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Achievements
Alien Hallway 2Sync your progress to see which achievements you've unlocked.
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Kill 1000 aliens.
Kill 1000 aliens.
86.3% global
Kill 50000 aliens.
Kill 50000 aliens.
48.5% global
Kill 500000 aliens.
Kill 500000 aliens.
15.6% global
Collect 5000 crystals.
Collect 5000 crystals.
81.2% global
Collect 50000 crystals.
Collect 50000 crystals.
57.0% global
Collect 500000 crystals.
Collect 500000 crystals.
23.2% global
Kill 1000 aliens by barrel explode.
Kill 1000 aliens by barrel explode.
59.8% global
Complite 10 additional missions.
Complite 10 additional missions.
57.8% global
Complite 50 additional missions.
Complite 50 additional missions.
21.6% global
Earn 25 stars.
Earn 25 stars.
43.7% global
Earn 50 stars.
Earn 50 stars.
25.3% global
Collect 30000 coins.
Collect 30000 coins.
60.9% global
Collect 100000 coins.
Collect 100000 coins.
28.7% global
Collect 3500000 coins.
Collect 3500000 coins.
15.1% global
Kill 20 bosses on easy level.
Kill 20 bosses on easy level.
41.6% global
Kill 20 bosses on hard level.
Kill 20 bosses on hard level.
32.7% global
Kill boss Kraken on hard level.
Kill boss Kraken on hard level.
16.7% global
Upgrade any soldiers 10 times
Upgrade any soldiers 10 times
45.3% global
Upgrade soldier to maximum.
Upgrade soldier to maximum.
35.5% global
Upgrade all soldiers to maximum.
Upgrade all soldiers to maximum.
15.3% global
Destroy 500 small boxes
Destroy 500 small boxes
50.0% global
Destroy 1000 big boxes.
Destroy 1000 big boxes.
29.5% global
