Games like Blue Sun Saga
Games like Blue Sun Saga include Escape From Duckov, BALL x PIT, SANABI, Cyberhunt, and Broforce. We matched them by the tags players give Blue Sun Saga on Steam (Action, Adventure, Action-Adventure, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.

Escape From Duckov
Shared: Action · Adventure · Shooter

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

SANABI
Shared: Action · Adventure · Pixel Graphics

Cyberhunt
Shared: Action · Adventure · Shoot 'Em Up

Broforce
Shared: Action · Pixel Graphics · 2D

Exit the Gungeon
Shared: Action · Arcade · Adventure

Bot Vice
Shared: Top-Down Shooter · Action-Adventure · Shoot 'Em Up

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

Zombotron
Shared: Action · Adventure · 2D

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Top-Down

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade

12 is Better Than 6
Shared: Action · Shooter · Top-Down Shooter

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

UFO 50
Shared: Action · Arcade · Adventure

METAL SLUG
Shared: Action · Arcade · 2D

Huntdown
Shared: Action · Shooter · Pixel Graphics

Hyper Light Drifter
Shared: Adventure · Action · Pixel Graphics

BlazBlue Entropy Effect
Shared: Action · Action-Adventure · 2D

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

Revolution Ace
Shared: Action · Shoot 'Em Up · Shooter

Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Shooter

LUFTRAUSERS
Shared: Action · Arcade · Shoot 'Em Up

The Final Station
Shared: Adventure · Action · Pixel Graphics

Titan Souls
Shared: Adventure · Action · Pixel Graphics