Games like Fishyphus
Games like Fishyphus include R.E.P.O., It Steals, CloverPit, The Forest, and Hamster Hunter. We matched them by the tags players give Fishyphus on Steam (Roguelite, Fishing, Horror, Perma Death, and Arcade): closest matches first, and among equally close ones the better-known games.

R.E.P.O.
Shared: Horror · 3D · First-Person

It Steals
Shared: Horror · Perma Death · Arcade

CloverPit
Shared: Roguelite · Horror · First-Person

The Forest
Shared: Horror · Open World · First-Person

Hamster Hunter
Shared: Arcade · Horror · 3D

Dying Light
Shared: Horror · First-Person · Open World

GONE Fishing
Shared: Horror · Fishing · First-Person

Fishing Planet
Shared: Fishing · Relaxing · First-Person

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · 3D

Choo-Choo Charles
Shared: Horror · First-Person · Open World

Lethal Company
Shared: Horror · First-Person · Procedural Generation

Escape the Backrooms
Shared: Horror · First-Person · 3D

Baldi's Basics Plus
Shared: Horror · 3D · Procedural Generation

UMIGARI | ウミガリ
Shared: Fishing · Horror · Sailing

Resident Evil Requiem
Shared: Horror · First-Person · Action

Dying Light: The Beast
Shared: Horror · First-Person · Open World

Deadzone: Rogue
Shared: Roguelite · Horror · First-Person

Buckshot Roulette
Shared: Horror · First-Person · 3D

Bills Must Be Paid
Shared: Roguelite · Relaxing · Arcade

Ziggurat
Shared: Roguelite · First-Person · Action

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · First-Person · 3D

KLETKA
Shared: Horror · First-Person · Roguelite

DREDGE
Shared: Fishing · Horror · Open World

Phasmophobia
Shared: Horror · First-Person · 3D