SP0-T

A colourful, minimalist base-defence roguelite.

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PLANET SP0-T is under siege. The "0" is silent — it's a filing error that stuck after three administrations. The science budget was spent on snacks. And you're the only one left to hold the line.

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What It Is

SP0-T is an active-idle base defence game with a twist: most of the time you're the commander — building turrets, mining ore, fulfilling cargo contracts, and researching upgrades — but when things get spicy, you can jump into any fighter ship and take the fight directly to the enemy.

Think of it as "tower defence meets twin-stick combat", but stripped back to clean lines, bold colours, and a loop that lets you play how you want: hands-on micromanagement or hands-off economic strategy.

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The Core Loop

• Mine asteroids for ore with autonomous mining ships
• Build cargo ships and fulfil delivery contracts to earn credits
• Upgrade your defences — more turrets, stronger shields, wider scan range, bigger fleet
• Research slow but powerful unlocks: fighter squadrons, cloaking, heavy cannons, point-defence grids, minefields, emergency shield bursts
• Survive 60 waves of escalating enemies and a boss every 20 waves
• Win the run, earn a Medal, and unlock the next THREAT tier

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The Fighter

Your turrets do the heavy lifting, but sometimes you need to get your hands dirty.

• Press F to grab the nearest fighter, click one in the world, or hit the FLY button from your fleet panel
• W/S to throttle, mouse to aim
• Left-click for a rapid minigun (watch the heat — it overheats!)
• Right-click for heavy rockets
• Esc to release control and return to command view

The camera zooms in tight while you're flying, then pulls back when you return to the planet.

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THREAT Tiers

Beat the game to climb the ladder. Your highest beaten tier persists across sessions.

Tier	Name	Multiplier
I	Skirmish	×0.75
II	Assault	×1.0
III	Siege	×1.5
IV	Annihilation	×2.0

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Enemy Types

Eight distinct threats, each with its own colour and behaviour:

• Scout — fast, light, the bread-and-butter threat
• Tank — slow, chunky, soaks up turret fire
• Sniper — hangs back and fires from long range
• Swarmer — fragile but fast, comes in clusters
• Bomber — orbits, then dives at the planet and detonates
• Raider — teleports inside your scan ring for a surprise barrage
• Boss — massive, fires a devastating laser, spawns drone swarms past wave 40
• Drone — mini combatants spawned by the boss

Every enemy type explodes in its own colour.

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Features

• First-run tutorial — pulsing rings guide you through the UI. Skip anytime.
• Fleet & Cargo dropdowns — hover the top-bar stats to see your ships and active contracts at a glance
• ALERTS feed — a Sims-style log of meaningful events (ship destroyed, cargo lost, boss incoming, solar flare)
• Solar flares (from wave 22) — disable shield regen and halve turret damage for a few seconds
• Emergency Shields research — burst-recharge and shockwave when you take a big hit
• Scrap & refund — sell ships back for ore (and Medals for high-tier ships)
• Construction & Research queues — build multiple things at once, research runs independently
• Minimal audio by design — sparse SFX on meaningful moments only. No "pew pew" chaos. Looping ambient music underneath.

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Controls

Key	Action
B	Open BUILD menu
U	Open UPGRADES menu
T	Open RESEARCH menu
C	Open CONTRACTS menu
H	Open ALERTS history
F	Take control of nearest fighter
Esc	Release fighter / Toggle pause / Close menus
R	Restart run (or return to title after game over/win)
M	Toggle mute

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Roadmap

This is v0.3.1 — the core loop is solid, the boss fights back, and four difficulty tiers are in. Here's what's coming next:

• Endless Mode — survive past wave 60 with ever-escalating threats for high-score chasing.
• More Enemy Types — new behaviours and dangers to keep the late game fresh.
• Story Mode — a structured campaign that explores the weird little lore of PLANET SP0-T and why it's actually worth defending.

Steam is the eventual plan. For now, SP0-T is a complete, winnable, replayable roguelite. Enjoy!