Espgaluda is a vertically scrolling shoot 'em up arcade game by Cave known for its extremely high difficulty and dense bullet patterns. The V100 version likely denotes a specific revision or release. Cave is famed for their challenging and rewarding arcade shooters, and Espgaluda is a prime example.  Gameplay is focused on precise movement, strategic weapon usage, and skillful avoidance of the barrage of projectiles.

Espgaluda (V100, Japan)

ESP Ra.De. (Japan, ver. 98/04/14)