Frontier Siege: Tower Defense

Frontier Siege: Tower Defense

Hold the line. Fund the war.

0 ratings
Free

Rating summary

Details

  • Released
  • Updated
  • August 21, 2026
  • October 4, 2026
Frontier Siege: Tower Defense screenshot #1 for iPhone
Frontier Siege: Tower Defense screenshot #2 for iPhone
Frontier Siege: Tower Defense screenshot #3 for iPhone
Frontier Siege: Tower Defense screenshot #4 for iPhone
Frontier Siege: Tower Defense screenshot #5 for iPhone
Frontier Siege: Tower Defense screenshot #6 for iPhone
iphone
ipad
🖼️Get Icon
Icons↘︎

About

The frontier was never a border. It was a supply line. Ten mining colonies feed everything the inner worlds burn. When one signal from nowhere wakes something ancient under the rock, no fleet is coming — only Protocol Siege: hold each site, and make it pay for the next one. FIGHT FOR GROUND THAT PAYS Every territory you hold keeps producing after the battle ends. Perform well and that site funds the starting budget of your next mission. Lose it and the line behind it starves. Go back and replay old ground to raise its yield — your campaign map is a balance sheet. BUILD YOUR LINE Nine towers, from pulse cannons and missile batteries to railguns, cryo emitters and flak spines. Commit to branching upgrade paths, sell and re-site under pressure, and answer air, armour, swarms and shields with the right mix. RUN AN ECONOMY UNDER FIRE Resource extractors, energy plants, salvage bays and trade uplinks earn while they survive — and the Swarm goes for them first. Defend the guns or defend the income; you will rarely afford both. PUSH YOUR LUCK Clear the required waves and you can bank what you have earned, or call bonus waves for a bigger payout — knowing a defeat now costs you everything you did not secure. COMMAND THE CORDON Four commanders, each with a passive doctrine and a battlefield ability: emergency repairs, orbital strikes, stasis fields, emergency funding. Spend permanent progression across four resources between missions. A CAMPAIGN WITH A COST Ten hand-built territories, from a dust-choked ore road to a hive warren and the breach at the end of the map, told through a voiced campaign that asks an uncomfortable question: what exactly has all this production been counting? FEATURES • Ten campaign territories, three difficulty tiers • Nine towers with branching upgrades, selling and re-siting • Six economy buildings that earn while they survive • Bonus waves and the extract-or-continue gamble • Four commanders with passive doctrines and active abilities • Permanent progression across four resources • Voiced story cutscenes with captions • Plays offline
Show more

What's New in Frontier Siege

1.3

October 4, 2026

The biggest update yet. FRONTIER THREATS • Once you hold four territories, the Swarm starts ambushing the ones behind your front. An ambushed territory stops paying and its neighbours run short on supply until you RECLAIM it. Pause new ambushes any time in Settings › Gameplay. • Reclaim missions: break the occupation on crusted ground, raise Cleansers to burn plots clean, and keep them safe from Siege Beasts. Raided, Ravaged or Condemned — the harder the ambush, the richer the spoils. • Infestation: veteran commanders may find a territory's own towers turned against them. Reclaim it with a convoy of up to six towers marching down the lane. • Territories remember their defences — towers that survive an ambush wait on their plots when you return. COMBAT • Overload: call the next wave whenever you like for bonus Credits — but every wave you stack arrives tougher. • Every weapon flies true to form: rockets curve and re-target, the railgun strikes almost instantly, the laser charges up, the EMP pulse ripples out. • Tap any enemy to follow its health and status. Tap and hold a tower, building or enemy for its full dossier. • Bonus waves are a real gamble: fall during one and that run's bonus waves and base-integrity bonus are forfeit. • Combat weather: every territory has its own sky. Purely visual — adjust it in Settings. PROGRESSION • The Doctrine tree: Command XP raises a permanent Command Rank that opens a 26-node tree. Your existing upgrades become its roots; reset any branch for free between missions. • The Archive: a codex of every enemy you meet, plus reference pages for every tower and building. • 28 Medals, with credit for what you've already achieved. The Records tab shows your best on every territory. • Tap any upgrade, commander or ability on the Command screen to see exactly what it does. GAME CENTER (OPTIONAL) • Leaderboards and achievements on iPhone and iPad. After each territory, see how far you got compared with other commanders — or against your own best when offline. Signing in is never required; the game plays fully offline. • We've updated our privacy policy to explain what Game Center shares with Apple. We still collect nothing ourselves. POLISH & FIXES • The results screen now fills iPhone and iPad screens with larger, easier-to-read text. • A plot freed by a breach can be built on again; difficulty stars show on the war map; upgraded Laser Beam towers show their lens rings; saves now recover automatically from a damaged file; leaving mid-wave pauses the battle.

More

Developer apps