ESP Ra.De. is a vertically scrolling arcade shoot ’em up developed by Cave in 1998. Breaking from traditional spaceship shooters, you take to the skies over futuristic Tokyo as one of three flying “ESPers” (psychics). The game delivers Cave’s signature manic bullet hell gameplay, blending highly detailed sprite work with an intense, screen-filling arsenal.
How to play
Standard browser arcade controls use Shift to insert a coin and Enter to start. Use the arrow keys to move. Z acts as your main rapid-fire attack, X fires a slower but powerful Pierce Shot, and C deploys your ESP Shield. Instead of traditional stock bombs, your shield is meter-based; you can tap it for a quick defensive burst or hold it down to absorb enemy fire.
Tips
- Use the Pierce Shot to take down larger enemies quickly, as its damage output is significantly higher than the main shot.
- Don’t hoard your shield meter. You can replenish it by collecting items during max power mode, so use quick shield taps to survive dense bullet patterns.

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