Games like Abyss Horde
Games like Abyss Horde include Megabonk, Vampire Survivors, Death Must Die, Necrosmith, and Halls of Torment. We matched them by the tags players give Abyss Horde on Steam (Tower Defense, Bullet Heaven, Roguelite, Shoot 'Em Up, and Magic): closest matches first, and among equally close ones the better-known games.
Megabonk
Shared: Bullet Heaven · Roguelite · Roguelike
Vampire Survivors
Shared: Roguelite · Bullet Hell · Casual
Death Must Die
Shared: Roguelite · Bullet Heaven · Bullet Hell
Necrosmith
Shared: Tower Defense · Roguelite · Strategy
Halls of Torment
Shared: Roguelite · Bullet Hell · Roguelike
Brotato
Shared: Bullet Heaven · Roguelike · Roguelite
The Spell Brigade
Shared: Bullet Heaven · Roguelite · Magic
Soulstone Survivors
Shared: Bullet Heaven · Roguelite · Roguelike
20 Minutes Till Dawn
Shared: Roguelite · Shoot 'Em Up · Bullet Hell
BALL x PIT
Shared: Roguelite · Shoot 'Em Up · Roguelike
Heretic's Fork
Shared: Bullet Heaven · Tower Defense · Strategy
Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Roguelite · Bullet Hell
Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Roguelite · Roguelike
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Casual
Spirit Hunters: Infinite Horde
Shared: Bullet Heaven · Roguelite · Magic
Rogue Tower
Shared: Tower Defense · Strategy · Casual
Kingdom Rush Frontiers - Tower Defense
Shared: Tower Defense · Strategy · Casual
Astro Prospector
Shared: Roguelite · Casual · Bullet Heaven
Nova Drift
Shared: Shoot 'Em Up · Roguelite · Bullet Heaven
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual
Bloons TD 6
Shared: Tower Defense · Strategy · Casual
The King is Watching
Shared: Tower Defense · Roguelike · Roguelite
Necrosmith 2
Shared: Tower Defense · Roguelite · Strategy
Boneraiser Minions
Shared: Roguelite · Bullet Heaven · Bullet Hell