Sisters' Aegis

Control Valkyria through a magical world where seven sisters battle for power. A twin-stick shooter with upgrade systems, resonance mechanics, and a story about competitive siblings, and the question of what you'd do with the power to grow.

At a glance

• Platform: Windows.
• Genres: Action, Casual, Indie.
• Release date: Mar 31, 2026.
• Steam user reviews: No user reviews.
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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