Games like Complex Loop
Games like Complex Loop include The Hungry Lamb: Traveling in the Late Ming Dynasty, STEINS;GATE, The Wolf Among Us, Refind Self: The Personality Test Game, and Fate/hollow ataraxia REMASTERED. We matched them by the tags players give Complex Loop on Steam (Adventure, Visual Novel, Choose Your Own Adventure, Time Travel, and Dark): closest matches first, and among equally close ones the better-known games.

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Adventure · Dark

STEINS;GATE
Shared: Visual Novel · Time Travel · Anime

The Wolf Among Us
Shared: Adventure · Choose Your Own Adventure · Visual Novel

Refind Self: The Personality Test Game
Shared: Visual Novel · Adventure · Choose Your Own Adventure

Fate/hollow ataraxia REMASTERED
Shared: Adventure · Visual Novel · Choose Your Own Adventure

Suzerain
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction

WITCH ON THE HOLY NIGHT
Shared: Visual Novel · Adventure · Anime

STEINS;GATE 0
Shared: Visual Novel · Time Travel · Anime

Tiny Bunny
Shared: Visual Novel · Dark · Adventure

60 Seconds! Reatomized
Shared: Choose Your Own Adventure · 2D · Point & Click

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Anime · 2D

Tiny Bunny: Prologue
Shared: Visual Novel · Adventure · 2D

Far Away
Shared: Visual Novel · Choose Your Own Adventure · Adventure

It was a human.
Shared: Adventure · Visual Novel · Choose Your Own Adventure

GNOSIA
Shared: Visual Novel · Time Travel · Anime

Endless Monday: Dreams and Deadlines
Shared: Visual Novel · Choose Your Own Adventure · Adventure

Vampires' Melody
Shared: Visual Novel · Adventure · Anime

No Case Should Remain Unsolved
Shared: Visual Novel · Adventure · Point & Click

Five Nights at Freddy's: Into the Pit
Shared: Adventure · Time Travel · 2D

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Anime · 2D

PARANORMASIGHT: The Seven Mysteries of Honjo
Shared: Adventure · Visual Novel · Anime

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Adventure · Visual Novel · Anime

Petit Game Collection vol.1
Shared: Adventure · Visual Novel · Choose Your Own Adventure

Your Turn To Die -Death Game By Majority-
Shared: Dark · Choose Your Own Adventure · Point & Click