Games like CaptainMarlene
Games like CaptainMarlene include Rogue Legacy 2, Shovel Knight: Treasure Trove, LIMBO, Vampire Survivors, and Skul: The Hero Slayer. We matched them by the tags players give CaptainMarlene on Steam (Indie, Adventure, Casual, Arcade, and Platformer): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Arcade · Indie · Platformer

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Adventure

LIMBO
Shared: Indie · Platformer · Adventure

Vampire Survivors
Shared: Indie · Casual · 2D

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

Pikuniku
Shared: Indie · Adventure · Casual

BEEP
Shared: Indie · Adventure · Platformer

Broforce
Shared: Action · Indie · Platformer

Hollow Knight
Shared: Platformer · Indie · 2D

Defy Gravity Extended
Shared: Indie · Platformer · Puzzle Platformer

Cyberhunt
Shared: Indie · Casual · Adventure

UFO 50
Shared: Indie · Arcade · Action

Rogue Legacy
Shared: Indie · Platformer · Action

SANABI
Shared: Adventure · Action · Indie

Dust: An Elysian Tail
Shared: Indie · Platformer · Action

Out There Somewhere
Shared: Indie · Platformer · Adventure

Hollow Knight: Silksong
Shared: Indie · Platformer · 2D

Chained Together
Shared: Adventure · Casual · Platformer

Nihilumbra
Shared: Indie · Adventure · Casual

Dungeon Munchies
Shared: Indie · Adventure · Action

Super Fancy Pants Adventure
Shared: Adventure · Indie · Action

Kung Fury: Street Rage - Ultimate Edition
Shared: Indie · Arcade · Action

Sonic Mania
Shared: Platformer · 2D · Adventure

Mark of the Ninja
Shared: Indie · Platformer · Adventure