Single-player games like Sister Leticia: The First Mission!
Below are 8 single-player Steam games similar to Sister Leticia: The First Mission!, 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 Sister Leticia: The First Mission! page.
Ranked picks
- 1

Livestream: Escape from Hotel Izanami
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
In this side-scrolling action-adventure game, you'll need to scour the inside of an abandoned hotel, looking for clues to solve the mystery of the hotel and ensure your escape from a mysterious, murderous mascot intent to kill.
- 2

Teleportals. I swear it's a nice game
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
I swear it's a nice puzzle game.
- 3

UnderParty
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
UnderParty is an Action Platformer game. This game is made up of a very high level of difficulty. It's very violent, so be careful.
- 4

Super Neptunia RPG
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
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.
- 5

Maytroid. I swear it's a nice game too
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
I swear it's a nice action metroidvania game.
- 6

Bullet Girls Phantasia
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action with Sister Leticia: The First Mission!.
"Bullet Girls Phantasia" is the latest installment of the all-female third person shooter "Bullet Girls" series. This game is a thrilling action-packed game where cute girls shoot assault rifles and bazookas in a world filled with slimes, orcs, and dragons.
- 7

Panty Party
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
Panty Party is a fast-paced battle game. Fly as a panty in the street and in-between buildings. Search for the enemy panties and kick their bad ♥♥♥!
- 8

The Vagrant
Single-player alternative to Sister Leticia: The First Mission! — playable solo, no multiplayer required. Shares Action and Adventure with Sister Leticia: The First Mission!.
Guide Vivian the Vagrant, through vibrant and dynamic landscapes while hacking and slashing a path from a quiet coastal village through mysterious forests, haunted castles, and wrecked battlegrounds. When the endless barrage of enemies have been vanquished, what solace will be left for our hero?