Undead Invasion – Build, React, and Don’t Let the Line Break
Undead Invasion is a side-scrolling survival shooter with strong tower-defense elements, playable directly in the browser.. Each session is reviewed for playability, and performance is monitored to keep controls responsive during heavy waves.
This is a side-scrolling defense shooter. You don’t explore. You hold position, build structures, upgrade weapons, and survive as long as your setup allows.
The Core Loop
Every run follows a clear rhythm: fight → earn → upgrade → repeat.
Enemies arrive in waves from the side of the screen. When a wave ends, you use the resources you earned to strengthen your position. That might mean:
buying a new weapon
repairing or building barricades
unlocking upgrades
Once the next wave starts, there is no pause. If your setup is weak, you will feel it immediately.
Controls at a Glance
Click – Shoot
Q – Switch weapon
E – Knife attack
Numpad 1 – Throw bomb
Fence Icon – Build structures
R – Reload
Spacebar – Kick
The controls are instant. There is no delay, so hesitation costs you space.
How to Avoid Getting Overrun
Build before you need to. Waiting until enemies reach you is too late.
Reload during calm moments. Empty magazines in pressure waves are dangerous.
Use bombs to reset space. Don’t waste them on single enemies.
Upgrade steadily. Big jumps are riskier than consistent improvement.
What Makes Each Run Different
Randomized upgrades change your options
Weapon availability shifts your strategy
Enemy composition forces adaptation
Resource flow affects how aggressive you can be
No two runs play exactly the same, even with similar choices.
How It Feels to Play
Undead Invasion starts controlled, almost relaxed. Then the flow tightens. Enemies stack, your screen fills, and decisions have to be fast. When defenses fail, it’s sudden. One gap is enough.
The tension comes from knowing you are always one mistake away from collapse. That pressure keeps you focused. Short sessions work well, but longer runs become intense as the waves grow heavier.
Games With a Similar Feel
Tiny Arena – A compact action game built around fast reactions and close combat.
Poxel.io – A pixel-style shooter focused on movement, aim, and positioning.
Undead Invasion is monitored for changes and updated regularly to maintain stable browser gameplay. If you enjoy defending ground, adapting under pressure, and building your way through escalating threats, this game fits that style well.
