Single-player games like Milestone
Below are 8 single-player Steam games similar to Milestone, 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 Milestone page.
Ranked picks
- 1
What Happened to Lily?
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Adventure and Casual with Milestone.
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.
- 2
EXPEDITION TO THE BACKROOMS
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
You are the exploration team from company Async, you arrive to reported anomaly place and searching for anomalies, but what would you find? Prepare yourself for a gripping and heart-pounding adventure in EXPEDITION TO THE BACKROOMS, where every step could be your last.
- 3
Mundaun
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
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.
- 4
Everything Is For Humanity
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
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
![[Chilla's Art] Okaeri | おかえり — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1147960/header.jpg?t=1662351711)
[Chilla's Art] Okaeri | おかえり
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
Okaeri is a VHS Japanese psychological horror game about a middle school girl and her mother who recently moved to a new house.
- 6
Shift 87
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Adventure and Casual with Milestone.
Your task today: Memorize your environment and report any anomalies. Good luck with your shift! "Shift 87" is an observation horror game with subtle anomalies and unsettling occurrences.
- 7
Abandoned Souls
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
Abandoned Souls is a horror game, shown through a GoPro lens. You play as a vlogger who specializes in urban exploration.
- 8
Inside Depth 6
Single-player alternative to Milestone — playable solo, no multiplayer required. Shares Action and Adventure with Milestone.
There are 6 depths to descend; the further you go, the more terror you will experience. Uncover mysteries, solve puzzles, and immerse yourself in a dark storyline that Inside Depth 6 has to offer. Journey through all 6 depths to uncover the secrets buried within.