Napoleonic Nightmares

You are infantrymen during the Napoleonic Wars. So far you've survived the gruelling experience, but something stirs in the dark. Recently strange things have been happening. Soldiers have been disappearing in mysterious circumstances, and bizarre creatures have been sighted in the forests and towns of the surrounding area. Your commanding officer has generally dismissed the rumours as nonsense, but to keep morale up they have sent your unit to investigate a recent report.