Games like Archtower
Games like Archtower include Hades, Gunfire Reborn, Hades II, Delver, and The Binding of Isaac: Rebirth. We matched them by the tags players give Archtower on Steam (Action Roguelike, RPG, Dungeon Crawler, First-Person, and FPS): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Gunfire Reborn
Shared: Roguelite · FPS · Roguelike

Hades II
Shared: Action Roguelike · Roguelite · Roguelike

Delver
Shared: Dungeon Crawler · RPG · Action Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Dungeon Crawler

UnderMine
Shared: Action Roguelike · Dungeon Crawler · RPG

SULFUR
Shared: Action Roguelike · FPS · Dungeon Crawler

Noita
Shared: Dungeon Crawler · Roguelike · Action Roguelike

BioShock Infinite
Shared: First-Person · FPS · RPG

Moonlighter
Shared: Dungeon Crawler · Action Roguelike · Roguelite

Dungreed
Shared: Action Roguelike · Roguelite · Roguelike

Heroes of Hammerwatch II
Shared: Action Roguelike · RPG · Dungeon Crawler

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Wizard of Legend
Shared: Action Roguelike · Dungeon Crawler · Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelike

Mortal Sin
Shared: Action Roguelike · First-Person · Dungeon Crawler

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

Dead Cells
Shared: Action Roguelike · Roguelike · Adventure

Slasher's Keep
Shared: Action Roguelike · Dungeon Crawler · First-Person

Streets of Rogue
Shared: Action Roguelike · RPG · Roguelite

Children of Morta
Shared: Action Roguelike · Roguelike · RPG

Barony
Shared: Dungeon Crawler · Action Roguelike · Roguelike

Ziggurat
Shared: Action Roguelike · Roguelite · FPS

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action