IMHO.

Single-player games like CE-III Protocol: Last Drop

Below are 8 single-player Steam games similar to CE-III Protocol: Last Drop, 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 CE-III Protocol: Last Drop page.

Ranked picks

  1. 1
    The Witch's House MV — Steam game cover

    The Witch's House MV

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    A young girl, Viola, is drawn inexorably to a mysterious manor that seems to change behind her back. It is a place of pain, turmoil and death. Plumb its detestable depths and abominable history. Untangle riddles that bar your perilous path. And flee the hellish halls of The Witch’s House.

    2018IndieAdventureRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Ib — Steam game cover

    Ib

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    A 2D exploration adventure game set in a creepy, mysterious art gallery.

    2022IndieAdventure12.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Asleep: Act 1 — Steam game cover

    Asleep: Act 1

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    Immersed in her nightmares, in a chaotic reality, confused and all alone. The only safe place is her room, but not forever... She wanders through an empty city and strange places while fleeing from creatures lurking in the darkness to find out what's going on. You are in the skin of Ana Lúcia.

    2024IndieAdventure9.99 USDSingle-playerSimilar games →
  4. 4
    Corpse Party — Steam game cover

    Corpse Party

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    A group of friends unknowingly perform an occult ritual that traps them in an otherworldly elementary school. Here, the vengeful spirits of young children threaten their lives and their sanity, and the only hope of survival is to uncover the chilling details behind the murders of those trapped before them...

    2016IndieAdventureRPG14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Dead of Darkness — Steam game cover

    Dead of Darkness

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    Dead of Darkness is a 2D survival-horror action-adventure. Investigate a mysterious island and unravel its disturbing secret. You’ll have to face grotesque creatures, hurdle deadly traps, solve puzzles, and most importantly, survive.

    2025ActionIndieAdventure15.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Cabernet — Steam game cover

    Cabernet

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    Cabernet is a 2D narrative RPG set in a 19th century Eastern European inspired world, with a modern twist. Guide Liza, a young vampire in her new unlife among the unsuspecting townsfolk. Will you retain your humanity or descend further into the horror you have become?

    2025IndieAdventureSimulation19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Among the Sleep - Enhanced Edition — Steam game cover

    Among the Sleep - Enhanced Edition

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    Among the Sleep: Enhanced Edition is a new and improved version of the award winning first person horror adventure. In the game you play as a small child trapped in a weird nightmare where you go looking for your mom.

    2014ActionIndieAdventure16.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Lone Survivor: The Director's Cut — Steam game cover

    Lone Survivor: The Director's Cut

    Single-player alternative to CE-III Protocol: Last Drop — playable solo, no multiplayer required. Shares Indie and Adventure with CE-III Protocol: Last Drop.

    In this original and adult psychological survival horror, the masked protagonist must escape from a city ravaged by disease, by any means necessary.

    2012ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →