Games like Eternal Samurai
Games like Eternal Samurai include SANABI, Sonic Origins, UFO 50, Webbed, and Shovel Knight: Treasure Trove. We matched them by the tags players give Eternal Samurai on Steam (Adventure, Action, 2D Platformer, Action-Adventure, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Pixel Graphics · Adventure

Sonic Origins
Shared: Action · Adventure · 2D Platformer

UFO 50
Shared: Action · Pixel Graphics · Retro

Webbed
Shared: 2D Platformer · Pixel Graphics · Cute

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Adventure · Retro

Narita Boy
Shared: Action · Adventure · Retro

Exit the Gungeon
Shared: Action · Adventure · Arcade

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

The Messenger
Shared: Retro · Pixel Graphics · Action

Pipistrello and the Cursed Yoyo
Shared: Action-Adventure · Pixel Graphics · Retro

Terraria
Shared: Adventure · Pixel Graphics · 2D

Gato Roboto
Shared: Action · Adventure · Pixel Graphics

Celeste
Shared: Pixel Graphics · 2D Platformer · Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Adventure · 2D Platformer

STAR WARS Jedi: Survivor™
Shared: Action · Adventure · Action-Adventure

VVVVVV
Shared: Pixel Graphics · 2D Platformer · Retro

SUPER CHICKEN JUMPER
Shared: Pixel Graphics · Action-Adventure · Arcade

Katana ZERO
Shared: Action · Pixel Graphics · 2D Platformer

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Pixel Graphics · Exploration

Rise of the Tomb Raider™
Shared: Adventure · Action · Action-Adventure

Broforce
Shared: Action · Pixel Graphics · 2D

Downwell
Shared: Pixel Graphics · 2D Platformer · Action

Prince of Persia The Lost Crown
Shared: 2D Platformer · Action · Adventure

Tomb Raider Game of the Year
Shared: Adventure · Action · Action-Adventure