SPIRE: Idle Tower Defense icon

SPIRE: Idle Tower Defense

SB Mobile apps
⬇ 10+ downloads
Est. actual: 32
Style: Strategy
Free
Released: Sep 7, 2026
IAP: $0.99 - $9.99 per item
Contains ads
Rated: Everyone

Signals

2 this week · 2 positive All of this week's signals →
  • 📈Installs no measured change since Oct 4 (1 days)
  • 🛠Updates actively updated · updated 2 days ago
Installs since launch
0 16 32 32 Sep 7, 2026 today
0 installs since Oct 4
Update history
0.5.1 Oct 3, 2026
What&#39;s new in 0.5:<br>• Defense now matters on every tier – no more one-shot deaths<br>• New game over screen: why you lost, what to upgrade, and full run stats<br>• Every tier has its own boss<br>• Multishot adds barrels to your cannon; tower armour from Tier 6<br>• Cleaner late game: fewer but tougher enemies, less number clutter<br>• SPIRE Forever: pay once – no ads forever and premium towe
Only the current version so far — new entries appear as the game ships updates.
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SPIRE is an idle tower defense game: one tower, endless waves from every side. • Upgrade damage, attack speed, crit, health and more – and watch your cannon change as it grows • 12 tiers, each with a new enemy: shields, splitters, EMP pulses, mirrors, healers and more • Workshop and Lab: permanent upgrades that make every run stronger • Collect and star up cards, unlock 9 ultimate weapons • Perks, milestones, daily missions and boss waves • Earn coins offline and play at your own pace Simple to start, deep to master. How far can your Spire go?