Games like Old Retro Shooter
Games like Old Retro Shooter include Hades, Vampire Survivors, Enter the Gungeon, Nordic Ashes: Survivors of Ragnarok, and Death Must Die. We matched them by the tags players give Old Retro Shooter on Steam (Action Roguelike, Choose Your Own Adventure, Exploration, 3D Platformer, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Indie

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Indie

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Dungeon Crawler

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Exploration · Bullet Hell

Death Must Die
Shared: Action Roguelike · Bullet Hell · Hack and Slash

鬼谷八荒 Tale of Immortal
Shared: Choose Your Own Adventure · Exploration · Simulation

Phantom Abyss
Shared: Action Roguelike · 3D Platformer · Exploration

Hades II
Shared: Action Roguelike · Hack and Slash · Action

Moonlighter
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Hack and Slash

Megabonk
Shared: Action Roguelike · Bullet Hell · Indie

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Hack and Slash

Minecraft Dungeons
Shared: Hack and Slash · Dungeon Crawler · Exploration

Hero Siege
Shared: Action Roguelike · Hack and Slash · RPG

Lost Castle
Shared: Action Roguelike · Hack and Slash · Dungeon Crawler

Army of Ruin
Shared: Action Roguelike · Exploration · Bullet Hell

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Casual

SULFUR
Shared: Action Roguelike · FPS · Dungeon Crawler

Ultimate Epic Battle Simulator 2
Shared: Choose Your Own Adventure · Exploration · Simulation

Deaths Door
Shared: 3D Platformer · Exploration · Hack and Slash

Brotato
Shared: Action Roguelike · Bullet Hell · Hack and Slash

Gunfire Reborn
Shared: FPS · Action Roguelike · Indie

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Hack and Slash

Roboquest
Shared: Action Roguelike · FPS · Bullet Hell