Games like Bloodthief
Games like Bloodthief include Clustertruck, Ghostrunner, Ghostrunner 2, Neon White, and Haste. We matched them by the tags players give Bloodthief on Steam (Fast-Paced, Parkour, Runner, Hack and Slash, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

Clustertruck
Shared: Parkour · Fast-Paced · 3D Platformer

Ghostrunner
Shared: Fast-Paced · First-Person · Difficult

Ghostrunner 2
Shared: Fast-Paced · Runner · Hack and Slash

Neon White
Shared: Fast-Paced · Parkour · 3D Platformer

Haste
Shared: Fast-Paced · Parkour · 3D Platformer

Mirror's Edge™ Catalyst
Shared: Parkour · Runner · 3D Platformer

VHOLUME
Shared: Parkour · Runner · 3D Platformer

FrostRunner
Shared: Parkour · 3D Platformer · Fast-Paced

Shady Knight
Shared: Fast-Paced · Parkour · First-Person

SEUM: Speedrunners from Hell
Shared: Parkour · 3D Platformer · Fast-Paced

Cyber Hook
Shared: Parkour · Fast-Paced · 3D Platformer

Mirror's Edge™
Shared: Parkour · First-Person · 3D Platformer

DeadCore
Shared: Parkour · Platformer · First-Person

METAL GEAR RISING: REVENGEANCE
Shared: Hack and Slash · Fast-Paced · Swordplay

A Story About My Uncle
Shared: Parkour · First-Person · 3D Platformer

Cloudbuilt
Shared: Parkour · Fast-Paced · 3D Platformer

Katana ZERO
Shared: Hack and Slash · Fast-Paced · Platformer

Refunct
Shared: Parkour · 3D Platformer · First-Person

ULTRAKILL
Shared: Fast-Paced · Difficult · Gore

Gorilla Tag
Shared: Parkour · First-Person · 3D Platformer

Lorn's Lure
Shared: Parkour · 3D Platformer · Difficult

SONIC X SHADOW GENERATIONS
Shared: Fast-Paced · 3D Platformer · Platformer

Sonic Frontiers
Shared: 3D Platformer · Fast-Paced · Action

Hot Lava
Shared: Parkour · 3D Platformer · First-Person