There's even a gun that shoots tentacles!

Meanwhile, grenade launchers can shoot rounds that resemble Mario's fireball, cluster bouncing grenades, and even mice and pigs.

Abnormal Ammo: Uncommon and rarer guns can shoot bullets with special effects, such as ricocheting shots, piercing shots, bullets that split into two shortly after leaving the barrel, and (for legendary guns only) Sticky Bomb bullets that attach to solid blocks and explode when an enemy touches them.

There's one guaranteed on every starting planet. They're filled with aliens not native to the planet's surface and often filled with plenty of useful items stored away.

Abandoned Mine: A possible randomly generated area on planets.

It seems sometimes the Apex Miniknog take their experiments too far.

Abandoned Laboratory: A possible randomly generated area on planets.The game receives semi-regular content updates and bugfixes, with the 1.4 Bounty Hunter update as the final update as of June 2019. Beta was released on December 4th, 2013 for all who preordered the game, and the final game was released on July 22nd, 2016.

How to get mechs in starbound