Alien Hallway Achievements
App ID | 98900 |
App Type | GAME |
Developers | Sigma Team Inc. |
Publishers | Sigma Team Inc. |
Categories | Single-player, Steam Achievements |
Genres | Casual, Indie, Strategy, Action |
Release Date | 19 Aug, 2011 |
Platforms | Windows |
Supported Languages | English |
Alien Hallway Steam Achievements
Alien Hallway offers players a rich tapestry of challenges, with a total of 20 achievements to unlock. These achievements span a variety of in-game activities, encouraging exploration, skill development, and strategic mastery. Unlocking these achievements provides not only a rewarding experience but also a deeper engagement with the game's content.

Complete all game levels

Kill 100 aliens

Kill 1000 aliens

Liberate the first planet

Call for 50 friendly units

Call for 20 friendly units during the battle

Upgrade one unit till 10th level

Use airstrike 100 times

Throw 300 grenades

Get 5 stars for all game levels

Complete any level of the last planet without loss of friendly units

Upgrade the base till 5th level

Upgrade airstrike till 7th level

Call for 5 Heavy laser gunners during the battle

Call for 20 Flamethrowers during the battle

Accumulate 1000 energy units during the battle (can't be achieved on "Resources refill" and "Final Step" levels)

Win the battle with lower than 50% health level of your base

Upgrade all friendly units till 4th level

Complete the game on extreme level of difficulty

Have 10 Snipers simultaneously present during the battle