Besiege (Alpha 0.20) - "The Leveller", Multipurpose Quadcopter Hybrid
Yep, helicopters still work after Besiege made the engine change to Unity 5. I built this a while ago. Get it from the Steam Workshop:
http://steamcommunity.com/sharedfiles/filedetails/?id=541530819
Yet another multipurpose, versatile, all-in-one vehicle to beat all current levels very easily without modifications (not hard) - The "Leveller" (I'm terrible with names) is a both an aircraft and a car.
In flight, it's both a bomber (drops remote grenades) and a sky crane - Stable and strong enough to lift even the very heavy boulders in the sandbox. As a car, it has drills, it's robust, it levels buildings and tears up NPCs.
Not a complete walkthrough 'cause that'd be even more boring. Instructions and controls are detailed on the Steam Workshop page.
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Besiege Statistics For DarkHoodness
At this time, DarkHoodness has 8,778 views for Besiege spread across 10 videos. The game makes up 1 hour of published video on his channel, roughly 13.74% of Besiege content that DarkHoodness has uploaded to YouTube.