Letum

Letum was one of those straightforward action games from the Flash era. You would find it on a gaming portal, load it up in your browser, and be shooting within seconds. It didn't try to be anything more than a quick, intense distraction.

You control a lone survivor in a small, walled-off area. Zombies pour in from all sides, and your job is to last as long as possible. You move with the A and D keys, jump with W, and aim and fire with your mouse. The space bar opens a shop menu between waves, letting you spend earned cash on better guns or health. The pace is relentless; the zombies are slow but numerous, and they quickly surround you if you stay in one spot. It feels tense and claustrophobic, a simple test of your positioning and aim under constant pressure.