Games like Green Soldier
Games like Green Soldier include SANABI, Katana ZERO, Celeste, Pizza Tower, and Super Meat Boy. We matched them by the tags players give Green Soldier on Steam (2D Platformer, PvE, Action, Platformer, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

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

Celeste
Shared: Pixel Graphics · 2D Platformer · Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Pixel Graphics

Super Meat Boy
Shared: Platformer · 2D Platformer · Pixel Graphics

Shovel Knight: Treasure Trove
Shared: Platformer · Pixel Graphics · Action

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · Platformer

The Messenger
Shared: Platformer · Pixel Graphics · 2D Platformer

Sonic Origins
Shared: 2D Platformer · Action · Pixel Graphics

VVVVVV
Shared: 2D Platformer · Pixel Graphics · Platformer

Gravity Circuit
Shared: Action · Platformer · 2D Platformer

Broforce
Shared: Action · Pixel Graphics · Platformer

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Platformer

BlazBlue Entropy Effect
Shared: Action · Platformer · 2D

Out There Somewhere
Shared: Platformer · Pixel Graphics · Action

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

Downwell
Shared: Pixel Graphics · 2D Platformer · Platformer

Hollow Knight
Shared: Platformer · 2D · Singleplayer

Bloodstained: Curse of the Moon
Shared: Action · Pixel Graphics · Platformer

Sonic Mania
Shared: Platformer · 2D · Pixel Graphics

Webbed
Shared: 2D Platformer · Pixel Graphics · Platformer

Rivals of Aether
Shared: Pixel Graphics · 2D Fighter · Platformer

Narita Boy
Shared: Action · Platformer · 2D Platformer

UFO 50
Shared: Action · Pixel Graphics · 2D