
Hold the sun in your hand in this fast-paced arcade game. Play as a magnifying glass and cook swarms of bugs before time runs out. Chain ignitions, defeat tier bosses, and spend your Sparks on upgrades tree to unlock explosive criticals, burn trails, and smoldering spore clouds.
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Grab the sun and burn the swarm. Fire Bug is a fast-paced 2D arcade game where you control the focal point of a magnifying glass. Track moving targets, manage heat decay, and chain rapid ignitions to build massive combo multipliers before the clock runs out.

The mechanics are simple but demand precision. The bright focal spot of your lens adds heat to whatever sits directly under it. If your beam drifts off a target, it rapidly cools down.
Panic Acceleration: Bugs don't just sit there. As they heat up, they panic, accelerating and moving erratically to escape the beam.
Combo Multiplier: Every ignition resets your cooldown bar and bumps your multiplier. Let the bar empty, and your chain drops back to 1x.
Tier Bosses: Score points to fill the round meter. Max it out to spawn scaled-up, heavy-hitting bosses like the Bombardier and the Shield Bug to permanently unlock new enemy tiers.

Every ignition earns you Sparks, which you spend between rounds on a massive, procedural upgrade tree. You can push raw stats like Lens Power and Focal Radius, or bolt completely new systemic mechanics onto your beam.
Criticals & Thermal Shock: Fast ignitions shatter bugs for bonus payouts, accompanied by a bright cyan flash and massive screen shake.
Combustion & Refraction: Upgrades allow exploding bugs to trigger AoE heat blasts, or fire stray heat rays to the nearest un-ignited target.
Environmental Hazards: Dragging the beam can leave a lingering burn trail, or cause bugs to release smoldering spore clouds that slow heat decay for anything trapped inside.
Field Power-Ups: Collect drops mid-round to trigger global Slow-Mo, overcharge your beam, or instantly cook the entire screen with a Solar Flare.

Arcade Mode: The core campaign. Progress through increasingly difficult enemy tiers, defeat bosses, and build your loadout over multiple rounds.
Hard Mode: Unlocked after beating the campaign. Test your reflexes against bugs with 1.5x health and speed, randomized erratic movement, a faster round timer, and halved Spark payouts.
Zen Mode: A pure sandbox. Every upgrade on the skill tree is temporarily maxed out so you can test synergies and burn swarms with a fully powered lens. No progress is saved or overwritten in this mode.