Games like Synergy Strike
Games like Synergy Strike include Vampire Survivors, Picayune Dreams, Brotato, Enter the Gungeon, and Megabonk. We matched them by the tags players give Synergy Strike on Steam (Bullet Hell, Action Roguelike, Colorful, Psychedelic, and Local Multiplayer): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Bullet Hell · Action Roguelike · 2D
Picayune Dreams
Shared: Bullet Hell · Action Roguelike · Psychedelic
Brotato
Shared: Bullet Hell · Action Roguelike · Local Co-Op
Enter the Gungeon
Shared: Bullet Hell · Action Roguelike · Local Co-Op
Megabonk
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Death Must Die
Shared: Bullet Hell · Action Roguelike · Bullet Heaven
Rabbit and Steel
Shared: Bullet Hell · Action Roguelike · Colorful
Everhood
Shared: Bullet Hell · Psychedelic · Colorful
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action
Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Nova Drift
Shared: Bullet Hell · Action Roguelike · Colorful
20 Minutes Till Dawn
Shared: Bullet Hell · Action Roguelike · Survival
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Rogue: Genesia
Shared: Bullet Hell · Action Roguelike · Bullet Heaven
Just Shapes & Beats
Shared: Bullet Hell · Local Multiplayer · 2D
Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Pathogenic
Shared: Bullet Hell · Action Roguelike · Local Co-Op
Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Bullet Heaven
Ship of Fools
Shared: Action Roguelike · Local Multiplayer · Local Co-Op
Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action
BALL x PIT
Shared: Bullet Hell · Action Roguelike · Action
Boneraiser Minions
Shared: Bullet Hell · Action Roguelike · 2D
The Spell Brigade
Shared: Bullet Hell · Action Roguelike · Bullet Heaven
Atomicrops
Shared: Bullet Hell · Action Roguelike · Action