Games like Custom Image Survivors
Games like Custom Image Survivors include Vampire Survivors, Black Myth: Wukong, Dragon's Dogma 2, Melvor Idle, and Skul: The Hero Slayer. We matched them by the tags players give Custom Image Survivors on Steam (Action, Casual, Top-Down Shooter, 2D, and RPG): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Casual · Action Roguelike

Black Myth: Wukong
Shared: Action · RPG · Singleplayer

Dragon's Dogma 2
Shared: RPG · Action · Singleplayer

Melvor Idle
Shared: Casual · RPG · Singleplayer

Skul: The Hero Slayer
Shared: Action · 2D · Singleplayer

20 Minutes Till Dawn
Shared: Top-Down Shooter · Survival · Action Roguelike

Rogue Legacy
Shared: Action · 2D · Singleplayer

Kingdom Rush - Tower Defense
Shared: 2D · Singleplayer · Casual

Middle-earth: Shadow of War
Shared: Action · RPG · Singleplayer

Crimson Desert Enhanced
Shared: Action · Singleplayer · RPG

Dust: An Elysian Tail
Shared: Action · RPG · 2D

Wolcen: Lords of Mayhem
Shared: Action · RPG · Singleplayer

Death Must Die
Shared: Action · RPG · 2D

MONSTER HUNTER RISE
Shared: Action · RPG · Singleplayer

FINAL FANTASY VII REMAKE INTERGRADE
Shared: RPG · Singleplayer · Action

Brotato
Shared: Singleplayer · Action Roguelike · Survival

BioShock Infinite
Shared: Action · Singleplayer · RPG

Warframe
Shared: Action · RPG · Action RPG

Yet Another Zombie Survivors
Shared: Top-Down Shooter · Singleplayer · Action Roguelike

Cat Quest
Shared: Action · RPG · Casual

Hades
Shared: Action · Action Roguelike · Singleplayer

Bastion
Shared: Action · RPG · Singleplayer

FatalZone
Shared: Top-Down Shooter · Action · Survival

FANTASY LIFE i: The Girl Who Steals Time
Shared: Casual · Action · RPG