I wrote this in 1986 while working as a HW designer at a modem company by day and teaching myself Borland Pascal at night. As for no AI, did I mention this was 1986? Just look at those stunning 4 color CGA graphics! If anything, I was focused on the physics and math behind this game:
1) the effects of gravity, wind, and friction on a projectile
2) modeling terrains using random square waves passed through a digital low pass filter
And you're disappointed that my free game lacked AI? Go back to the Reagan years and get real.
Feel free to drop by my website, Pi-Plates.com and check out our wares. These products rely on C, ASM, and Pascal code. Still no AI though.