Single-player games like Forgotten 23
Below are 10 single-player Steam games similar to Forgotten 23, 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 Forgotten 23 page.
Ranked picks
- 1

Between Horizons – A Sci-Fi Detective Adventure
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
- 2

Sergeant Squidley: Space Cop!
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Adventure with Forgotten 23.
There's been a murder in Moontropolis, and it's up to Sergeant Squidley to solve it! In this retro roleplaying/adventure hybrid, you’ll spend a week as Squidley trying to crack the case. But between family troubles and saxophone practice will you even find the time for detective work?
- 3

201 - The Bad Number
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
"201 - The Bad Number" is an interactive science fiction game-book set on a post-apocalyptic Mars. In a world where only 200 people remain, each new inhabitant may hasten civilization's end. Players make choices that impact the fate of humanity and the colony in a unique dystopian setting.
- 4

Edicts of the Truthsinger: The Orb of Artemagus
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Six witnesses, six suspects, and thousands of discoverable lines of dialog. You're the fantasy detective on the case of a stolen magical artifact, and in order to determine the truth you'll have to cross examine, interrogate, and reference all your resources to catch the thief before time runs out.
- 5

Orwell: Ignorance is Strength
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Step into the shoes of a government official in a top-secret department of the Orwell surveillance program. Given the power to both uncover and fabricate "the truth", how far will you go in the service of your country? Season 2 of Orwell, the award-winning surveillance thriller.
- 6

Dry Drowning
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Dry Drowning is a psychological investigative visual novel set in a futuristic dystopian city. Follow the story of Mordred Foley, unscrupulous private detective haunted by his dark past, and look into a series of macabre serial killings inspired by Greek mythology.
- 7

Uncover the Smoking Gun
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
A Battle of Wits with AI: Solve the case by conversing with a suspect robot using GPT to gather evidence. What single truth emerges from countless dialogues and pieces of information?
- 8

Orwell: Keeping an Eye On You
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Big Brother has arrived - and it’s you. Investigate the lives of citizens to find those responsible for a series of terror attacks. Information from the internet, personal communications and private files are all accessible to you. But, be warned, the information you supply will have consequences.
- 9

DARK MINUTE: Kira's Adventure
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
Platform your way through a shadowy dungeon, grab the cells to unlock the exit, and rush out before the clock hits 1 minute and the lights go out. Welcome to the darkest minute of your life, Kira!
- 10

Saghala: Heroes of the Last World
Single-player alternative to Forgotten 23 — playable solo, no multiplayer required. Shares Indie and Adventure with Forgotten 23.
2081. Earth, now known as Saghala, was destroyed by nuclear war and coronal mass ejections. Despite the devastation, humanity lingers on. Sixty years after the End, four factions vie for control of the Core, the last fusion reactor. Decide the fate of Saghala in a classic, top-down cRPG!