2026 · Core Rules (min needed to play)

Echoes of War: A fan-made TTRPG for Halo

An unofficial, non-commercial tactical tabletop RPG set in the Halo universe, using standard d20 rules for military science-fiction action. Players create human or alien characters, including Marines, ODSTs, augmented Spartans, Sangheili, Jiralhanae, Unggoy, Kig-Yar, Yanme'e, and Forerunner Armigers. Combat tracks kinetic, plasma, electrical, and hardlight damage alongside active energy shields. Players manage recoil, scopes, automatic fire, stealth, flanking, assassinations, and called shots, with positioning often outweighing raw statistics. Modular rules support campaigns across multiple historical periods or custom deep-space settings, with core and Game Master materials included.

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