Indie Royale The Replay Bundle (current $4.56)
This was posted 4 months 14 days ago, and might be an out-dated deal
Included in this bundle are FPS and RTS hybrid experience Nuclear Dawn (Windows and Mac on Steam), futuristic tower-defense game Defense Grid: The Awakening (Windows on Steam, Desura, and DRM-free), classic 2D adventure game Gemini Rue (Windows on Steam, Desura, and DRM-free), and two fast-paced dungeon adventures Soulcaster I and II (Windows on Desura and DRM-free). Also included is a very special 56-track album bonus (a $20 value!) for those who pay $8 USD or their currency equivalent during this bundle, the 8 Bit Weapon Collection.
Defense Grid includes six additional items of DLC: the Borderlands DLC, Resurgence Map Packs 1-4, and an upgrade from the first Indie Royale, the 'GLaDOS from Portal'-starring You Monster DLC! (The additional DLC is available for Steam only.)
Defense Grid: The Awakening (and DLC for Steam)
Soulcaster 1 and 2