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Undead Invasion is tense side scrolling shooter where they merge roguelike replayability i tower defense planningThe game throws you into battle against increasingly powerful waves of zombies, where it's not enough to just shoot - you have to build defenses wisely, manage resources, choose upgrades, and adjust your tactics from day to day.
The action is set in dilapidated orphanage which serves as your command post. It's the "last line" of defense: the place where you make key decisions, upgrade your equipment, and try to withstand the increasingly brutal pressure of the undead. As the waves of attacks increase, so does the importance of well-arranged obstacles, the right use of resources, and the choice of upgrades that set the pace of the entire run.
Gameplay: defeat, survive and defend
The core gameplay is based on waves: each new “day” brings more powerful attacks and new threats. Between battles, you must decide whether to invest in weapon, reinforcements, repairs or construction of structures. It's this balance—attack, defense, repair, and adaptation—that makes Undead Invasion a great choice for players who like strategy as much as action.
- Wave-based survival – constantly increasing pressure and escalation of weight from wave to wave.
- Resources and purchasing – earnings during combat and investment in equipment and defense.
- Barricades and structures – you build layers of defense and adjust your schedule under pressure.
- Random upgrades – each run can turn out different, so the game has high replay value.
- Different types of zombies – as you progress, more difficult enemies appear that require new tactics.
Game modes
Undead Invasion offers two key types of experience: classic survival combat and a tactical testing mode. This means that you can play "seriously" and chase the longest run, or experiment with equipment and defense without stress.
- Defense – the main gameplay with waves, resources, construction and increasing difficulty.
- Playground – a creative way of working in which you use unlocked things more freely and try out traps, weapons and defense layouts without the constant risk of "game over".
Weapons, traps and tactics
Success depends on how smartly you combine weapons i defensive layers. The more you progress, the more important it becomes to increase firepower, but also to place obstacles that slow down, separate or “break” waves of zombies before they reach key points. The best strategies usually have a combination: strong line of fire + well-placed structures + the right upgrade at the right time.
- Invest in upgrades that increase the pace of wave clearing.
- Build your defense in layers: slowdown + damage + safe retreat space.
- Adjust your build to the type of zombies that appear in later waves.
control
- Click – attack
- Q – weapon change
- E – knife (melee)
- Numpad 1 – bomb
- Fence icon – construction of structures
- R – refilling
- Space – kick
Technical details
- Genre: side-scrolling shooting, roguelike, tower defense / survival
- Technology: HTML5
- Platform: browser (desktop, tablet, mobile)
Why play Undead Invasion?
If you are looking for zombie survival game which is both action and strategy, Undead Invasion offers a great balance: fast-paced skirmishes, increasing difficulty, random upgrades and tactical defense placement. Whether you want to pick up and play rounds or seriously optimize your build and defense layout, the game offers enough depth to keep you engaged for a long time, and is simple enough to get you into the action right away.
