Codename LEVIATHAN

Codename: LEVIATHAN
A giant tentacled creature crash-lands in a meteor and starts hunting everything nearby. Soldiers, vehicles, helicopters, anything.
It doesn’t know where you are right away. It sniffs around and uses echolocation until it finds someone, and gunfire gives your position away. Once it’s on you, it swipes, slams, grabs vehicles to throw, fires a beam from its tentacles, rips spike lines through the ground, puts up tentacle walls to cut off your escape, and lifts whole squads into the air before throwing them. Hurt it enough and it gets angry and faster.
Variants: Juvenile, Alpha, and Titan (the really big one).
Game Master: spawn it, then give orders. Fire the beam, leap, charge, meteor storm, spike line, tentacle wall, telekinesis, guard an area, sleep and wake, enrage, and a few more. There’s also an arena zone to keep the fight in one place.
Playable: take control of it yourself.
LMB: attack
R: beam
F: throw boulder
X: spike ring
C: roar
V: leap
T: tail sweep
Z: spike line
B: telekinesis
N: tentacle wall
G: meteor storm
Q: shield charge
Works in singleplayer, multiplayer, and on dedicated servers.