IRON TIDE
You command a battleship on an endless ocean. Two allied ships sail with you.
Sink every red hull. Keep the blue ones afloat. Survive 8 waves.
Waves 4-8 put nothing on the water — the enemy comes at you out of the sky.
If your ship goes down, your flag transfers to an allied hull and you fight on from her bridge — so your allies are your spare lives. Lose them all and the next hit is your last.
Put the crosshair near an enemy — it turns red and locks. A locked shot always connects.
On phone: left thumb steers, right thumb looks, big red button fires.