Single-player games like UnderParty
Below are 9 single-player Steam games similar to UnderParty, 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 UnderParty page.
Ranked picks
- 1
Lustful Chemistry
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Adventure with UnderParty.
To prove to the world her geniality, Sibela has created a lewd serum capable of releasing all creatures' horniness. However, she is not the only one with this goal; a rival has shown her way. Can you help Sibela earn the title of the biggest slut scientist on the planet?
- 2
LEWDAPOCALYPSE Hentai Evil
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
It's a game about Zombies, Viruses, Love, Sex and Evil Corporations. You'll have to force your way to safety through lots of Zombies, Monsters and Lusted Cocks and Pussies! And don't forget the PENESIS! ADULTS ONLY!
- 3
UnHolY DisAsTeR
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
The novice priestess who serves "the Spirit of Aqua”, Clementine fights against so-called demons with the spirit's blessings in this exploration based side-scrolling action game!
- 4
Mysteria ~Occult Shadows~
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
Explore the land of Sulnas as the "Shadow of Death", a cat girl who's dauntless and fierce. The land is poisoned by secret power and desperately needs salvation. Can you save it from its sure demise or will you doom its fate like everyone else would?
- 5
Midnight Castle Succubus DX
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Adventure with UnderParty.
A succubus issues threats against humanity once every 100 years. While men die and young women disappear one by one, a succubus hunter visits a cursed city under the moonlight. Let's rescue abducted girls and defeat the succubus!
- 6
Demoniaca: Everlasting Night
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
Demoniaca - is a dark, gothic, mature and sexy action RPG inspired by the Castlevania series. Explore, fight, meet new friends and avenge those who brought you unbearable pain and loss.
- 7
Dragon Knight
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
This a rogue-like 2D ARPG with an amazing storyline. You act as Sue, along with the Dark Knight, slay dragons to get stronger in the process. You'll encounter many a man during your journey to invincible, some could be allies while other have a wish to kill. Group up with different NPC and tell the story of your own.
- 8
Super Neptunia RPG
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Adventure with UnderParty.
Neptune, stricken with amnesia, awakes in a mysterious world where 2D reigns supreme. With a little help from her friends, Neptune embark on a journey to regain her memory, save the world, and 3D games as we know it.
- 9
Epido
Single-player alternative to UnderParty — playable solo, no multiplayer required. Shares Action and Indie with UnderParty.
Epido is a simple Shoot'em up game. Use Cupid's arrows to conquer them.