Games like Red Sector
Games like Red Sector include FTL: Faster Than Light, The Binding of Isaac: Rebirth, The Binding of Isaac, Nuclear Throne, and Enter the Gungeon. We matched them by the tags players give Red Sector on Steam (Difficult, Action Roguelike, Shoot 'Em Up, Sci-fi, and Roguelike): closest matches first, and among equally close ones the better-known games.
FTL: Faster Than Light
Shared: Roguelike · Sci-fi · Space
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Difficult · Roguelike
The Binding of Isaac
Shared: Action Roguelike · Difficult · Roguelike
Nuclear Throne
Shared: Action Roguelike · Difficult · Roguelike
Enter the Gungeon
Shared: Action Roguelike · Difficult · Roguelike
Risk of Rain 2
Shared: Action Roguelike · Roguelike · Difficult
BALL x PIT
Shared: Action Roguelike · Roguelike · Shoot 'Em Up
Spelunky
Shared: Action Roguelike · Difficult · Roguelike
Bit Blaster XL
Shared: Difficult · Shoot 'Em Up · Controller
Nova Drift
Shared: Shoot 'Em Up · Action Roguelike · Roguelike
Risk of Rain Returns
Shared: Action Roguelike · Sci-fi · Roguelike
Noita
Shared: Difficult · Roguelike · Action Roguelike
Dead Estate
Shared: Action Roguelike · Difficult · Roguelike
Risk of Rain (2013)
Shared: Action Roguelike · Roguelike · Difficult
Teleglitch: Die More Edition
Shared: Action Roguelike · Difficult · Roguelike
EVERSPACE™
Shared: Action Roguelike · Space · Sci-fi
Pathogenic
Shared: Roguelike · Action Roguelike · Difficult
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Difficult
Megabonk
Shared: Action Roguelike · Roguelike · Loot
SYNTHETIK: Legion Rising
Shared: Action Roguelike · Difficult · Top-Down Shooter
Star of Providence
Shared: Action Roguelike · Shoot 'Em Up · Difficult
Enter the Chronosphere
Shared: Difficult · Action Roguelike · Sci-fi
Hades
Shared: Action Roguelike · Roguelike · Indie
Vampire Survivors
Shared: Action Roguelike · Roguelike · Indie