Games like Insectophobia : Episode 1
Games like Insectophobia : Episode 1 include LIMBO, SANABI, Thomas Was Alone, Deadlight, and MO:Astray. We matched them by the tags players give Insectophobia : Episode 1 on Steam (Platformer, Side Scroller, Adventure, Sci-fi, and Survival Horror): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Platformer · Indie · Adventure

SANABI
Shared: Adventure · Action · 2D Platformer

Thomas Was Alone
Shared: Platformer · Side Scroller · Sci-fi

Deadlight
Shared: Platformer · Adventure · Action

MO:Astray
Shared: Adventure · Platformer · Action

Celeste
Shared: Platformer · 2D Platformer · Indie

Hollow Knight
Shared: Platformer · Indie · Adventure

Mark of the Ninja
Shared: Platformer · Side Scroller · Indie

ICEY
Shared: Side Scroller · Action · Adventure

Zombotron
Shared: Adventure · Action · Platformer

Planet of Lana
Shared: Action · Platformer · 2D Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Platformer

Shovel Knight: Treasure Trove
Shared: Platformer · Adventure · Indie

Dust: An Elysian Tail
Shared: Platformer · Action · Adventure

Rogue Legacy 2
Shared: Platformer · Adventure · Action

Out There Somewhere
Shared: Platformer · Adventure · Indie

Little Nightmares
Shared: Adventure · Horror · Platformer

Axiom Verge
Shared: Platformer · Indie · Sci-fi

The Way
Shared: Adventure · Platformer · Action

Anomaly Agent
Shared: Side Scroller · Platformer · 2D Platformer

Ghost Song
Shared: Sci-fi · Platformer · Action

Gato Roboto
Shared: Adventure · Platformer · Indie

Broforce
Shared: Platformer · Action · Side Scroller

NINJA GAIDEN: Ragebound
Shared: Platformer · Side Scroller · Action