Games like Cyber Dungeon: Excalibur
Games like Cyber Dungeon: Excalibur include Vampire Survivors, Enter the Gungeon, 暖雪 Warm Snow, Pass the Fear, and Tiny Rogues. We matched them by the tags players give Cyber Dungeon: Excalibur on Steam (Action-Adventure, Bullet Hell, Roguelite, Roguelike, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Bullet Hell · Roguelite · 2D

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

暖雪 Warm Snow
Shared: Roguelite · Action-Adventure · Roguelike

Pass the Fear
Shared: Roguelite · Bullet Hell · Roguelike

Tiny Rogues
Shared: Bullet Hell · Roguelite · Dungeon Crawler

Death Must Die
Shared: Bullet Hell · Roguelite · Roguelike

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Hell · Roguelite · Roguelike

Gunfire Reborn
Shared: Roguelite · Roguelike · Shooter

BALL x PIT
Shared: Roguelite · Bullet Hell · Roguelike

Halls of Torment
Shared: Bullet Hell · Roguelite · Roguelike

Blazing Beaks
Shared: Roguelike · Roguelite · Action-Adventure

Megabonk
Shared: Roguelite · Roguelike · Bullet Hell

Noita
Shared: Roguelike · Dungeon Crawler · 2D

Hades II
Shared: Roguelite · Roguelike · Dungeon Crawler

Star of Providence
Shared: Bullet Hell · Roguelite · Roguelike

Tower of Babel: Survivors of Chaos
Shared: Bullet Hell · Roguelite · Roguelike

Hades
Shared: Roguelite · Roguelike · Dungeon Crawler

Crown Trick
Shared: Roguelike · Roguelite · Dungeon Crawler

Dungreed
Shared: Roguelite · Roguelike · 2D

Nuclear Throne
Shared: Roguelike · Bullet Hell · Roguelite

I Am Legion: Stand Survivors
Shared: Bullet Hell · Roguelite · Roguelike

Skul: The Hero Slayer
Shared: Roguelike · Roguelite · 2D

Pathogenic
Shared: Bullet Hell · Roguelike · Dungeon Crawler

Darkest Dungeon®
Shared: Dungeon Crawler · Roguelike · Strategy