This is a list of aliens appearing in Across the Milky Way.
|Strong Shell||Fortan||Fort||A very durable armored alien that has a shell made out of enforced metal.|
|Waveye||Tritonis||Tsunamo||A white alien with the ability to control his falling speed.|
|Upper Cod||Treskat||Reka Fugu||A fish-like spined alien that swims very fast and for long.|
|Brainhacker||ZX-25||ZX||A very intelligent alien that can hack anything.|
|Spectre||Effis||Effigia||An alien magician with the power of a nether star.|
|Equine Librium||Caballibran||Caballibra||A horse-like flying alien with extreme sense of equilibrium.|
|Eekanurchin||Minegan||Mynfilt||An alien that can jump high and avoid obstacles with ease.|
|Snailephone||Genetically Enhanced Nautilus||N/A||A shelly alien with enhanced hearing and tentacles.|
|Seegle||Aquillean||Aquillea||An eagle-like alien flying at fast speeds and excellent vision.|
|Infobox||ZX-26||ZX||An information storage device with artificial intelligence.|
|Question||Segretosapien||Effigia||A spherical alien with powers of limited time speed manipulation.|
|Fish and Chips||Piscepotaten||Hautwasser||A fish-like alien that fires yellow projectiles.|
|Seagross||Algelidan||Parka||A green flora alien with regeneration and stretching ability.|
|Aquattacker||Esplosapien||Cleeph||A fat alien similar to a cyclops, and strong enough to create a wave.|
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