Air Strike and Berserker Mode display cleanly with up to two slots with count bubbles . High score panel is now scrollable. Bug fixes and performance improvements.

Boss Bomber arrives — a massive aircraft with escort fighters that takes two hits to destroy. It drops a devastating bomb that only Air Strike or Berserker Mode can stop. Takes 5 health if it hits. Difficulty now scales indefinitely — no more plateau. Higher sorties mean faster planes, more aircraft, and shorter gaps. Good luck. Pause button added. How To Play guide added. Score now saves if you quit mid-game. Mute fix. Performance improvements.

Multi-touch fire is here — press all four turrets simultaneously for maximum firepower. Survive to Sortie 41 and unlock Berserker Mode: tap the BM button and watch lightning bolts strike every enemy on screen. Global leaderboard viewer now lets you see the top 25 defenders worldwide right from the start screen or game over screen. Kill streaks now carry across sorties. Bug fixes and performance improvements. Hold the line.

Version 1.1 Global leaderboards are live — see where you rank against defenders worldwide right from the start screen. Earn 8 achievements as you fight, including hidden ones for the truly elite. Every game ends with a full mission debrief showing your score, kills, intercepted bombs, and personal bests. iPhone players can now enable haptic feedback for an extra layer of immersion. Bug fixes and performance improvements. Hold the line.