Games like Flappy Shooter
Games like Flappy Shooter include Crab Champions, Vampire Survivors, Megabonk, Nova Drift, and BALL x PIT. We matched them by the tags players give Flappy Shooter on Steam (Casual, Action Roguelike, Shooter, Arcade, and Side Scroller): closest matches first, and among equally close ones the better-known games.

Crab Champions
Shared: Action Roguelike · Arcade · Roguelike

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Casual

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

Nova Drift
Shared: Action Roguelike · Shoot 'Em Up · Arcade

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

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

Bit Blaster XL
Shared: Shooter · Shoot 'Em Up · Bullet Hell

Planes, Bullets and Vodka
Shared: Casual · Shoot 'Em Up · Arcade

Utopia Must Fall
Shared: Casual · Arcade · Action Roguelike

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

Juicy Realm
Shared: Action Roguelike · Casual · Roguelike

Apocalypse Party
Shared: Casual · Action Roguelike · Bullet Hell

Blazing Beaks
Shared: Action Roguelike · Shooter · Roguelike

Rocket Rats
Shared: Action Roguelike · Casual · Bullet Hell

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

Goobies
Shared: Action Roguelike · Casual · Bullet Hell

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

Noobs Want to Live
Shared: Action Roguelike · Casual · Bullet Hell

Twilight Survivors
Shared: Action Roguelike · Shoot 'Em Up · Bullet Hell

Astro Prospector
Shared: Casual · Action Roguelike · Roguelike

Project Lazarus
Shared: Action Roguelike · Casual · Arcade

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

Star of Providence
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up