Games like Ultimate Protector
Games like Ultimate Protector include Vampire Survivors, Kingdom Rush - Tower Defense, Megabonk, Death Must Die, and 20 Minutes Till Dawn. We matched them by the tags players give Ultimate Protector on Steam (Casual, Action, Action Roguelike, Tower Defense, and 2D Platformer): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Kingdom Rush - Tower Defense
Shared: Tower Defense · Casual · Action
Megabonk
Shared: Action Roguelike · Action · Bullet Hell
Death Must Die
Shared: Action Roguelike · Bullet Hell · Action
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Casual
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Pixel Graphics
Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Casual · 2D
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Casual · 2D
Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Pixel Graphics
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action
BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D
Rocket Rats
Shared: Action Roguelike · Casual · Bullet Hell
Asgard's Fall — Viking Survivors
Shared: Action Roguelike · Casual · Bullet Hell
Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer
Ninja Kiwi Archive
Shared: Casual · Action · Tower Defense
Noobs Want to Live
Shared: Action · Bullet Hell · Casual
Seraph's Last Stand
Shared: Casual · Action Roguelike · Bullet Hell
Downwell
Shared: Action Roguelike · Action · Pixel Graphics
Desktop Survivors 98
Shared: Action Roguelike · Action · Casual
Rock 'N' Roll Defense
Shared: Casual · Tower Defense · Action
BALL x PIT
Shared: Action · Action Roguelike · Bullet Hell
Nuclear Throne
Shared: Action Roguelike · Action · Pixel Graphics
SANABI
Shared: Action · Pixel Graphics · 2D Platformer