[[caption-width-right:224:The titular Humongous Mecha.]]
''Dangar - UFO Robo'' is a VerticalScrollingShooter released for arcades by Nichibutsu in 1986.

Unlike many other {{Shoot Em Up}}s of its time, the game has you pilot a HumongousMecha that fires out {{Rocket Punch}}es for its weapon. Along the way, you can also pick up a gun for your mecha, and eventually, larger modules that boost your firepower even further. Taking damage will downgrade your mecha's form (or lose its upgrade module if it has one) to a standard ship, which will be destroyed on the next hit, although you can upgrade your ship back up to mecha form (it takes one powerup to upgrade to a larger, slightly more powerful ship, and one more to upgrade back to mecha form).

If you are in upgraded ship form or higher, you can split your mecha/ship up (up to 3 times, unless you get an upgrade) into separate parts. In ship or mecha form, this reduces your hitbox and turns your non-main parts into {{Attack Drone}}s. In upgraded mecha form, this grants an alternate fire form.

''Dangar'' is a pretty neat shooter, especially for its time, if you can get past some of its quirks as an 80's shooter ({{Checkpoint}}s instead of respawning where you died, the fact that [[UnstableEquilibrium you need to stay alive long enough to get the upgrades]], lack of [[BulletHell bullets]] in contrast to more modern shmups).
!!''Dangar - UFO Robo'' contains examples of the following:
* CombiningMecha: Three jets forming the robot.
* EldritchLocation[=/=]EvilIsVisceral: At set points during the stages, you'll find black portals that take you to one of many alternate dimensions, where you must traverse various alien horrors and fight a boss at the end to escape.
* MechaExpansionPack: In game power ups you receive a gun and a giant UFO equipped with [[FrickinLaserBeams Laser Beams]], [[PlayingWithFire Fire Shots]] or SpreadShot.
* InvincibleMinorMinion: The flashing square blocks will absorb your shots, and can't be destroyed.
* NintendoHard
* ShoutOut: The title recalls [[Anime/UFORoboGrendizer another UFO Robo]].
* RocketPunch: Your mecha form's main weapon.
* UnstableEquilibrium: Avoid getting hit and pick up the upgrades along the way and you'll have a near-unstoppable mecha that can chew through enemies with trivial effort. If you get hit and die a lot, don't expect to see any of the mecha's forms.