Prism BattalionCharging the prism launcher…
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Prism Battalion

The battery fires on its own. Your job is to choose which of the three lanes needs it now: an approaching monster, a bomb, or a power core that will strengthen your next shots.

Three-lane defenseLane switchingAutomatic fireWave strategy
GameplayThree-Lane Automatic Core Defense
GenreArcade · Strategy · Defense · Animal
DifficultyEasy to Challenging
Estimated Play Time2-8 minutes per stage

World and Mission

Thirty defenses protect a prism citadel whose three approaches are attacked at once. The batteries fire automatically, but only the selected lane receives focused fire, so the commander decides which threat must disappear first.

Every fifth defense ends with a chapter Boss. Earlier waves teach the chapter rule before that Boss combines it with denser formations.

How the Systems Work

Tap a lane, press Left or Right, or use A and D to move the selected battery. The chosen lane glows and receives the current attack value automatically.

Shoot a glowing power core to store energy in it, then meet it in the same lane at the bottom to gain attack for this run. A shielded core needs its shield broken first; once broken, it comes toward the battery automatically.

A bomb that reaches the bottom deals its remaining health as damage, even if you switch away. Monsters in another lane still damage the crystal. A surviving Boss can end the run, so changing lanes is not a substitute for finishing a threat.

Shards earned from completed defenses improve firing rate, attack power, or core armor in the laboratory. These upgrades support play but do not replace lane decisions.

At 100% charge, tap Overdrive or press Space. For 3.6 seconds, the battery fires faster and hits harder. Use that window on a dangerous lane; the crystal is still vulnerable.

How to Play

  1. Choose an unlocked defense from the Stage rail.
  2. Read the three lanes and select the closest or most dangerous active formation.
  3. Switch briefly to a power core or bomb when its timing is more urgent than ordinary damage.
  4. Clear every wave and defeat the chapter Boss before the crystal core reaches zero.

Strategy Tips

  • Prioritize distance and special behavior, not only remaining health.
  • If a bomb is close to the bottom, shoot it before chasing a core. Even reducing its health helps reduce the damage if it gets through. On a safer wave, spend more shots charging a power core before collecting it.

Campaign and Difficulty Growth

There are 30 missions in six chapters of five. Shielded cores begin in chapter 2; moving cores appear in chapters 3 and 6, bombs from chapter 4, and champions from chapter 5. Every fifth mission has a Boss. Core health reaching zero or time running out ends the attempt.

Developer Design Note

The selected lane, incoming distance, special target state, core health, and attack value remain visible together. Switching never moves the pointer target or changes the meaning of the three lanes at another screen size. The complete interface uses one centered logical layout with a 920-pixel maximum. Phone, landscape, and desktop views scale the same controls, hit areas, artwork, and game coordinates together instead of stretching individual pieces. Touch, mouse, and keyboard therefore act on the same legal state. The Main poster and Start Game action remain separate from Stage management, while Stage selection, Battle, dialogs, and Result keep their own bounded content and return path.

Player and Save Information

No account, purchase, or public leaderboard is required. Unlocks, stars, shards, and laboratory upgrades are saved locally in this browser. You can play without creating an account. Progress is saved in local browser storage on the current browser profile, not in an online account or cross-device database. Clearing site data, using private browsing, changing browsers, or moving to another device can create a separate save or remove the existing one. Language, sound, and reduced-motion preferences follow the shared WeightPlay controls when the browser permits storage. No guide result is a medical, school, or professional assessment.

FAQ

Does the battery fire by itself?
Yes. You choose the lane; the selected battery attacks automatically.
Why should I collect a power core?
Shoot a glowing power core to store energy in it, then meet it in the same lane at the bottom to gain attack for this run. A shielded core needs its shield broken first; once broken, it comes toward the battery automatically.
What damages the crystal core?
A bomb that reaches the bottom deals its remaining health as damage, even if you switch away. Monsters in another lane still damage the crystal. A surviving Boss can end the run, so changing lanes is not a substitute for finishing a threat.
How many defenses are included?
There are 30 authored defenses with a Boss at the end of each five-stage chapter.
Which controls and screen sizes are supported?
The same rules support touch, mouse, and keyboard where the game uses those inputs. The interface scales as one logical layout across the required phone, landscape, and desktop viewports.
Can progress move automatically to another device?
No. This game currently saves to local browser storage only, so another browser profile or device begins with its own separate local progress unless a future account system is added.
Can I avoid damage just by switching lanes?
No. Bombs deal their remaining health from any lane, and monsters that get through still hurt the crystal. Overdrive boosts firepower; it does not make you invincible.

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