Single-player games like Carpe Diem Project
Below are 8 single-player Steam games similar to Carpe Diem Project, 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 Carpe Diem Project page.
Ranked picks
- 1

Bloody Moon
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Indie with Carpe Diem Project.
This is a single-player third-person shooter about the zombie virus outbreak in the future world, as the last survivor and the last resistance of the zombies!
- 2

Hashiko
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Indie with Carpe Diem Project.
Hashiko is an action-adventure game with a heavy, solitary atmosphere, inspired among others by Silent Hill, Days Gone and Slitterhead. Explore a post-apocalyptic Japan altered by psychoannexion, survive a hostile world, and embody multiple characters across different eras.
- 3

Lone City
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Indie with Carpe Diem Project.
Lone City is a first/third-person open-world survival shooter. The world is gone—only you, a dog, and a sleek car remain. No missions, no hope. Just ruins, silence, and a flicker of life refusing to die.
- 4

WAR OPERATION™ : Full Contact
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Adventure with Carpe Diem Project.
Iraq, April 2003, in the midst of a frighteningly intense confrontation. Iraqi army against the U.S. Marines, take your class, your weapons and run through Baghdad streets, near Firdos Square, frozen in the days of Saddam Hussein's regime. A unique and exceptional experience never seen before.
- 5

Valley of the Dead: MalnaZidos
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Adventure with Carpe Diem Project.
MalnaZidos is a survival horror game, full of action, shooting and zombies, inspired by the hit Mediaset movie. Make your way through open levels full of secrets, play with up to 7 characters and survive this zombie plague during the Spanish Civil War.
- 6

Lucky Pikinini - Super Incursion
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Adventure with Carpe Diem Project.
Super Incursion is a First Person / Third Person Story-Telling Game with a 10-Chapter Story Campaign, IMS & Gemstone Ministry of Defense Launch a Military Operation sending 3 Special forces Teams to Advanced City to do Reconnaissance on & Sabotage Protocol 87, A Deadly Protocol by C.G.T.
- 7

The Last of Us™ Part I
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Action and Adventure with Carpe Diem Project.
Discover the award-winning game that inspired the critically acclaimed television show. Guide Joel and Ellie through a post-apocalyptic America, and encounter unforgettable allies and enemies in The Last of Us™.
- 8

Hollowbody
Single-player alternative to Carpe Diem Project — playable solo, no multiplayer required. Shares Indie and Adventure with Carpe Diem Project.
A tech-noir survival horror short story, set in the urban decay of a long abandoned British city. Solve environmental puzzles, manage limited resources and fight for a way to escape beyond the wall.