Games like Knights Within
Games like Knights Within include Hades, Risk of Rain 2, The Binding of Isaac: Rebirth, HELLDIVERS™ 2, and The Binding of Isaac. We matched them by the tags players give Knights Within on Steam (Action Roguelike, Hack and Slash, Third-Person Shooter, Replay Value, and Difficult): closest matches first, and among equally close ones the better-known games.
Hades
Shared: Action Roguelike · Hack and Slash · Roguelite
Risk of Rain 2
Shared: Action Roguelike · Third-Person Shooter · Roguelite
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Replay Value · Difficult
HELLDIVERS™ 2
Shared: Third-Person Shooter · PvE · Shooter
The Binding of Isaac
Shared: Action Roguelike · Replay Value · Difficult
Endless Alice
Shared: Action Roguelike · Third-Person Shooter · Hack and Slash
Astral Ascent
Shared: Action Roguelike · Hack and Slash · Roguelite
Hades II
Shared: Hack and Slash · Action Roguelike · Roguelite
Windblown
Shared: Action Roguelike · Hack and Slash · Roguelite
The Forever Winter
Shared: Third-Person Shooter · PvE · Difficult
LORT
Shared: Action Roguelike · Third-Person Shooter · Roguelite
Dead Cells
Shared: Action Roguelike · Hack and Slash · Roguelite
Ravenswatch
Shared: Action Roguelike · Roguelite · Difficult
Shape of Dreams
Shared: Action Roguelike · Hack and Slash · PvE
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Difficult
ARC Raiders
Shared: Third-Person Shooter · PvE · Shooter
Cinderia
Shared: Action Roguelike · Hack and Slash · Roguelite
World War Z
Shared: Zombies · Third-Person Shooter · Shooter
Terminull Brigade™
Shared: Action Roguelike · Third-Person Shooter · PvE
The Last Stand: Aftermath
Shared: Action Roguelike · Roguelite · Zombies
Megabonk
Shared: Action Roguelike · Roguelite · Indie
Nuclear Throne
Shared: Action Roguelike · Difficult · Roguelite
BlazBlue Entropy Effect
Shared: Action Roguelike · Replay Value · Hack and Slash
Lost Castle
Shared: Action Roguelike · Hack and Slash · Roguelite