I recently found the games that I had back in the day on some demo disk: PLBM Pong and Gravity Well (iirc—if it's not Lunar Lander instead). Both are obviously not too original, but Pong had a bunch of parameters, so you can have minuscule pads, and start very slowly but with gradual acceleration and go until you really aren't fast enough. And the other is just a good implementation of the rocket-landing game, requiring tight control and fuel management (also somehow had a very similar one for Palm).

They are playable in Dosbox on archive.org, though you'll need a keyboard. Pong: https://archive.org/details/PLBMPongOut_1020

Gravity Well: https://archive.org/details/GravityWell_1020

Lunar Lander just in case: https://archive.org/details/msdos_Lunar_Landing_1995