Games like Abyssmare
Games like Abyssmare include Hades, BioShock Infinite, Black Myth: Wukong, Hades II, and Cyberpunk 2077. We matched them by the tags players give Abyssmare on Steam (Action, RPG, Action Roguelike, Roguelite, and 3D): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Roguelite · Action

BioShock Infinite
Shared: Action · RPG · First-Person

Black Myth: Wukong
Shared: Action · RPG · Singleplayer

Hades II
Shared: Action · Roguelite · Action Roguelike

Cyberpunk 2077
Shared: RPG · Singleplayer · FPS

Gunfire Reborn
Shared: Roguelite · Action · FPS

Vampire Survivors
Shared: Action Roguelike · Roguelite · Singleplayer

Black Mesa
Shared: Action · FPS · Singleplayer

Half-Life 2
Shared: Action · FPS · Singleplayer

Fallout: New Vegas
Shared: RPG · Singleplayer · Action

Fallout 4
Shared: RPG · Singleplayer · Action

UnderMine
Shared: Action Roguelike · Roguelite · RPG

Megabonk
Shared: Action Roguelike · Roguelite · Action

God of War
Shared: Action · Singleplayer · RPG

Delver
Shared: RPG · Action Roguelike · First-Person

SULFUR
Shared: Action Roguelike · Singleplayer · Roguelite

RoboCop: Rogue City
Shared: Action · Singleplayer · FPS

Mortal Sin
Shared: Action Roguelike · RPG · Action

BioShock™
Shared: Action · FPS · Singleplayer

Half-Life
Shared: Action · FPS · Singleplayer

Kingdom Come: Deliverance II
Shared: RPG · Singleplayer · Action

Sephiria
Shared: Action Roguelike · Roguelite · Action

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

BioShock™ 2 Remastered
Shared: Action · Singleplayer · FPS