Single-player games like Monster 3
Below are 16 single-player Steam games similar to Monster 3, 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 3 page.
Ranked picks
- 1

SENRAN KAGURA Bon Appétit! - Full Course
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
The busty shinobi of SENRAN KAGURA exchange their kunais for kitchen knives in this epic cooking/rhythm showdown! Culinary warfare is carried out via rhythm battles, and players who can create the ultimate Super Dish may be treated to a special feast for the eyes as well.
- 2

IN HEAT: Lustful Nights
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
IN HEAT: Lustful Nights puts you in the role of a newly recruited Security Guard on the tropical paradise of Diamond Straits, a haven for the rich and the degenerate to enjoy the island’s exclusive and revolutionary anthropomorphic entertainers. Welcome to your new career. Happy Hunting.
- 3

Winter Memories
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
After the unforgettable summer memories you’ve made half a year ago, Yui, Rio, and Miyuki are back. With the change of seasons and the cold falling snow, a new page to your story is about to begin.
- 4

Sexy Mystic Survivors
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
Roguelite bullet-hell combat meets sexy anime action in Sexy Mystic Survivors, as you rise to the occasion to help gorgeous heroines destroy countless invading monsters. Plan your builds, upgrade heroines, and survive against the clock. Keep the heroines alive and they’ll be sure to reward you!
- 5

NEKOPARA Vol. 1
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
What's NEKOPARA? Why, it's a cat paradise! Kashou Minaduki, the son of a long line of Japanese confection makers moved out to open his own shop "La Soleil" as a patisserie.
- 6

KoboldKare
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
KoboldKare is a multiplayer farming simulator, but instead of making produce you're making naked Kobolds! It's an FPS where there is bhopping, surfing, trimping, and also sex.
- 7

BUNNY GARDEN
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
This is a dating sim adventure game that takes place in a gentlemen's haven called "Bunny Garden". At "Bunny Garden", you can enjoy drinking with the adorable staff, and develop relationships. Forget about your daily stress and enjoy to your heart's content. Your choices will shape the narrative.
- 8

Summer Clover
Single-player alternative to Monster 3 — playable solo, no multiplayer required.
Experience a summer like never before as you become a live-in housekeeper for three charming sisters (and your supportive supervisor).
- 9

Monster
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
This is a casual Sokoban game. Players need to use the keyboard to control the female character to complete the task and move to the next level.
- 10

Tomb 盜墓
Single-player alternative to Monster 3 — playable solo, no multiplayer required.
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.
- 11

Monster 2
Single-player alternative to Monster 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
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.
- 12

Goblin
Single-player alternative to Monster 3 — playable solo, no multiplayer required.
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.
- 13

Detective Mikami
Single-player alternative to Monster 3 — 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 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
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 3 — 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 3 — playable solo, no multiplayer required. Shares Casual with Monster 3.
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?"