Link Steam
indiegame.fan
Sigma Protocol header art

Sigma Protocol

Command your forces against endless waves of enemies in this intense RTS. Build bases, manage resources, and defend the Omega Beacon across procedurally generated worlds. Play solo or team up with friends via Steam multiplayer.

Steam Page
Developer
NextGen Solutions LLC
Publisher
NextGen Solutions LLC
Release
February 28, 2026
154 days ago
Steam Reviews
1 user reviews1 reviews100.0%

Does this feel indie?

Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.
No votes yet
Vote on More Games
Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Search Google: Who developed Sigma Protocol?Developer scaleThe operating scale of the game's developer.
Search Google: Who published Sigma Protocol?Publisher scaleThe operating scale of the game's publisher.
Search Google: Is Sigma Protocol self-published or published by NextGen Solutions LLC?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Sigma Protocol and NextGen Solutions LLC funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Sigma Protocol and NextGen Solutions LLC?Creative controlWho appears to retain creative control of the game.
Search Google: What is the release status of Sigma Protocol?Release statusWhether and how the game has been released.

Media

8 items

About the Game

Survive endless waves of enemies in this real-time strategy game. Build your base, manage resources, and defend against increasingly difficult attacks.

Key Features

• Wave-based RTS gameplay

• Build bases and train units

• Collect resources and unlock upgrades

• Multiple difficulty levels

• Steam multiplayer co-op (up to 4 players)

• Four different map environments

Gameplay

Construct buildings, train units, and survive enemy waves. Gather gold and iron to expand your base and unlock new technologies. Work toward building the Omega Beacon to achieve victory, or continue in endless survival mode.

Command infantry, artillery, tanks, and other units to defend your base. Build towers, walls, and production facilities to strengthen your defenses.

Indie Game Fan