Raiden II (Harder, Raiden DX Hardware) is a rare arcade variant of Seibu Kaihatsu’s acclaimed 1993 vertical shoot ’em up, running on the upgraded board of its successor. It preserves the classic alien-fighting action, iconic weapon systemโincluding the famous bending purple plasma beamโand detailed sprite work, but increases the challenge with faster bullet speeds and more aggressive enemy patterns.
How to Play
Pilot the Fighting Thunder fighter through waves of enemy forces, dodging intense bullet fire and upgrading your weapons to survive.
- Move: Arrow Keys
- Shoot: Z
- Bomb: X
- Insert Coin / Start: Shift / Enter
Tips
- The purple Plasma Beam is excellent for clearing weak enemies as it locks onto targets, but it requires a brief moment to latch on.
- Use bombs defensively when trapped by fast bullet spreads. The classic thermonuclear bomb provides a wide area of invincibility to save your life.
- Hovering over weapon pickups allows them to cycle colours (red, blue, purple) so you can carefully choose which weapon to equip or upgrade.

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