Other of this games i find interesting,but i cant get far...
Xain?Zein?Sein? this people was program a lot of nices games.
...
https://www.youtube.com/watch?v=A_y7rAkNKWs
In the title screen Up, Button 1, Select, Button 2, Down and Start for see all Visuals.
for Chosse Weapons:
Hold Button II then press Run for pause ,after paused, press Select, I, II, I & Run again.
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https://www.youtube.com/watch?v=Xo0iK17BPmI