9 mo ago
• BBeach Vacationby SMBTrumpetAfter so many missions, it's time for some relaxation at the beach.50 downloadsupdated 3 mo ago
• IInvisible Wallsby 76561199548163193"The more often we see the things around us . . . the more they become invisible to us. That is why we often take for granted the beauty of this world . . . even those we love. Because we see things so often, we see them less and less." —Joseph B Wirthlin50 downloadsupdated 4 mo ago
• CComputer Mayhemby 76561199839533296Dive in to the computer center/centre and destroy everything to stop them in there path49 downloadsupdated 6 mo ago
• IItem 3697203664by 7656119954816319349 downloadsupdated 7 mo ago
• VVolcano Vacationby SMBTrumpetWas the beach not hot enough? Try this vacation destination!49 downloadsupdated 3 mo ago
• BBarrel Schoolby 76561199548163193At the Texas School of Barrels, you seek to earn their iconic blue certificate of completion. Nobody here knows why you want it. You cannot tell them you'll present it to the FBI in partial fulfillment of the requirements for the position of Secret Agent!49 downloadsupdated 9 mo ago
• TThe Stationby 76561199839533296Through this stations defence system you just need to do the basics but is it simple as it seems49 downloadsupdated 3 mo ago
• TThe LabyrintheGet ready for new adventures! You know my methods, Watson! Keep open all possibilities until you remove what cannot work. Good luck!49 downloadsupdated 3 mo ago
• OOld Tombby 76561199839533296Be aware as this tomb has crumbled abit so take your steps wisely as this structure is not safe. Doesn't help that your not welcome here either48 downloadsupdated 8 mo ago
• BBasic Ice Cavernby 76561199548163193". . . I saw the ice and I thought, 'what would happen if I go in there?' I was really attracted to it. I went in, got rid of my clothes. Thirty seconds I was in. Tremendous good feeling when I came out, and since then, I repeated it every day." —Wim Hof48 downloadsupdated 4 mo ago
• OOasis-2by 76561199548163193Based on 1:04 to 1:07 in the game trailer. See:48 downloadsupdated 3 mo ago
• PPipelineFollow the pipe and you will be fine some bits are broken but you be okay, come off the pipe track then that's it48 downloadsupdated 2 mo ago

505 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.