A typical "Lasergun" sound effect. Basically a sharp envelope applied to the pitch modulation. It was made in Native Intruments ...
Irregularly sequence of elements of digital oscillator sounds spread over low to high register using reverb.
Experimental QM synthesis resulting sound. Details for the synthesis method can be found at http://www.synthofmine.com/general-thoughts/qm-synthesis/
Strange gurgling modulation from a Nord Modular synth.