Single-player games like Moros Protocol
Below are 15 single-player Steam games similar to Moros Protocol, 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 Moros Protocol page.
Ranked picks
- 1
DROSS
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
DROSS is a procedurally Generated FPS, set in a derelict facility infested with alien bugs. Explore, collect powerful weapons and equipment, to upgrade your gear and fight the Dross.
- 2
Vastloop
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
Contract signed, body issued. Vastloop is a co-op roguelite FPS about expendable combat androids in the mines of a hostile planet. Shields feed on death, medkits don't exist, extraction is a privilege. You're a line item for Terra-Mine Corp. Every run — a chance to earn your keep.
- 3
PROTON VR
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
ProtonVR is a VR Roguelite Retro Shooter dream-inspired by classic 90s shooters and movies. Customize your weapons arsenal, buy attachments, upgrades and choose your playstyle. Fight commandos, cyborgs, robots, zombies and much more!
- 4
Blast Judgment
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
Wield an unholy arsenal in this FPS Roguelite. Plunder arcane relics and practice forgotten rituals to take on armies of twisted foes. Seek the cruel gods that pulled you from your grave, and inflict your BLAST JUDGMENT.
- 5
Hexborn
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
A blood-fueled roguelite FPS inspired by Doom and Vampire Survivors — but instead of one arena, fight through cursed labyrinths that reshape every run. Draft brutal perks, wield occult firepower, and survive escalating horrors with a retro shooter soul.
- 6
DEADBOOT
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action with Moros Protocol.
DEADBOOT is a fast-paced retro roguelike FPS. Blast through randomized levels, scavenge weapons and upgrades along the way, and see how far you can make it in this neon death zone.
- 7
Weather the Swarm
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
Find your way through alien planets made of fully destructible, procedurally generated terrain. Shoot, fly, collect weapons, level up, and defeat planetary bosses. Improve between runs and discover new planets as you progress. Play alone or with friends, from your couch or online!
- 8
Ship Miner
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action with Moros Protocol.
Action mining game with retro aesthetics and roguelike elements. Collect minerals from procedurally generated asteroids, improve your ship and survive The Anomaly, an unknown entity threatening The Galaxy. Can a simple miner stop The Anomaly and save everyone?
- 9
Resident Evil
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action with Moros Protocol.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10
SULFUR
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
SULFUR is a modern old-school action-adventure: Outsmart enemies, find treasure, improve weapons, harness powers. Delve deeper, find answers, make it end.
- 11
DOOM
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action with Moros Protocol.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 12
Hades
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
Defy the god of the dead as you hack and slash out of the Underworld in this rogue-like dungeon crawler from the creators of Bastion, Transistor, and Pyre.
- 13
ULTRAKILL
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.
- 14
Dead Space
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action with Moros Protocol.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 15
Robbie Swifthand and the Orb of Mysteries
Single-player alternative to Moros Protocol — playable solo, no multiplayer required. Shares Action and Indie with Moros Protocol.
From the creators of Moros Protocol, Robbie Swifthand and the Orb of Mysteries is a hardcore 2D platformer that will twist your mind and challenge your skills. Explore a temple full of devious traps, hidden treasures, and cunning surprises at every turn!