Games like KeyFortress
Games like KeyFortress include Vampire Survivors, Necrosmith, Death Must Die, Megabonk, and Heretic's Fork. We matched them by the tags players give KeyFortress on Steam (Roguelite, Tower Defense, Bullet Hell, Deckbuilding, and Cyberpunk): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Roguelite · Bullet Hell · Action Roguelike
Necrosmith
Shared: Tower Defense · Roguelite · Bullet Hell
Death Must Die
Shared: Roguelite · Bullet Hell · Action Roguelike
Megabonk
Shared: Roguelite · Bullet Hell · Action Roguelike
Heretic's Fork
Shared: Tower Defense · Deckbuilding · Strategy
One Step From Eden
Shared: Roguelite · Deckbuilding · Action Roguelike
Balatro
Shared: Deckbuilding · Roguelite · Strategy
Nova Drift
Shared: Roguelite · Bullet Hell · Action Roguelike
Slay the Spire 2
Shared: Deckbuilding · Strategy · Roguelite
Pass the Fear
Shared: Roguelite · Bullet Hell · Action Roguelike
Magicraft
Shared: Roguelite · Bullet Hell · Action Roguelike
Halls of Torment
Shared: Roguelite · Bullet Hell · Action Roguelike
SHOOPER NOVA
Shared: Roguelite · Bullet Hell · Strategy
20 Minutes Till Dawn
Shared: Bullet Hell · Roguelite · Action Roguelike
Nordic Ashes: Survivors of Ragnarok
Shared: Roguelite · Bullet Hell · Action Roguelike
Slime 3K: Rise Against Despot
Shared: Bullet Hell · Roguelite · Deckbuilding
Tower of Babel: Survivors of Chaos
Shared: Roguelite · Bullet Hell · Action Roguelike
BALL x PIT
Shared: Roguelite · Bullet Hell · Action Roguelike
Utopia Must Fall
Shared: Roguelite · Tower Defense · Bullet Hell
Slay the Spire
Shared: Deckbuilding · Roguelite · Strategy
Enter the Gungeon
Shared: Bullet Hell · Action Roguelike · Indie
Nuclear Throne
Shared: Bullet Hell · Roguelite · Action Roguelike
Hades
Shared: Roguelite · Action Roguelike · Indie
Soulstone Survivors
Shared: Roguelite · Bullet Hell · Action Roguelike