Fortress of Sinister is a thrilling 3D strategy game that blends tactical depth with exciting challenges. Lead a team of distinctive characters through four treacherous fortresses teeming with enemies and traps. Take part in strategic turn-based battles on grid-based arenas, recruit unique units like the Mushroom Priest and Night Hunter, and unveil hidden secrets. Collect valuable loot, upgrade your skills, and unlock powerful allies to face escalating challenges and excel in survival mode. Fortress of the Sinister, 3D strategy RPG, tactical RPG, survival game, fantasy RPG, turn-based battles, grid-based combat, Mushroom Priest, Night Hunter, loot collection, character upgrade, skill upgrades, hidden secrets, mouse controls, kid friendly game, no blood game, strategy game, adventure game, online game, free game