Single-player games like Book of Adventum
Below are 9 single-player Steam games similar to Book of Adventum, 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 Book of Adventum page.
Ranked picks
- 1
Pile 'Em High Episode 3: Convalescence
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
Deep in Colorado’s Rocky Mountains, a secluded estate becomes ground zero for terror. Pile ’Em High 3 throws you into nonstop action‑horror mayhem—cultists, zombies, abominations—all standing between you and the truth behind the world‑shattering Pandemic
- 2
Killing Sun / 抗日大刀队：日军总部
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
"Killing Sun" is an FPS game you do not want to miss if you are a fan of "Wolfenstein 3D". If you want to shoot devils, just play this game! No need to change magazines! No recoil! The operation is simple! Now! Take your Da Dao! Massacre in 27 levels of adrenaline surge! Let the devils all die!
- 3
Phantom Fury
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
Shelly “Bombshell” Harrison is back in this highly interactive mix of first person action and road movie adventure. Embark on an adrenaline-fueled journey around the USA. Use an enormous arsenal of weapons and skills to battle treacherous soldiers and vile mutants, all while trying to save mankind.
- 4
CARNAL
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!
- 5
JAMBREDREK: PURE DETECTIVE
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
Investigate a series of brutal murders in a remote forest county. Search for clues, explore disturbing locations, encounter horrifying creatures, and uncover the truth in this first person horror experience.
- 6
Estancia Protocol Zero
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
A first-person survival horror set in Neuquén, Argentine Patagonia. Venture into a remote estate in Cerro Ocaso to search for your missing partner. Face hordes of the undead, manage your resources, and solve classic puzzles to survive the nightmare.
- 7
Project Warlock II
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.
- 8
Freedom Planet 2
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Indie with Book of Adventum.
The fast paced platforming of Freedom Planet returns! Become a full-time cartoon heroine and use abilities and items suited to your play style to explore the world of Avalice and defend its animal citizens!
- 9
Avenging Angel
Single-player alternative to Book of Adventum — playable solo, no multiplayer required. Shares Action and Adventure with Book of Adventum.
Avenging Angel is a story-driven FPS/Adventure game set in a Steampunk world.