Single-player games like Duke Nukem 3D: 20th Anniversary World Tour
Below are 16 single-player Steam games similar to Duke Nukem 3D: 20th Anniversary World Tour, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Duke Nukem 3D: 20th Anniversary World Tour page.
Ranked picks
- 1
DOOM + DOOM II
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.
- 2
Quake II
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.
- 3
Duke Nukem Forever
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
The King arrives with an arsenal of over-the-top weapons, giant explosions and pure unadulterated fun!
- 4
Blood: Refreshed Supply™
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
- 5
Prodeus
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action and Adventure with Duke Nukem 3D: 20th Anniversary World Tour.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 6
Half-Life
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 7
Serious Sam HD: The First Encounter
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!
- 8
REKKR: Sunken Land
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action and Adventure with Duke Nukem 3D: 20th Anniversary World Tour.
A retro FPS set in a faux norse-celtic fantasy world in the midst of a war with the dead. Grab an axe, get revenge.
- 9
Quake
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 10
Far Cry 3 - Blood Dragon
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action and Adventure with Duke Nukem 3D: 20th Anniversary World Tour.
Far Cry® 3: Blood Dragon is THE Kick-Ass Cyber Shooter.Welcome to an 80’s vision of the future. The year is 2007 and you are Sargent Rex Colt, a Mark IV Cyber Commando. Your mission: get the girl, kill the baddies, and save the world.
- 11
DUSK
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 12
Serious Sam 4
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action and Adventure with Duke Nukem 3D: 20th Anniversary World Tour.
Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.
- 13
HeXen II
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.
- 14
Heretic + Hexen
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action and Adventure with Duke Nukem 3D: 20th Anniversary World Tour.
Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.
- 15
Aliens vs. Predator™
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.
- 16
MDK
Single-player alternative to Duke Nukem 3D: 20th Anniversary World Tour — playable solo, no multiplayer required. Shares Action with Duke Nukem 3D: 20th Anniversary World Tour.
ON A GOOD DAY, ONLY 2.5 MILLION PEOPLE WILL DIE. As vast alien mining cities suck the power and minerals from every major metropolis on Earth simultaneously, time is of the essence as millions of civilians are expiring by the second.