Undead Invasion

A roguelike survival shooter where every defense counts

Undead Invasion blends the relentless pressure of a side-scrolling shooter with the long-term planning of a tower-defense strategy game, delivering a survival experience where every decision echoes through the ruins of a collapsing homeland. Set inside a devastated orphanage that now serves as your fragile base, the game transforms each run into a desperate stand - filled with rising tension, limited resources, and unpredictable upgrades that reshape how you fight the undead.

If you're searching for a wave-based zombie game that rewards smart planning, adaptive playstyles, and replayability, Undead Invasion deserves a spot on your radar.

A homeland on the brink: Your orphanage base of operations

The heart of the game lies in the ruined orphanage - a grim, symbolic headquarters where every choice matters. As the environment crumbles, you’re pushed to:

- Reinforce weakened structures

- Purchase upgrades with scarce resources

- Prepare for zombie waves that escalate daily

The orphanage isn’t just a backdrop; it’s the silent narrator of your survival story, reflecting your successes and failures through every repaired wall and collapsed barricade.

Defeat, survive, defend

Defeat the Undead

Waves intensify with each passing day, introducing new enemy types with varied behaviors. Your weapon selection, positioning, and timing dictate whether you thin the horde—or get overwhelmed.

Survive the Onslaught

Survival relies on smart resource management. Every earned currency unit fuels your weapon upgrades, barricades, traps, and structural reinforcements. Mistakes compound quickly, transforming cracks in your defense into lethal opportunities for the dead.

Defend the Homeland

Your defense lines consist of layered structures, traps, and placement strategies you build between waves. Each decision shapes how long the orphanage stands, making thoughtful planning every bit as important as raw shooting skill.

Combat controls – Quick reactions, precise execution

Mastery of the controls is essential in Undead Invasion’s fast-paced battles:

Click – Fire your weapon
[Q] – Switch weapons
[E] – Swing your knife for close combat
Numpad 1 – Deploy a bomb
Fence Icon – Build structures
[R] – Reload
Spacebar – Kick enemies back

These actions form a tight combat loop, where the timing of each reload, kick, or weapon swap can determine whether the frontline stabilizes or collapses.

How randomization keeps every roguelike run fresh

One of the game's standout strengths is its unpredictable upgrade system. No two runs unfold the same way, pushing you to adapt your tactics as new upgrades and weapon modifications change your combat rhythm.

You’ll discover damage boosts, fire-rate increases, structural upgrades, and specialized weapon enhancements. This constant variation makes every long-term defense attempt feel fresh - and every successful run that much more rewarding.

Build, experiment, and optimize in playground mode

Not every moment needs to be life-or-death. Undead Invasion includes a Playground Mode where you can freely test traps and structures, experiment with weapons, build layouts without pressure, and learn zombie patterns safely. It’s a perfect way to refine strategies before stepping back into the real battle.

Standout features that define undead invasion

- Dynamic Wave Scaling – Each day intensifies the battlefield, introducing tougher enemies and raising the stakes.

- Layered Traps & Structures – Build complex defenses that push back—or obliterate—the horde.

- Diverse Weapon Arsenal – A growing collection of guns, tools, and explosives lets you craft your ideal survival loadout.

- Creative Playground Mode – Plan your ultimate defense without restrictions.

- Final Thoughts – A Brutal, Rewarding Fight for Survival

Undead Invasion is more than a side-scrolling action game; it’s a strategic battle for a home on the brink of collapse. Its combination of roguelike unpredictability, tactical defense building, and tense moment-to-moment combat creates a gameplay loop that keeps pulling you back in.