Games like HackeRPG
Games like HackeRPG include Vampire Survivors, Hades, Megabonk, The Farmer Was Replaced, and Halls of Torment. We matched them by the tags players give HackeRPG on Steam (Programming, Logic, Action Roguelike, Bullet Hell, and Education): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Roguelite · Action

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

The Farmer Was Replaced
Shared: Programming · Logic · Education

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

SHENZHEN I/O
Shared: Programming · Logic · Automation

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelite

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

TIS-100
Shared: Programming · Logic · Education

Brotato
Shared: Action Roguelike · Bullet Hell · Singleplayer

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Indie

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Roguelite

Human Resource Machine
Shared: Programming · Education · Logic

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

Opus Magnum
Shared: Programming · Logic · Automation

Hades II
Shared: Action Roguelike · Action · Roguelite

Star of Providence
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Monsters are Coming!
Shared: Bullet Hell · Action Roguelike · Roguelite

