Single-player games like Four Lights : The 1st World [Iruka Route]
Below are 8 single-player Steam games similar to Four Lights : The 1st World [Iruka Route], 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 Four Lights : The 1st World [Iruka Route] page.
Ranked picks
- 1

Sweet Clockwork
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie and Adventure with Four Lights : The 1st World [Iruka Route].
"To save you, I have repeated death thousands of times." In this time-loop mystery romance, you must use your 'Time Travel Ring' to uncover the identity of the killer 'X' within the endlessly repeating day. Stop the destined tragedy and change your fate. Sweet Clockwork: A Dark Mystery Romance VN
- 2

Pineford: Part I
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie and Adventure with Four Lights : The 1st World [Iruka Route].
Investigate the murder of Evie Roots. Save the town from disaster. Learn the history of the Great Houses. Immerse yourself in the centuries-old history of Pineford.
- 3

Causal Effect
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie with Four Lights : The 1st World [Iruka Route].
This is a text-based deduction game. Your choices will change the development of events, make up different timelines, and lead to different endings. Your primary task is to sort out the cause-and-effect relationships between events from textual descriptions.
- 4

Moonflower
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie and Adventure with Four Lights : The 1st World [Iruka Route].
When the source of the kingdoms magic is in danger, High Alchemist Nika Skylar has no choice but to intervene. Joined by a mysterious detective Skylar must act before the kingdom is plunged into darkness.
- 5

Love starts again
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie and Adventure with Four Lights : The 1st World [Iruka Route].
A live-action romance adventure with high-definition images from a first-person perspective. A love drama begins with a friend, a childhood friend, a junior from high school, a senior at a part-time job, an influencer you like, and a student you saved from a delinquent...
- 6

AIR
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Adventure with Four Lights : The 1st World [Iruka Route].
Summer stretches on endlessly. Beneath the vast blue sky. Beneath the air in which she awaits— AIR, the second game released by visual novel studio Key, is now available on Steam! Now featuring the side story novel, "First Sky Chapter" and full voice support!
- 7

CHRONO CROSS: THE RADICAL DREAMERS EDITION
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Adventure with Four Lights : The 1st World [Iruka Route].
CHRONO CROSS is an RPG that transcends time and space, unfolding across two interlinked parallel worlds. With over 40 party members to meet, people and dimensions will intertwine in this epic drama about the planet itself.
- 8

Gensokyo:Presumption of Guilt~Pansies Before Dawn
Single-player alternative to Four Lights : The 1st World [Iruka Route] — playable solo, no multiplayer required. Shares Indie and Adventure with Four Lights : The 1st World [Iruka Route].
Explore the intertwined fates of humans and youkai in this interactive fiction. As an unwitting protagonist, enter the sealed realm of Gensokyo to investigate a series of bizarre murders. Unearth ancient secrets and witness a gripping saga hidden for millennia.