Single-player games like Project ROSS
Below are 8 single-player Steam games similar to Project ROSS, 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 Project ROSS page.
Ranked picks
- 1
Puppet Mall: Chapter 1: Lost Friend
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
Explore the abandoned Puppet Mall, solve puzzles, and uncover the secrets of its dark past. As John, confront the mall's mysteries and discover what really happened there while investigating the story of Mike and Chris. But be careful... You are not alone.
- 2
Mundaun
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
Mundaun is a lovingly hand-penciled horror tale set in a dark, secluded valley of The Alps. Explore various areas full of secrets to discover, survive hostile encounters, drive vehicles, fill your inventory, and solve a variety of handcrafted puzzles.
- 3
What Happened to Lily?
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
What Happened to Lily? Is a real-time first-person horror game. Discover the secrets and spooky truths behind the mysterious event at Miller Farm.
- 4
Everything Is For Humanity
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
Everything is for Humanity is a story-driven, exploration and puzzle-solving based science fiction horror game which sets in a massive science facility in 2020. You will discover tons of things and find out about the blood-chilling truths with its first-person experience.
- 5
Dark Pals: The 1st Floor
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Adventure with Project ROSS.
In this singleplayer mascot horror game you're trapped in an abandoned children’s asylum. Solve twisted puzzles with your Ink Blaster, evade its disturbing mascots, and uncover secrets you had long forgotten about. Do you remember?
- 6
Amanda the Adventurer 3
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
In the thrilling conclusion of the Amanda the Adventurer trilogy, follow Riley as they uncover the ultimate secrets behind Amanda, Hameln, and mysteries that have plagued Kensdale for decades.
- 7
Filthy us 2
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
千禧年初西北某地，一起恶性杀人事件轰动一时，行凶者临死前紧紧握着半张佛脸，他强烈的怨念引起了“无者”的注意。随着探究的深入，竟又牵扯出十年前另一起纵火灭门案！相同的一尊佛像，背后暗藏的究竟是天灾还是人祸。在那片由怨念产生的怨秽地之中，种种诡异可怖的表象之下，深埋着未知的秘密。
- 8
Black Sheep
Single-player alternative to Project ROSS — playable solo, no multiplayer required. Shares Indie and Adventure with Project ROSS.
Black Sheep" is a 2D story-driven adventure game, you will play a high school student who explores the flooded school ruins, trace the shadow of the past, and unveil the evil those buried in the bottom of the river to see the light of day.