Games like Rogue Sentry
Games like Rogue Sentry include SANABI, Enter the Gungeon, Cyberhunt, UBERMOSH, and Bloody Hell. We matched them by the tags players give Rogue Sentry on Steam (Twin Stick Shooter, Action-Adventure, Old School, Bullet Hell, and Shoot 'Em Up): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Pixel Graphics · Action-Adventure · Cyberpunk

Enter the Gungeon
Shared: Bullet Hell · Pixel Graphics · Twin Stick Shooter

Cyberhunt
Shared: Twin Stick Shooter · Shoot 'Em Up · Action

UBERMOSH
Shared: Pixel Graphics · Cyberpunk · Twin Stick Shooter

Bloody Hell
Shared: Bullet Hell · Twin Stick Shooter · Pixel Graphics

Waves
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Pixel Graphics

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Retro

LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Pixel Graphics

Nex Machina
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

Vampire Survivors
Shared: Bullet Hell · Pixel Graphics · Indie

Greedland
Shared: Twin Stick Shooter · Shoot 'Em Up · Bullet Hell

Huntdown
Shared: Pixel Graphics · Shoot 'Em Up · Retro

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

Warhammer 40,000: Boltgun
Shared: Retro · Old School · Pixel Graphics

UBERMOSH:WRAITH
Shared: Retro · Pixel Graphics · Twin Stick Shooter

Star of Providence
Shared: Bullet Hell · Shoot 'Em Up · Pixel Graphics

Bot Vice
Shared: Bullet Hell · Shoot 'Em Up · Action-Adventure

Shovel Knight: Treasure Trove
Shared: Retro · Pixel Graphics · Old School

UBERMOSH Vol.3
Shared: Twin Stick Shooter · Pixel Graphics · Bullet Hell

Voidigo
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

QUICKERFLAK
Shared: Old School · Retro · Bullet Hell

Chippy
Shared: Twin Stick Shooter · Bullet Hell · Shoot 'Em Up

BlazBlue Entropy Effect
Shared: Action-Adventure · Pixel Graphics · Action