Single-player games like Monster
Below are 16 single-player Steam games similar to Monster, 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 Monster page.
Ranked picks
- 1
GLASS
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Indie and Casual with Monster.
Bring together desires that are scattered into bits and pieces. And discover the secrets of the 'World of Glass'.
- 2
Working Sakuya
Single-player alternative to Monster — playable solo, no multiplayer required.
This game is a visual novel game consisting of animation for adults.
- 3
Lost
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Strategy and Indie with Monster.
This is a casual intellectual game, accompanied by beautiful girls to find pictures of the same shape, get beautiful pictures and exercise your observation.
- 4
Dream Hacker
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
With the help of the dream machine, you can invade the dreams of sleeping girls. Here you can do whatever you want, or you can help them by interpreting their dreams and then collecting the “reward” you want.
- 5
SuperPantsu Tentikun
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
A lewd game of tentacle pleasures.
- 6
Escape from the Room of the Serving Doll
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
Embark on a journey to escape this enigmatic room with the busty robot, 「Serving Doll Aisha」! A novel combination of classic escape-room challenges and cutting-edge 3D chest animations awaits you. Can you solve all the puzzles in the end and safely escape this Escape Room?
- 7
Succubus Farm
Single-player alternative to Monster — playable solo, no multiplayer required.
A dungeon escape, action game. Play as a captured human forced to work for demons, but one day you decide to make a mad dash for freedom!
- 8
Waifus Smash
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Indie and Casual with Monster.
Need a game with RPG element, rhythm-based combat and Waifus? Everything here in Waifus Smash. Control your hero to explore the world, defeat the enemy and boss under the exiciting background music to save the Obhiro village from threat.
- 9
Tomb 盜墓
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Indie with Monster.
Tomb is an action/adventure game including exploration & discovery, platforming, and puzzle solving, fun fast-paced combat. At the core Tomb is a tight run & gun shooter that will test your skill, timing, reflexes. Building upon that solid arcade base, the game adds a ton of crazy weapons.
- 10
Monster 2
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
Although I had a good house, wealth, I had no girlfriend who could give me sexual comfort. But one night I felt very lucky when I found stray cat girls. After gaining their trust I had sexual pleasure with them. Grace and Lucy disliked it all at first but over time they both came closer to me.
- 11
Goblin
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Strategy with Monster.
The land is full of adventurers. I sit around the Guild Hall, awaiting my next quest. There are always plenty, as there is no end to goblins, yet somehow, these past couple of days, it has been quiet. Every guild member is giving it their all in order to quell as many goblins as possible.
- 12
Monster 3
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
Monster 3 is a puzzle video game in which the player pushes boxes around in a warehouse, trying to get them to storage locations.
- 13
Detective Mikami
Single-player alternative to Monster — playable solo, no multiplayer required.
The outbreak has hit the entire world like a truck. Yet, in some respects, the infestation of the population has affected Mikami and Hirano the most. That is because the two of them are so unlike one another yet they are stuck together, trying to live through this new, dangerous world.
- 14
NTR
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
Enter the world of Block Blast, where you have to use your brain with every step, and you can also watch the magic cube explode, which is super rewarding!
- 15
Assassin and Sister
Single-player alternative to Monster — playable solo, no multiplayer required.
Embark on a journey to save the world in this bullet-filled adventure, born from our desire to mix the joy of open-ended exploration with a top-down shooter's juicy game feel.
- 16
AV Actress's Magical Adventure
Single-player alternative to Monster — playable solo, no multiplayer required. Shares Casual with Monster.
Three years into my marriage with my wife, Ichika, I was working as a magazine editor, entrusted with projects with the renowned photographer, Mr. Oshima. During a meeting one day, Mr. Oshima said to me, "I need an amateur female model in her 30s. How about your wife?"