Thief Cores | Marathon

Mission briefing: Thief Cores | Marathon is a first-person, run-based heist simulator where each operation unfolds inside a procedurally restructured complex. Players infiltrate high-security installations, steal power-rich cores, and escape before adaptive defenses converge. Expect tight corridors, tactical stealth, and escalating risk-reward loops ideal for speedrunners and roguelike specialists. Persistent iteration and map memorization transform every failure into actionable intel.