Here is the full list of all 167 Endless Treasure Hunt achievements.
Kill 1400 enemies.
Shoot 4000 missiles.
Shoot 2000 bullets.
Buy the submarine b02.
Kill 1300 enemies.
Buy the skill Missiles Accuracy.
Reach 900 meters in any modes.
Kill 1200 enemies.
Shoot 3600 missiles.
Kill 1100 enemies.
Kill 1000 enemies.
Buy the weapon Support Drone.
Shoot 3200 missiles.
Kill 900 enemies.
Buy the weapon Deadly Laser.
Shoot 2800 missiles.
Kill 800 enemies.
Buy the skill More Coins.
Kill 700 enemies.
Reach 800 meters in any modes.
Shoot 2400 missiles.
Kill 600 enemies.
Buy the skill Attract Coins.
Kill 500 enemies.
Shoot 2000 missiles.
Kill 400 enemies.
Buy the skill Propeller.
Shoot 1600 missiles.
Buy the weapon Missile Barrage.
Reach 700 meters in any modes.
Kill 300 enemies.
Reach 600 meters in any modes.
Shoot 1200 missiles.
Kill 200 enemies.
Shoot 800 missiles.
Buy the skill Speed.
Buy the skill Missiles Speed.
Reach 500 meters in any modes.
Reach 400 meters in any modes.
Kill 100 enemies.
Reach 300 meters in any modes.
Shoot 400 missiles.
Reach 200 meters in any modes.
Reach 100 meters in any modes.
Reach 1000 meters in any modes.
Reach 1100 meters in any modes.
Reach 1200 meters in any modes.
Reach 1300 meters in any modes.
Reach 1400 meters in any modes.
Reach 1500 meters in any modes.
Reach 1600 meters in any modes.
Reach 1700 meters in any modes.
Reach 1800 meters in any modes.
Reach 1900 meters in any modes.
Reach 2000 meters in any modes.
Kill 1500 enemies.
Kill 1600 enemies.
Kill 1700 enemies.
Kill 1800 enemies.
Kill 1900 enemies.
Kill 2000 enemies.
Shoot 4400 missiles.
Shoot 4800 missiles.
Shoot 5200 missiles.
Shoot 5400 missiles.
Shoot 6000 missiles.
Shoot 6400 missiles.
Shoot 6800 missiles.
Shoot 7200 missiles.
Shoot 7600 missiles.
Shoot 8000 missiles.
Shoot 4000 bullets.
Shoot 6000 bullets.
Shoot 8000 bullets.
Shoot 10000 bullets.
Shoot 12000 bullets.
Shoot 14000 bullets.
Shoot 16000 bullets.
Shoot 18000 bullets.
Shoot 20000 bullets.
Shoot 22000 bullets.
Shoot 24000 bullets.
Shoot 26000 bullets.
Shoot 28000 bullets.
Shoot 30000 bullets.
Buy the submarine b03.
Buy the submarine h245.
Buy the submarine r45.
Buy the submarine dx35.
Buy the submarine h63.
Buy the submarine h8.
Buy the warship Tedworth.
Buy the warship Olympus.
Buy the warship Blaze.
Buy the weapon Plasma Wave.
Buy the weapon Airstrike.
Buy the weapon Machinegun Rubber Dinghy.
Buy the weapon Missile Rubber Dinghy.
Buy the weapon Homing Missile.
Buy the weapon Massive Shockwave.
Buy the weapon Death from Above.
Buy the skill Bullet Speed.
Buy the skill Missiles Damage.
Buy the skill Helicopters Speed.
Kill 2100 enemies.
Kill 2200 enemies.
Kill 2300 enemies.
Kill 2400 enemies.
Kill 2500 enemies.
Kill 2600 enemies.
Kill 2700 enemies.
Kill 2800 enemies.
Kill 2900 enemies.
Kill 3000 enemies.
Kill 3100 enemies.
Kill 3200 enemies.
Kill 3300 enemies.
Kill 3400 enemies.
Kill 3500 enemies.
Kill 3600 enemies.
Kill 3700 enemies.
Kill 3800 enemies.
Kill 3900 enemies.
Kill 4000 enemies.
Shoot 32000 bullets.
Shoot 34000 bullets.
Shoot 36000 bullets.
Shoot 38000 bullets.
Shoot 40000 bullets.
Shoot 42000 bullets.
Shoot 44000 bullets.
Shoot 46000 bullets.
Shoot 48000 bullets.
Shoot 50000 bullets.
Kill 4100 enemies.
Kill 4200 enemies.
Kill 4300 enemies.
Kill 4400 enemies.
Kill 4500 enemies.
Kill 4600 enemies.
Kill 4700 enemies.
Kill 4800 enemies.
Kill 4900 enemies.
Kill 5000 enemies.
Kill 5100 enemies.
Kill 5200 enemies.
Kill 5300 enemies.
Kill 5400 enemies.
Kill 5500 enemies.
Kill 5600 enemies.
Kill 5700 enemies.
Kill 5800 enemies.
Kill 5900 enemies.
Kill 6000 enemies.
Kill 6100 enemies.
Kill 6200 enemies.
Kill 6300 enemies.
Kill 6400 enemies.
Kill 6500 enemies.
Kill 6600 enemies.
Kill 6700 enemies.
Kill 6800 enemies.
Kill 6900 enemies.
Kill 7000 enemies.