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The battle looks and moves better: a new main-weapon bolt and hit spark, redesigned turret shots that turn onto their target before firing, clearer feedback when your hull is hit, and smoother motion.
Sci-fi strategy tower defense game. Place guns, pick cards and defend your base.
SF Defence is a sci-fi tower defense game in portrait mode. Place your guns, pick your cards, and hold the last line of a space station under siege. You are the commander. Enemy waves, elites, bosses and meteors come at your base, and every stage asks the same question a different way: which turret, which card, which upgrade. This is a single-player strategy tower defense game built to be played with one hand. Clear a stage in a few minutes, keep everything you unlocked, and carry it into the next fight. [COMBAT] · Auto-fire, piercing lasers, indirect-fire mortars and disruptor fields. Every weapon has a job, and every weapon has its own upgrade path. · Pick your line of defence: rail, mortar, burst or field. · Choose a battle card mid-fight to reshape your damage and your tactics on the spot. · Elites, bosses and meteors. Even a familiar enemy fights differently each time it appears. · Break the wave before it reaches the station. Lose the station and the stage is over. [TOWERS AND WEAPONS] · Rail guns, burst cannons, mortar towers and field generators, each with its own range, cooldown and role. · Place every tower on the line of defence and decide what it should hit first. · Improve a turret with cards and upgrades so the same gun carries you deeper into the run. · Mix direct damage, splash damage and slow effects to survive a heavier wave. [BATTLE CARDS] · Every level-up deals you a hand of battle cards. Pick one, and the fight changes. · Cards boost your main weapon and your towers mid-fight. More shots, more piercing, more range. · A card battle layer sits on top of a classic tower defense core. [ENEMIES AND BOSSES] · Waves of alien fighters, armoured elites and heavy bosses push toward the station. · Meteors fall mid-stage and force you to move your fire. · No two waves line up the same way, so you keep re-reading the field. [STAGES] · Stage after stage, each one a short tower defense puzzle with its own pressure. · First clear unlocks the next stage, and every clear feeds your research. · Win, lose or leave early. The results screen shows what happened, and you can retry. [RESEARCH] · Build a research tree across your weapons and equipment. · Every node you unlock changes how a fight plays, not just how big the numbers are. · Upgrade a turret or unlock a new one, and the way you defend the base changes with it. [COLLECTION] · Every tower defense run fills your bestiary with the enemies you meet. · Gather characters and gear from the collection and the shop. · See what you have unlocked and what is still missing. [PATROL] · Send a patrol out and keep fighting other stages while it runs. · Come back for the daily reward. [ACCOUNT] · Progress is saved on the server. · Link a Google account to continue on another device. [HOW IT PLAYS] · A tower defence game you can hold in one hand, in portrait. · Short stages: a fight is minutes, not hours. · Permanent upgrades, so a hard stage still moves you forward. · The same stage does not play the same way twice, because elites, bosses and meteors keep it moving. [TIPS FOR A STRONGER RUN] · Watch the squad bar and pull your guns back before the line breaks. · Save your best cards for the elite and boss waves. · Upgrade the weapon you already use before unlocking the next one. [WHY IT FEELS DIFFERENT] · A defense game where the decisions happen during the fight, not only before it. · Fast, readable battles made for short daily sessions. · One-handed portrait play, from the first wave to the boss. [LANGUAGES] · Korean, English, Japanese, Simplified Chinese, Traditional Chinese, Spanish, German, French and Portuguese. ※ Contains in-app purchases (in-app items, Premium Pass, diamonds, gacha) and ad-rewarded features. The type and odds of randomized items are disclosed in an in-game information screen. ※ Purchases and subscriptions are processed through Google Play.