IMHO.

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. 1
    Livestream: Escape from Hotel Izanami — Steam game cover

    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.

    2021ActionAdventure7.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Teleportals. I swear it's a nice game — Steam game cover

    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.

    2018ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  3. 3
    UnderParty — Steam game cover

    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.

    2020ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  4. 4
    Super Neptunia RPG — Steam game cover

    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. 

    2019ActionAdventureRPG29.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Maytroid. I swear it's a nice game too — Steam game cover

    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.

    2018ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    Bullet Girls Phantasia — Steam game cover

    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.

    2020Action29.99 USDSingle-playerSimilar games →
  7. 7
    Panty Party — Steam game cover

    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 ♥♥♥!

    2017ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Vagrant — Steam game cover

    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?

    2018ActionIndieAdventure0.79 USDDeck VerifiedSingle-playerSimilar games →